CN107561328A - The signal data generation method and device of a kind of analog hardware - Google Patents
The signal data generation method and device of a kind of analog hardware Download PDFInfo
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- CN107561328A CN107561328A CN201710726579.3A CN201710726579A CN107561328A CN 107561328 A CN107561328 A CN 107561328A CN 201710726579 A CN201710726579 A CN 201710726579A CN 107561328 A CN107561328 A CN 107561328A
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Abstract
The disclosure is directed to the signal data generation method and device of a kind of analog hardware.This method includes：Obtain signal parameter, signal source parameter, data wire parameter and the hardware parameter for treating analog hardware；The noise figure of signal data is calculated according to the signal parameter, signal source parameter, data wire parameter and the hardware parameter；The signal data is generated according to the signal parameter and the noise figure.The technical scheme by software analog hardware signal source, can directly on PC and oscillograph independent operating, flexibly change signal characteristic by inputting different parameters, reduce hardware purchase cost.Simpler easy-to-use, workable, Parameter adjustable scope is big, will not be because of parameter setting not to causing the damage of hardware.
Description
Technical field
This disclosure relates to technical field of data processing, more particularly to the signal data generation method and device of analog hardware.
Background technology
At present, for the data acquisition of signal, generally by the physical signalling source of hardware, it is necessary to collection in oscillograph
Card is connected to signal source via data wire, after signal source is opened, is acquired signal data by capture card, then be sent to oscillograph
Calculated in processing software.But waveform generator on the market belongs to hardware device, volume is larger, and price is high, it has not been convenient to
It is mobile, and need hardware capture card to be acquired its caused signal, signal data can not be directly taken, in addition, collection
The unstability of card can influence the signal quality collected.
The content of the invention
The embodiment of the present disclosure provides a kind of the signal data generation method and device of analog hardware.The technical scheme is such as
Under：
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of signal data generation method of analog hardware, including：
Obtain signal parameter, signal source parameter, data wire parameter and the hardware parameter for treating analog hardware；
Making an uproar for signal data is calculated according to the signal parameter, signal source parameter, data wire parameter and the hardware parameter
Sound value；
The signal data is generated according to the signal parameter and the noise figure.
Optionally, the signal parameter includes：Signal frequency, sample rate and peak-to-peak value；
The signal source parameter includes：Signal source power；
The data wire parameter includes：Data line length, transmission rate, impedance；
The hardware parameter includes the operating voltage for treating analog hardware.
Optionally, signal number is calculated according to the signal parameter, signal source parameter, data wire parameter and the hardware parameter
According to noise figure, including：
The signal parameter, signal source parameter, data wire parameter and the hardware parameter are normalized, obtained
The normalized parameter value of parameters；
Obtain the signal parameter, signal source parameter, data wire parameter and weighted value corresponding to the hardware parameter；
It is weighted according to the normalized parameter value of parameters and its corresponding weighted value, obtains the signal number
According to noise figure.
Optionally, when it is sinusoidal signal to set the signal, institute is generated according to the signal parameter and the noise figure
Signal data is stated, including：
The time value according to corresponding to initial time and the sample rate determine the sinusoidal signal each sampled point,
Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsTable
Show sample rate；
The magnitude of voltage according to corresponding to the signal parameter and the noise figure determine the sinusoidal signal each sampled point,
yi=sin (xi×f×2π)×Vp+Vn, wherein, yiRepresent ith sample point corresponding to magnitude of voltage, f represent described in
Signal frequency, VpRepresent the peak-to-peak value, VnRepresent the noise figure；
The signal data of the sinusoidal signal is generated according to time value corresponding to each sampled point and magnitude of voltage.
