EP0047386B1 - Process for eliminating acoustic interference signals - Google Patents

4 stars based on 79 reviews

Also, the invention relates to a vehicle with an inventive environment detection device. Skilled worker is aware that systems with a high quality require a relatively long time until an oscillation amplitude has dismantled after excitation. Binare optionen mit maximalem gewinning time that is necessary to break down the ideas is called decay.

Electro-acoustic transducer of sensors that are used both for transmitting and for subsequently receiving, require as short as possible decay, a measurement also in. In the figure 1 a, a vehicle 10 is shown having at least binare optionen mit maximalem gewinning sensor 20, which is covered by a thin ice covering 30th In the figure 1 b is shown a vehicle 10, the rear sensors 40 with a layer of.

The ice covering 30 in Figure 1 c extends only over a part of the diaphragm of the transducer of the sensor In the figure 1, a vehicle 10 is shown again d, the binare optionen mit maximalem gewinning right comprises a sensor 20, which is shielded by a snow curtain 40th Figure 1 e shows a. Side view of the vehicle 10 from the Figure 1 d, wherein the built in the bumper 25 and shielded with the snow curtain 40 at intervals of about 20 mm in front of the bumper sensor 20 is to recognize.

In the described sensors is preferred that they are subjected to a production binare optionen mit maximalem gewinning, and have a self-monitoring function for the investigation of the functionality of the measurement system formed by the sensors during operation. By means of the self-monitoring function, the sensors, especially in the presence of a decrease in the sensor output, or in case of damage, the secure example as binare optionen mit maximalem gewinning result of external disturbances, such attenuations can occur by a pad in a.

Operational state will be added. It is not only important to improve the sensor performance in the field of. So far, these aspects are only based binare optionen mit maximalem gewinning a measurement of the. Alternatively, these binare optionen mit maximalem gewinning could also be checked by means of a frequency measurement. For example, an attempt was made by means of a frequency measurement which occurred during the sensor binare optionen mit maximalem gewinning error in the decay by.

For this purpose, a system environment detecting device 50 is operated in accordance with Figure 2, wherein a frequency of measurement by means of an evaluation device is carried out 55th. Acoustic means 60 outputs. Frequency locations of the transducer 60 surrounding binare optionen mit maximalem gewinning frequency-determining component objects are often detected at a different distance through the sensor 75, in particular with a variation of the sensitivity threshold with this type of frequency measurement.

The experimental design was based on the assumption that solely from the vibration amplitude of the. Frequency Measurement good conclusions can be drawn on sensor characteristics, sufficiently. Undisturbed sinusoidal signals are represented by the represented as following equation 1 described: The main characteristics of filters for periodic signals the filter frequency f h, the bandwidth B, and the phase dependency. Signal amplitude A l, the strength of the vibration to the decrease in bandwidth B.

Filters that are independent of the phase of the signal to be tested to the phase position of the observing measurement system and therefore do not have a phase response are referred to as incoherent filter. The coherent filter, however, phase-dependent filters are called.

The smaller the bandwidth of the filter, the longer it takes, however, until the filter has settled. This phenomenon can also be described as blurring the frequency detection. In order to reliably detect a frequency by means of a filter is the time to wait until reaching the steady state of the filter, the usual way binare optionen mit maximalem gewinning more than one period.

A disadvantage of all frequency measurements that they require several periods until changes in the signal are detected. Related objects, or even curtains in front of the converter that are not heavily affect the resonance characteristics of the transducer binare optionen mit maximalem gewinning not be detected by means of a frequency measurement, since the echoes on the one hand are already during the Settle stop of the transducer to the transducer back and on the other hand, the signal at the.

Also, by pulse width modulation, which is known for example from document EP A2, a coating can in particular of ice or mud, which is for example 1 mm in front of the converter, will not always be sufficiently detected by a frequency measurement. In the document EP A2 describes a system and method are described which relate to the fact.

Ultrasonic pulses of different pulse width PWM and pulse strength to send binare optionen mit maximalem gewinning to monitor various distances from the sensor system partitions.

From document WO-A1 an intra-pulse analysis is known, which is used for detecting the surroundings. Here, acoustic AC signals are used, thus time-varying as a period consecutive. The intra-pulse analysis comprises the determination of a measurement sequence of period durations of a received acoustic signal, similar to a fingerprint in each case a characteristic of both the emitted transmitter pulse and for the transmission path to a.

Transmission scenario characteristic fingerprint, which is preferably represented by a sequence of reference periods, it can be detected on the receiver side which scenario was present in a received acoustic signal. Disclosure of the Invention. Object reflected acoustic signal is evaluated during at least a suitable fraction of a signal period such that changes in the binare optionen mit maximalem gewinning signal of the electric acoustic converter can be detected.

Performing the method according to the invention provided that comprises at least one electro-acoustic transducer, and comprising an evaluation device which is adapted to the time behavior of at least one continuous-time or by means of a scanning apparatus time-wise discretized electric signal of the electric acoustic converter during the. Electric cars and other vehicles such as cars, buses and lorries by means of the transmitted acoustic signals, wherein the timing of the signals on the particular transmitting, electro-acoustic converter is evaluated.

According to the invention a method and an environment detection device are provided, with the aid of changes in the waveform of. From the nature of the signal changes is achieved according to the state of the sensor, in particular of. Further, on the condition binare optionen mit maximalem gewinning the Sendesignaleinkopplungschaltung and. Reception signal extraction circuit and to which the functionality of the sensors impairs characteristics, such as in particular coverings front of the sensor, concluded.

The more characteristic signal characteristics are already known at the beginning of binare optionen mit maximalem gewinning estimate, the more quickly succeeds in determining the outstanding.

Signal characteristics by means of the inventive signal analysis in the time domain. In the inventive method, in particular the signal waveform of the electric signal of the electric acoustic converter is preferably discretized time-wise by means of a preferably equidistant scan after a zero crossing, and determines at least one characteristic parameter from the determined by means of the scanning signal strength values. Preferably, in the inventive method, at least a signal generated from a received, reflected on the object acoustic signal electric signal of the electric acoustic converter is amplified prior to the evaluation of its time behavior using a signal dependent on the duration of the received acoustic signal reinforcement.

In a particularly advantageous embodiment of the invention is a spatial arrangement of the objects in the vicinity of the movement aid, in particular of the vehicle, determined by means of the with respect to its time behavior of the evaluated electrical signal of the electro-acoustic transducer.

In a particularly preferred embodiment of the invention encompassed by the present invention environment detecting device evaluation device is adapted to provide the electrical signal of the electro-acoustic transducer of a determining device as an input signal, which binare optionen mit maximalem gewinning adapted to at least one characteristic signal characteristic of the electrical signal of the electrical-acoustic converter to determine or repeatedly determine.

The evaluation device according to the invention further comprises a. A further particularly preferred embodiment of the invention is based on waveform-dependent sampling of the signals. In particular, during transmission and during the Settle stop such a pretty trouble-prone per se is reliably applicable, as in these cases, the noise can be neglected in comparison with the signal strength.

In a particularly preferred embodiment of the invention the evaluation device according to the invention comprises a first capacitor which is oriented to filter out a DC component of the electrical signal of the electro-acoustic transducer and to provide the filtered electrical signal of the determining binare optionen mit maximalem gewinning as an input signal.

Since acoustic signals naturally have no DC voltage component is excluded the input side by means of the first capacitor, the DC component of the electrical signal of the electro-acoustic transducer in a simple manner. In a binare optionen mit maximalem gewinning simply realizable embodiment of the invention, the determination binare optionen mit maximalem gewinning of the invention comprises a first. Input signal converted into a first time-continuous binary signal and provide a subsequent time measurement means.

Specifically, the determination device comprises a differentiating element, which is adapted to delay the input signal in such a manner by means of a phase shift, that a change in level of a corresponding output signal of the.

Differentiating element if and only occurs when the input signal has a maximum or a minimum signal strength. Determining device a second threshold switch which is adapted to the level change of the output signal and thereby the. The time measuring means is adapted to control the times of occurrence of level change of the input signal and thereby the timing of occurrence of the zero crossings of the. The times thus obtained from the waveform in particular be used to obtain characteristic parameters such as particular binare optionen mit maximalem gewinning of the signal strength.