Optionally,
When it is serial signal to set the signal, the signal parameter also includes：Square wave rising and falling time and
For indicating whether to produce the mark of random square-wave signal；
The signal data is generated according to the signal parameter and the noise figure, including：
Determine to be in high level and low level sampled point according to the mark；
The sampled point in rising edge and trailing edge is determined according to the square wave rising and falling time；
The time value according to corresponding to initial time and the sample rate determine the sinusoidal signal each sampled point,
Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsTable
Show sample rate；
According to corresponding to the signal parameter and the noise figure calculating serial signal are in the sampled point of rising edge
Magnitude of voltage,
Wherein, yiRepresent voltage corresponding to ith sample point
Value, N represent the total number of sampled point, VpRepresent the peak-to-peak value, VnRepresent the noise figure；
The serial signal is in magnitude of voltage corresponding to the sampled point of trailing edge,
The serial signal is in magnitude of voltage corresponding to the sampled point of high level, yi=Vp+Vn；
The serial signal is in magnitude of voltage, y corresponding to low level sampled pointi=Vn；
The signal data of the serial signal is generated according to time value corresponding to each sampled point and magnitude of voltage.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of signal data generating means of analog hardware, including：
Acquisition module, for obtaining signal parameter, signal source parameter, data wire parameter and the hardware ginseng for treating analog hardware
Number；
Noise calculation module, for according to the signal parameter, signal source parameter, data wire parameter and the hardware parameter
Calculate the noise figure of signal data；
Generation module, for generating the signal data according to the signal parameter and the noise figure.
Optionally, the signal parameter includes：Signal frequency, sample rate and peak-to-peak value；
The signal source parameter includes：Signal source power；
The data wire parameter includes：Data line length, transmission rate, impedance；
The hardware parameter includes the operating voltage for treating analog hardware；
The noise calculation module includes：
Normalized submodule, for joining to the signal parameter, signal source parameter, data wire parameter and the hardware
Number is normalized, and obtains the normalized parameter value of parameters；
Acquisition submodule, for obtaining the signal parameter, signal source parameter, data wire parameter and the hardware parameter pair
The weighted value answered；
Weighted calculation submodule, it is weighted for the normalized parameter value according to parameters and its corresponding weighted value
Calculate, obtain the noise figure of the signal data.
Optionally, the generation module includes：
Time determination sub-module, for when the signal obtained from the signal source is sinusoidal signal, according to initial time
And the sample rate determines time value corresponding to each sampled point of the sinusoidal signal,
Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsTable
Show sample rate；
Voltage determination sub-module, adopted for determining that the sinusoidal signal is each according to the signal parameter and the noise figure
Magnitude of voltage corresponding to sampling point,
yi=sin (xi×f×2π)×Vp+Vn, wherein, yiRepresent ith sample point corresponding to magnitude of voltage, f represent described in
Signal frequency, VpRepresent the peak-to-peak value, VnRepresent the noise figure；
Data generate submodule, and the sine is generated for the time value according to corresponding to each sampled point and magnitude of voltage
The signal data of signal.
Optionally, when it is serial signal to set the signal, the signal parameter also includes：During square wave raising and lowering
Between and the mark for indicating whether to produce random square-wave signal；The generation module includes：
Sampled point determination sub-module, for determining to be in high level and low level sampled point according to the mark；According to
The square wave rising and falling time determines the sampled point in rising edge and trailing edge；
Time determination sub-module, for determining each sampled point of the sinusoidal signal according to initial time and the sample rate
Corresponding time value,
Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsTable
Show sample rate；
Voltage determination sub-module, it is in for calculating the serial signal according to the signal parameter and the noise figure
Magnitude of voltage corresponding to the sampled point on edge is risen,
Wherein, yiRepresent voltage corresponding to ith sample point
Value, N represent the total number of sampled point, VpRepresent the peak-to-peak value, VnRepresent the noise figure；
The serial signal is in magnitude of voltage corresponding to trailing edge sampled point,
The serial signal is in magnitude of voltage corresponding to the sampled point of high level, yi=Vp+Vn；
The serial signal is in magnitude of voltage, y corresponding to low level sampled pointi=Vn；
Data generate submodule, described serial for the time value according to corresponding to each sampled point and magnitude of voltage generation
The signal data of signal.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of signal data generating means of analog hardware, including：
Processor；
For storing the memory of processor-executable instruction；
Wherein, processor is configured as：
Obtain signal parameter, signal source parameter, data wire parameter and the hardware parameter for treating analog hardware；
Making an uproar for signal data is calculated according to the signal parameter, signal source parameter, data wire parameter and the hardware parameter
Sound value；
The signal data is generated according to the signal parameter and the noise figure.
The technical scheme provided by this disclosed embodiment can include the following benefits：
In the present embodiment, by software analog hardware signal source, can directly on PC and oscillograph independent operating, pass through
Input different parameters flexibly change signal characteristic, reduce hardware purchase cost.Simpler easy-to-use, workable, parameter can
Adjust scope big, will not be because of parameter setting not to causing the damage of hardware.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 is a kind of flow chart of the signal data generation method of analog hardware according to an exemplary embodiment.