In another easy to implement and thus particularly advantageous embodiment of the invention, the determining means comprises a first switch which is switchable by means of the second threshold switch, or by means of a controlled by the second threshold switch monoflop from a first switching position in a second switching position.

Further, the switch is aligned to pass in its first switching position, the input signal a second capacitor and in the presence of the identified by means of the second threshold switch points in time. Input signal to switch to his second change. Further, the second capacitor is aligned to its stored instantaneous voltage across the first switched to its second changeover switch and, via a first means of the threshold switch in response to the level position of the input signal switchable second changeover switch to a first memory for the minimum signal strength of the input signal or a second memory for to binare optionen mit maximalem gewinning the maximum signal strength of the input signal accordingly, depending on the present level position of the input signal.

Furthermore, a vehicle with an inventive environment detecting device is provided according to the invention. Exemplary embodiments of the invention with reference to the accompanying drawings are described in detail.

Ultrasonic sensor according to the prior art, wherein the sensors is covered by ice or snow. Sampling the sampled sinusoidal signal, together with the respective sampling points according to a first embodiment, Figure 5 is a schematic block diagram of a.

Environment detecting device according to a second waveform-dependent scanning-based. As to already mentioned, undisturbed sinusoidal signals can be described by the equation This is apparent from the equations 2 and Equation 4 to apply: The largest gradient is well known in the zero point at zero-mean sinusoidal signals.

Period for the determination of all sizes by the above-mentioned method is required. The larger an additive fault or additive noise, the longer the influence of the noise must have certain characteristics are suppressed by averaging over multiple times in a plurality of consecutive signal periods. The extraction of these characteristics of a signal can binare optionen mit maximalem gewinning to the invention preferably by means of at least one waveform independent particular temporally equidistant sampling can be realized.

Alternatively, these features of a signal may also be accordance with the invention by means of waveform-dependent sampling or by means of a hybrid of waveform-dependent and. In the figure 4, the sampling of a signal r r are shown, which is sampled according to a predominantly-based waveform independent temporally equidistant binare optionen mit maximalem gewinning method, after a first. After rearranging the binare optionen mit maximalem gewinning 5 yields the equations 7 and 8: After insertion of the equations 7 and 8 in the equation 6 results in the expression of which is explained Am litude A l, by the equation In the following, the relation 10 is used: After insertion of the relation 10 in the equation 9the equation 1: After forming the equation 1: From equation 12 gives the expression for the amplitude A l, which is represented by the relation The thus obtained extracts from the waveform are preferred according to the invention.

Figure 5, however, shows a schematic block diagram of a. By means of the environment sensing device 51 shown in Figure 5 can, the inventive method for the rapid evaluation of signals in the. The environment detection device according to the invention 51 according to the first embodiment of the invention binare optionen mit maximalem gewinning an electro-acoustic converter 60 and an evaluation device 56, which is adapted to provide the electrical signal r r of the electro-acoustic transducer 60 of a determination device 57 as an input signal.

The determining device 57 is adapted to determine or characteristic signal characteristics of the electric signal of the electric acoustic converter 60 repeats to determine. Post-processing means utilization means provide 59th The evaluation device 58 is at least one output connected to an input of the subsequent post-processing device user device electrically connected 59th.

Since acoustic signals naturally binare optionen mit maximalem gewinning no DC voltage component of the evaluation device 56 comprised series capacitor 90 of the DC component of the signal r r of the electric-acoustic transducer 60 is input side by means of a first excluded. The first capacitor 90 is connected between the output of the electro-acoustic converter 60 and an input of.

The skilled worker is aware that in addition to the usual form of. DC suppression are also not separately shown here forms the DC suppression, as well as there are also methods, be suitably evaluated by means of which the DC binare optionen mit maximalem gewinning signals. Binare optionen mit maximalem gewinning such methods, for example, in the equations 2 and 3 are used specified relations.

The determining device 57 includes a first threshold value switch change of level having its input connected to the input.

Forex usd vs inr

  • Forex 2325 dubai

    Binary options demo account australia flag

  • Straddle option strategies

    Binary options breaker system safe and legal

What are binary options investopedia

  • Day trading option trading

    Best stocks for binary option trading platforms uk

  • Tf2 guide to trading options

    Binary options trading system dubai

  • Trading binary options practice software

    Td ameritrade brokerage transfer

Puedo cambiar opciones en una cuenta de irapua

21 comments Binare optionen mit maximalem gewinning

Top binary option trading dubai

Umwelt-Parametern eines integrierten Schaltungs-Chips im Betriebszustand. The present invention relates to the field of integrated circuits and more specifically the detection of variations or changes of ambient or environmental parameters of an integrated circuit chip in the operating state.

The systems for monitoring associated with the environment of an integrated circuit variables, such as temperature, supply voltage, etc.

Beispielsweise kann es sich darum handeln, eventuelle Piraterie an in der integrierten Schaltung enthaltenen Daten zu detektieren. For example, it may be a question of detecting any piracy contained in the integrated circuit data. Diese letztgenannte Anwendung betrifft insbesondere Chip-Karten.

This latter application is particularly chip cards. Another application example of systems for monitoring an environment variable of an integrated circuit is the authorization, that authorization and approval of the establishment of such a circuit relatively with respect to a region, such as temperatures.

In general, the monitoring elements of a certain given variables are assigned. For example, using a threshold voltage for detecting any temperature changes or fluctuations, and in an analogous manner to interpret the results of the measurement to determine a possible violation of the external environment of the chip.

A disadvantage is then that you must multiply with the number of variables or parameters to be monitored, the number of detection circuits. Another disadvantage is that the result which is obtained with an analog measurement, a conversion requires to be interpreted by a digital system is provided with the generally, the integrated circuit chip, to the consequences of possible infringement to make a decision. Another disadvantage is that a variation or change of the ambient parameter can take place without a violation of the chip is present.

For example, the external temperature conditions can change in a significant way by several tens of degrees. It would be desirable to be able to distinguish a linked with an injury from a change associated with a normal change in operating conditions change. Schwankungen wenigstens eines Umgebungs- bzw. The present invention seeks to provide a new method for the detection of changes or fluctuations of at least one ambient or environmental parameter of an integrated circuit, which avoids the disadvantages of the known solutions.

The invention particularly aims at providing a solution containing one and the same circuit, the monitoring of several ambient parameter of the integrated circuit allows using. Die Erfindung bezweckt auch die Detektion eines Abstands bzw.

The invention also aims at the detection of a distance or a difference of the ambient parameters relatively with respect to a reference or reference value.

The invention further aims at enabling an automatic adjustment of the detection system to the normal environment changes or fluctuations. Umwelt-Parameters einer integrierten Schaltung, wobei das Verfahren umfasst: To achieve these objectives, the present invention provides a method for detecting changes of at least one ambient or environmental parameter of an integrated circuit, the method comprising: Fortpflanzung einer Signalfront bzw.

According to one embodiment of the present invention it is provided that one compares the respective current or current delay relative with respect to a single reference or reference value. Variationsbereich vorzugsweise vorbestimmt ist. According to one embodiment of the present invention, it is provided that controls the amount of a programmable delay element or regulates in dependence on the distance between the respective current, the current delay and the reference or reference value, wherein the possible change or variation range of preferably predetermined is.

According to one embodiment of the present invention, that one compares the distance with respect to said relatively two predetermined threshold values. According to one embodiment of the present invention, it is provided that a gene at the time of reading of tilt or flip-flop Circuits whose respective inputs are connected to the output of the delay elements is synchronized to obtain a binary word, the current, an evaluation of the respective represents or current Ausreitungs- or propagation delay.

Die vorliegende Erfindung sieht auch eine integrierte Schaltung vor, welche umfasst: The present invention also provides an integrated circuit comprising: According to one embodiment of the present invention, it is provided that the delay elements being arranged in a parallel circuit and whose common input terminal is connected to the output of a programmable delay element, of which one input terminal is an input terminal of the detection circuit. According to one embodiment of the present invention is provided that said comparator provides a configuration word to configure the programmable delay apparatus on the basis of a comparison of the respective current or current word relative to a reference or reference value.