Fig. 2 is a kind of flow of the signal data generation method of analog hardware according to another exemplary embodiment
Figure.
Fig. 3 is a kind of block diagram of the signal data generating means of analog hardware according to an exemplary embodiment.
Fig. 4 is the block diagram of the noise calculation module according to an exemplary embodiment.
Fig. 5 is the block diagram of the generation module according to an exemplary embodiment.
Fig. 6 is the block diagram of the generation module according to another exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of the signal data generation method of analog hardware according to an exemplary embodiment,
As shown in figure 1, the signal data generation method of the analog hardware comprises the following steps：
Step S11, obtain signal parameter, signal source parameter, data wire parameter and the hardware parameter for treating analog hardware；
Step S12, making an uproar for signal data is calculated according to signal parameter, signal source parameter, data wire parameter and hardware parameter
Sound value；
Step S13, signal data is generated according to signal parameter and noise figure.
In the present embodiment, by software analog hardware signal source, can directly on PC and oscillograph independent operating, pass through
Input different parameters flexibly change signal characteristic, reduce hardware purchase cost.It is simpler by pure software alternative hardware equipment
Easy-to-use, workable, Parameter adjustable scope is big, will not be because of parameter setting not to causing the damage of hardware.
Optionally, signal parameter includes：Signal frequency, sample rate and peak-to-peak value；
Signal source parameter includes：Signal source power；
Data wire parameter includes：Data line length, transmission rate, impedance；
Hardware parameter includes treating the operating voltage of analog hardware.
Fig. 2 is a kind of flow of the signal data generation method of analog hardware according to another exemplary embodiment
Figure, as shown in Fig. 2 above-mentioned steps S12 includes：
Step S21, signal parameter, signal source parameter, data wire parameter and hardware parameter are normalized, obtained
The normalized parameter value of parameters；
Step S22, obtain signal parameter, signal source parameter, data wire parameter and weighted value corresponding to hardware parameter；
Step S23, it is weighted according to the normalized parameter value of parameters and its corresponding weighted value, obtains letter
The noise figure of number.
In the present embodiment, by analyzing the issuable noise of hardware, obtained by adding analysis in the signal
Noise figure, further increase the accuracy of software analog hardware signal source.
When setting signal is sinusoidal signal, above-mentioned steps S12 includes：
Step A1, the time value according to corresponding to initial time and sample rate determine sinusoidal signal each sampled point,
Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsTable
Show sample rate；
Step A2, the magnitude of voltage according to corresponding to signal parameter and noise figure determine sinusoidal signal each sampled point,
yi=sin (xi×f×2π)×Vp+Vn, wherein, yiRepresent ith sample point corresponding to magnitude of voltage, f represent described in
Signal frequency, VpRepresent the peak-to-peak value, VnRepresent the noise figure；
Step A3, according to the signal data of time value corresponding to each sampled point and magnitude of voltage generation sinusoidal signal.
When setting signal is serial signal, signal parameter also includes：Square wave rising and falling time.Serial signal is main
The excessively namely rising edge and trailing edge being characterized as between low and high level, and low and high level, therefore from the starting point of time value
Have four kinds of situations
Low level is to low level；
Low level reaches high level by a rising edge；
High point puts down high level；
High level reaches low level by a trailing edge.
The Rise Time of Square Wave being set by the user draws the specific time of edge and platform.Again by the time, frequency, sample rate,
Go out the point of square wave.The last and time, which is overlapped, draws last all square-wave signals.
Above-mentioned steps S12 includes：
Step B1, determine to be in high level and low level sampled point according to the mark；According to square wave raising and lowering
Time determines the sampled point in rising edge and trailing edge；
Step B2, the time value according to corresponding to initial time and sample rate determine sinusoidal signal each sampled point,
Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsTable
Show sample rate；
Step B3, the voltage according to corresponding to signal parameter and noise figure calculating serial signal are in the sampled point of rising edge
Value,
Wherein, yiRepresent voltage corresponding to ith sample point
Value, N represent the total number of sampled point, VpRepresent peak-to-peak value, VnRepresent noise figure；
Serial signal is in magnitude of voltage corresponding to the sampled point of trailing edge,
The serial signal is in magnitude of voltage corresponding to the sampled point of high level, yi=Vp+Vn；
The serial signal is in magnitude of voltage, y corresponding to low level sampled pointi=Vn；
Step B4, according to time value corresponding to each sampled point and the signal data of magnitude of voltage generation serial signal.