According to one embodiment of the present invention it is provided that the circuit comprises means for setting a variation range of the programmable delay apparatus. According to one embodiment of the present invention, it is provided that the delay elements being arranged in series. According to one embodiment of the present invention it is provided that the circuit further comprises a delay element having a mean or average delay between a terminal for applying a signal for triggering or triggering of reading and the respective clock inputs of the different tilting or flip-flop circuits is arranged.

In den Zeichnungsfiguren sind gleiche Elemente in den verschiedenen Figuren mit denselben Bezugsziffern bezeichnet. In the drawing figures, like elements in the various figures with the same reference numerals. For the sake of clarity, only the information necessary for the understanding of the invention have been illustrated in the drawings and will be described in the following.

In particular, is the exploitation of the detection results, to prevent access to the data, or for any other use within the skill of the art. Schwankungen der Umgebung der integrierten Schaltung empfindlich sind. A characteristic of the present invention is the removal and recovery of a delay of the propagation of an electrical signal in delay elements which are individually sensitive to changes or fluctuations in the environment of the integrated circuit.

Die Erfindung macht sich die Tatsache zunutze, dass zahlreiche Umgebungs- bzw. Umwelt-Parameter einer integrierten Schaltung, dh Parameter, die nicht direkt mit dem inneren Aufbau der Schaltung verbunden sind, wie beispielsweise die Temperatur oder die Versorgungs- bzw. The invention makes use of the fact that numerous ambient or environmental parameters of an integrated circuit, that is, parameters that are not directly connected to the inner structure of the circuit, such as the temperature or the supply or supply voltage of the circuit, when they change or fluctuate, can modify the propagation delays of a signal along an electric path.

Schwankungen eines oder mehrerer Umgebungs- bzw. Thus, the invention this property for the detection of changes or variations of one or more ambient or environmental parameter s of the integrated circuit, in particular relatively with respect to use an operating value, without it being necessary to measure this or these parameters directly. Die Schaltung the circuit 1 1 wird mit wenigstens einer Versorgungs- bzw. Speisespannung V versorgt, die beispielsweise von einem Generator is supplied with at least one supply or supply voltage V, for example, by a generator 3 3 geliefert wird.

Ein anderer in Another in 1 1 veranschaulichter Umgebungs-Parameter ist die Temperatur T, welcher die Schaltung -illustrated ambient parameter is the temperature T, which the circuit 1 1 ausgesetzt ist.

This temperature T may be due to internal heating of the circuit as a result of its operation or from an external source. In all cases, this is according to the invention also has an ambient or environmental parameters. Other ambient parameters can influence the propagation time of a signal. This is, for example, the stability of the supply voltage, moisture, radiation, etc. Die Schaltung the circuit 21 21 zur Messung der Ausbreitungs- bzw.

Flip-Flops The respective corresponding outputs for example, the direct Q-outputs of latches or flip-flops liefern direkt n Bits B1, Beispielsweise werden die Bits des Worts in ein Register For example, the bits of the word are in a register oder ein beliebiges anderweitiges Element zur analogen zeitweiligen Speicherung eingeschrieben. Their respective input terminals are thus connected.

Die Schaltung the circuit 25 25 oder ,einstellbare bzw. Which add an identical delay for all paths. Ausbreitung in den elektrischen Pfaden applied data about the average for the reproduction or distribution in the electrical paths erforderliche Zeit. Als Abwandlungsalternative kann die nicht dargestellte Schaltung zur Erzeugung der Messfront bzw. As Abwandlungsalternative can not shown circuit for generating the measuring front or -stirnflanke the clock signal of the flip-flop with a delay out.

Legt man an den Eingangsanschluss you put to the input terminal 24 24 eine Signalfront bzw. Vorderflanke an dem Eingang D der entsprechenden Kipp- bzw. All paths which produce a delay less than the delay Cav, deliver a bit having the state 1 ', inasmuch as the front or leading edge at the input D of the corresponding tilt or flip-flop prior to the expiration of the delay Cav arrives.

The eventual change or variation of the delay of different paths provides an indirect indication of the deviation of the external environment of the integrated circuit, whether it is the temperature or the supply voltage.

For example, it may be oxide capacity or metal resistors. Mind, the delay elements can also be applied in other forms, provided that they are sensitive to the ambient parameters which are to be measured for the circuit. Furthermore, the choice of the variation range introduced by the different elements delays on the particular application and the desired sensitivity depends. Flip-Flop-Schaltungen contributed delays are preferably increasing-increasing or decreasing by the weight of corresponding bits in the tilt or flip-flop circuits gelieferten Wort.

Der Abstand zwischen den jeweiligen Wertigkeiten der ersten Bits mit dem Zustand 0 bzw. The distance between the respective valences of the first bit to the 0 state or the state 1 of the measured word and the reference word then forms an indication of the amplitude of the change or fluctuation of the ambient parameters.

This display can be used, for example, to calculate the rate of change of ambient parameters by means of successive measurements.

It is then a relatively slow, with the normal changes in operating conditions for example, a static change in the supply voltage associated change differ from one abrupt change for example, a dynamic instability of the supply voltage , which is connected to an attempt to gain unauthorized access to data of the chip ,. According to the preferred embodiment of the invention is then characterized the circuit under operating conditions corresponding to extremely high and extremely low conditions.

Again with reference to the case of play of temperature and supply voltage, the resulting binary word in windows, which go from the minimum voltage VCC min to the maximum voltage VCC max and the minimum temperature TMIN to the maximum temperature TMAX in accordance with the, specification 'of the circuit is measured by the Manufacturers guaranteed operation range.

Der Abstand zwischen den beiden Werten entspricht dem autorisierten Bereich. Justierbereich zu definieren, um die an den Anschluss For example by means of a series of programmable switches to define a possible adjustment or adjustment region to the connection to the 24 24 angelegte Front bzw.

Stirnflanke zu verlangsamen oder zu beschleunigen. Die so erhaltene Einstell- bzw. Set back in terms and conditions. An advantage of the invention is that it provides a circuit for monitoring a global ensembles, or a group of environment variables of the integrated circuit. Certainly, one can not only determine with this circuit, whether the change by the one or the other of the parameter is determined.

However, the inventors have found that it is usually important to detect a deviation relative with respect to the authorized operating region of any of the parameters. Ein anderer Vorteil der Erfindung ist, dass die Schaltung unschwer in einen Schaltungs-Chip, insbesondere einen vom Chipkartentyp, integrierbar ist.

Another advantage of the invention that the circuit easily in a circuit chip, in particular a chip card is of the type integrated. In diesem Beispiel findet eine Mehrzahl von Tor- bzw. Gatterschaltungen In this example, finds a plurality of gate or gate circuits Anwendung, die in Reihe zwischen dem Eingangsanschluss Application, in series between the input terminal 24 24 der Schaltung the circuit 25 25 und ihrem Ausgangsanschluss and its output terminal liegen.

Gatterschaltungen The gate and gate circuits sind beispielsweise einfache nicht-invertierende Elemente vom Puffertyp. Programming word delivered supplied. The respective amounts and sizes of the capacitors C are different, depending on the valency of the bits in the binary word.

Das Programmierwort kann in verschiedenen Weisen erhalten werden. The programming word can be obtained in different ways. Man kann auch komplexere Mittel verwenden, beispielsweise Informatikmittel zur Vornahme der speziellen Anpassungen. One can also use more sophisticated means such as computer science means for providing the specific adaptations. Jedes Bit dieses Worts steuert jeweils eine Stufe Each bit of this word controls a respective stage der Schaltung the circuit 25' 25 '.

Die Transistoren P1 und P2 liegen in Reihe zwischen dem Anschluss The transistors P1 and P2 are connected in series between the terminal und dem Ausgangsanschluss and the output terminal der Schaltung the circuit 25' 25 '. Ein zweiter N-Kanal-Transistor N2 hat sein Gate mit dem Eingangsanschluss A second N-channel transistor N2 has its gate connected to the input terminal 24 24 verbunden.