Following is embodiment of the present disclosure, can be used for performing embodiments of the present disclosure.
Fig. 3 is a kind of block diagram of the signal data generating means of analog hardware according to an exemplary embodiment, should
Device can be implemented in combination with as some or all of of electronic equipment by software, hardware or both.As shown in figure 3,
The signal data generating means of the analog hardware include：
Acquisition module 31, for obtaining signal parameter, signal source parameter, data wire parameter and the hardware ginseng for treating analog hardware
Number；
Noise calculation module 32, believe for being calculated according to signal parameter, signal source parameter, data wire parameter and hardware parameter
The noise figure of number；
Generation module 33, for generating signal data according to signal parameter and noise figure.
Optionally, signal parameter includes：Signal frequency, sample rate and peak-to-peak value；
Signal source parameter includes：Signal source power；
Data wire parameter includes：Data line length, transmission rate, impedance；
Hardware parameter includes treating the operating voltage of analog hardware；
Fig. 4 is the block diagram of the noise calculation module according to an exemplary embodiment, as shown in figure 4, noise calculation mould
Block 32 includes：
Normalized submodule 41, for being carried out to signal parameter, signal source parameter, data wire parameter and hardware parameter
Normalized, obtain the normalized parameter value of parameters；
Acquisition submodule 42, for obtaining power corresponding to signal parameter, signal source parameter, data wire parameter and hardware parameter
Weight values；
Weighted calculation submodule 43, added for the normalized parameter value according to parameters and its corresponding weighted value
Power calculates, and obtains the noise figure of signal data.
Fig. 5 is the block diagram of the generation module according to an exemplary embodiment, as shown in figure 5, generation module 33 includes：
Time determination sub-module 51, for when setting signal is sinusoidal signal, being determined according to initial time and sample rate
Time value corresponding to each sampled point of sinusoidal signal,
Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsTable
Show sample rate；
Voltage determination sub-module 52, corresponding to determining each sampled point of sinusoidal signal according to signal parameter and noise figure
Magnitude of voltage,
yi=sin (xi×f×2π)×Vp+Vn, wherein, yiRepresent ith sample point corresponding to magnitude of voltage, f represent described in
Signal frequency, VpRepresent the peak-to-peak value, VnRepresent the noise figure；
Data generate submodule 53, and sinusoidal signal is generated for the time value according to corresponding to each sampled point and magnitude of voltage
Signal data.
Fig. 6 is the block diagram of the generation module according to another exemplary embodiment, as shown in fig. 6,
When setting signal is serial signal, signal parameter also includes：Square wave rising and falling time and for representing
Whether the mark of random square-wave signal is produced；Generation module 33 includes：
Sampled point determination sub-module 61, for determining to be in high level and low level sampled point according to the mark；Root
The sampled point in rising edge and trailing edge is determined according to square wave rising and falling time；
Time determination sub-module 62, corresponding to determining each sampled point of sinusoidal signal according to initial time and sample rate
Time value,
Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsTable
Show sample rate；
Voltage determination sub-module 63, rising edge and decline are in for calculating serial signal according to signal parameter and noise figure
Magnitude of voltage corresponding to the sampled point on edge,
Wherein, yiRepresent voltage corresponding to ith sample point
Value, N represent the total number of sampled point, VpRepresent peak-to-peak value, VnRepresent noise figure；
Serial signal is in magnitude of voltage corresponding to high level and low level sampled point,
The serial signal is in magnitude of voltage corresponding to the sampled point of high level, yi=Vp+Vn；
The serial signal is in magnitude of voltage, y corresponding to low level sampled pointi=Vn；
Data generate submodule 64, and serial signal is generated for the time value according to corresponding to each sampled point and magnitude of voltage
Signal data.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of signal data generating means of analog hardware, including：
Processor；
For storing the memory of processor-executable instruction；
Wherein, processor is configured as：
Obtain signal parameter, signal source parameter, data wire parameter and the hardware parameter for treating analog hardware；
The noise figure of signal data is calculated according to signal parameter, signal source parameter, data wire parameter and hardware parameter；
According to signal parameter and noise figure generation signal data.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledges in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (10)
- A kind of 1. signal data generation method of analog hardware, it is characterised in that including：Obtain signal parameter, signal source parameter, data wire parameter and the hardware parameter for treating analog hardware；The noise figure of signal data is calculated according to the signal parameter, signal source parameter, data wire parameter and the hardware parameter；The signal data is generated according to the signal parameter and the noise figure.
- 2. according to the method for claim 1, it is characterised in that the signal parameter includes：Signal frequency, sample rate and peak Peak value；The signal source parameter includes：Signal source power；The data wire parameter includes：Data line length, transmission rate, impedance；The hardware parameter includes the operating voltage for treating analog hardware.
- 3. according to the method for claim 2, it is characterised in that joined according to the signal parameter, signal source parameter, data wire Several and described hardware parameter calculates the noise figure of signal data, including：The signal parameter, signal source parameter, data wire parameter and the hardware parameter are normalized, obtained each The normalized parameter value of parameter；Obtain the signal parameter, signal source parameter, data wire parameter and weighted value corresponding to the hardware parameter；It is weighted according to the normalized parameter value of parameters and its corresponding weighted value, obtains the signal data Noise figure.
- 4. according to the method for claim 3, it is characterised in that when it is sinusoidal signal to set the signal, according to described Signal parameter and the noise figure generate the signal data, including：The time value according to corresponding to initial time and the sample rate determine the sinusoidal signal each sampled point,Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsExpression is adopted Sample rate；The magnitude of voltage according to corresponding to the signal parameter and the noise figure determine the sinusoidal signal each sampled point,yi=sin (xi×f×2π)×Vp+Vn, wherein, yiMagnitude of voltage corresponding to ith sample point is represented, f represents the signal Frequency, VpRepresent the peak-to-peak value, VnRepresent the noise figure；The signal data of the sinusoidal signal is generated according to time value corresponding to each sampled point and magnitude of voltage.
- 5. according to the method for claim 3, it is characterised in that when it is serial signal to set the signal, the signal Parameter also includes：Square wave rising and falling time and the mark for indicating whether to produce random square-wave signal；The signal data is generated according to the signal parameter and the noise figure, including：Determine to be in high level and low level sampled point according to the mark；The sampled point in rising edge and trailing edge is determined according to the square wave rising and falling time；The time value according to corresponding to initial time and the sample rate determine the sinusoidal signal each sampled point,Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsExpression is adopted Sample rate；The voltage according to corresponding to the signal parameter and the noise figure calculating serial signal are in the sampled point of rising edge Value,Wherein, yiRepresent magnitude of voltage corresponding to ith sample point, N tables Show the total number of sampled point, VpRepresent the peak-to-peak value, VnRepresent the noise figure；The serial signal is in magnitude of voltage corresponding to the sampled point of trailing edge,<mrow> <msub> <mi>y</mi> <mi>i</mi> </msub> <mo>=</mo> <mfrac> <mrow> <mi>s</mi> <mi>i</mi> <mi>n</mi> <mrow> <mo>(</mo> <mo>(</mo> <mrow> <mfrac> <mi>i</mi> <mi>N</mi> </mfrac> <mo>+</mo> <mn>0.5</mn> </mrow> <mo>)</mo> <mo>&times;</mo> <mi>&pi;</mi> <mo>+</mo> <mn>1</mn> <mo>)</mo> </mrow> </mrow> <mn>2</mn> </mfrac> <mo>&times;</mo> <msub> <mi>V</mi> <mi>p</mi> </msub> <mo>+</mo> <msub> <mi>V</mi> <mi>n</mi> </msub> <mo>;</mo> </mrow>The serial signal is in magnitude of voltage corresponding to the sampled point of high level, yi=Vp+Vn；The serial signal is in magnitude of voltage, y corresponding to low level sampled pointi=Vn；The signal data of the serial signal is generated according to time value corresponding to each sampled point and magnitude of voltage.
- A kind of 6. signal data generating means of analog hardware, it is characterised in that including：Acquisition module, for obtaining signal parameter, signal source parameter, data wire parameter and the hardware parameter for treating analog hardware；Noise calculation module, for being calculated according to the signal parameter, signal source parameter, data wire parameter and the hardware parameter The noise figure of signal data；Generation module, for generating the signal data according to the signal parameter and the noise figure.
- 7. device according to claim 6, it is characterised in that the signal parameter includes：Signal frequency, sample rate and peak Peak value；The signal source parameter includes：Signal source power；The data wire parameter includes：Data line length, transmission rate, impedance；The hardware parameter includes the operating voltage for treating analog hardware；The noise calculation module includes：Normalized submodule, for entering to the signal parameter, signal source parameter, data wire parameter and the hardware parameter Row normalized, obtain the normalized parameter value of parameters；Acquisition submodule, for obtaining corresponding to the signal parameter, signal source parameter, data wire parameter and the hardware parameter Weighted value；Weighted calculation submodule, be weighted by the normalized parameter value according to parameters and its corresponding weighted value based on Calculate, obtain the noise figure of the signal data.
- 8. device according to claim 7, it is characterised in that the generation module includes：Time determination sub-module, for when the signal obtained from the signal source is sinusoidal signal, according to initial time and institute State sample rate and determine time value corresponding to each sampled point of the sinusoidal signal,Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsExpression is adopted Sample rate；Voltage determination sub-module, for determining each sampled point of the sinusoidal signal according to the signal parameter and the noise figure Corresponding magnitude of voltage,yi=sin (xi×f×2π)×Vp+Vn, wherein, yiMagnitude of voltage corresponding to ith sample point is represented, f represents the signal Frequency, VpRepresent the peak-to-peak value, VnRepresent the noise figure；Data generate submodule, and the sinusoidal signal is generated for the time value according to corresponding to each sampled point and magnitude of voltage Signal data.
- 9. device according to claim 7, it is characterised in that when it is serial signal to set the signal, the signal Parameter also includes：Square wave rising and falling time and the mark for indicating whether to produce random square-wave signal；The generation Module includes：Sampled point determination sub-module, for determining to be in high level and low level sampled point according to the mark；According to described Square wave rising and falling time determines the sampled point in rising edge and trailing edge；Time determination sub-module, for determining that each sampled point of the sinusoidal signal is corresponding according to initial time and the sample rate Time value,Wherein, xiRepresent time value corresponding to ith sample point, t1Represent initial time, RsExpression is adopted Sample rate；Voltage determination sub-module, rising edge is in for calculating the serial signal according to the signal parameter and the noise figure Sampled point corresponding to magnitude of voltage,Wherein, yiRepresent magnitude of voltage corresponding to ith sample point, N tables Show the total number of sampled point, VpRepresent the peak-to-peak value, VnRepresent the noise figure；The serial signal is in magnitude of voltage corresponding to the sampled point of trailing edge,<mrow> <msub> <mi>y</mi> <mi>i</mi> </msub> <mo>=</mo> <mfrac> <mrow> <mi>s</mi> <mi>i</mi> <mi>n</mi> <mrow> <mo>(</mo> <mo>(</mo> <mrow> <mfrac> <mi>i</mi> <mi>N</mi> </mfrac> <mo>+</mo> <mn>0.5</mn> </mrow> <mo>)</mo> <mo>&times;</mo> <mi>&pi;</mi> <mo>+</mo> <mn>1</mn> <mo>)</mo> </mrow> </mrow> <mn>2</mn> </mfrac> <mo>&times;</mo> <msub> <mi>V</mi> <mi>p</mi> </msub> <mo>+</mo> <msub> <mi>V</mi> <mi>n</mi> </msub> <mo>;</mo> </mrow>The serial signal is in magnitude of voltage corresponding to the sampled point of high level, yi=Vp+Vn；The serial signal is in magnitude of voltage, y corresponding to low level sampled pointi=Vn；Data generate submodule, and the serial signal is generated for the time value according to corresponding to each sampled point and magnitude of voltage Signal data.
- A kind of 10. signal data generating means of analog hardware, it is characterised in that including：Processor；For storing the memory of processor-executable instruction；Wherein, processor is configured as：Obtain signal parameter, signal source parameter, data wire parameter and the hardware parameter for treating analog hardware；The noise figure of signal data is calculated according to the signal parameter, signal source parameter, data wire parameter and the hardware parameter；The signal data is generated according to the signal parameter and the noise figure.
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| CN101915907A (en) * | 2010-07-07 | 2010-12-15 | 重庆大学 | Pulse radar echo signal generator and signal generating method thereof |
| CN102468806A (en) * | 2010-11-03 | 2012-05-23 | 北京普源精电科技有限公司 | White noise signal generator |
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