CN107561328B - A kind of the signal data generation method and device of analog hardware - Google Patents
A kind of the signal data generation method and device of analog hardware Download PDFInfo
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- CN107561328B CN107561328B CN201710726579.3A CN201710726579A CN107561328B CN 107561328 B CN107561328 B CN 107561328B CN 201710726579 A CN201710726579 A CN 201710726579A CN 107561328 B CN107561328 B CN 107561328B
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Abstract
The disclosure is directed to the signal data generation methods and device of a kind of analog hardware.This method comprises: obtaining signal parameter, signal source parameter, data line parameter and the hardware parameter to analog hardware；The noise figure of signal data is calculated according to the signal parameter, signal source parameter, data line parameter and the hardware parameter；The signal data is generated according to the signal parameter and the noise figure.The technical solution 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, strong operability, Parameter adjustable range is big, will not be because of the parameter setting not damage to hardware is caused.
Description
Technical field
This disclosure relates to the signal data generation method and device of technical field of data processing more particularly to analog hardware.
Background technique
Currently, generally by the physical signal source of hardware, needing the acquisition in oscillograph for the data acquisition of signal
Card is connected to signal source after signal source is opened via data line and is acquired signal data by capture card, then be transmitted to oscillograph
It is 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 hardware capture card is needed to be acquired the signal that it is generated, signal data can not be directly taken, in addition, acquisition
The unstability of card will affect collected signal quality.
Summary of the invention
The embodiment of the present disclosure provides the signal data generation method and device of a kind of analog hardware.The technical solution is such as
Under:
According to the first aspect of the embodiments of the present disclosure, a kind of signal data generation method of analog hardware is provided, comprising:
Obtain signal parameter, signal source parameter, data line parameter and the hardware parameter to analog hardware；
Making an uproar for signal data is calculated according to the signal parameter, signal source parameter, data line 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 line parameter includes: data line length, transmission rate, impedance；
The hardware parameter includes the operating voltage to analog hardware.
Optionally, signal number is calculated according to the signal parameter, signal source parameter, data line parameter and the hardware parameter
According to noise figure, comprising:
The signal parameter, signal source parameter, data line parameter and the hardware parameter are normalized, obtained
The normalized parameter value of parameters；
Obtain the signal parameter, signal source parameter, data line parameter and the corresponding weighted value of 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 that the signal, which is arranged, institute is generated according to the signal parameter and the noise figure
State signal data, comprising:
The corresponding time value of each sampled point of the sinusoidal signal is determined according to initial time and the sample rate,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, Rs
Indicate sample rate；
The corresponding voltage value of each sampled point of the sinusoidal signal is determined according to the signal parameter and the noise figure,
yi=sin (xi×f×2π)×Vp+Vn, wherein yiThe corresponding voltage value of ith sample point is indicated, described in f expression
Signal frequency, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
The signal data of the sinusoidal signal is generated according to the corresponding time value of each sampled point and voltage value.
Optionally,
When it is serial signal that the signal, which is arranged, the signal parameter further include: square wave rising and falling time and
For indicating whether to generate the mark of random square-wave signal；
The signal data is generated according to the signal parameter and the noise figure, comprising:
It is determined according to the mark and is in high level and low level sampled point；
The sampled point for being in rising edge and failing edge is determined according to the square wave rising and falling time；
The corresponding time value of each sampled point of the serial signal is determined according to initial time and the sample rate,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, Rs
Indicate sample rate；
According to the signal parameter and the noise figure calculate the serial signal be in rising edge sampled point it is corresponding
Voltage value,
Wherein, yiIndicate the corresponding voltage of ith sample point
Value, N indicate the total number of sampled point, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
The serial signal is in the corresponding voltage value of sampled point of failing edge,
The serial signal is in the corresponding voltage value of sampled point of high level, yi=Vp+Vn；
The serial signal is in the corresponding voltage value of low level sampled point, yi=Vn；
The signal data of the serial signal is generated according to the corresponding time value of each sampled point and voltage value.
According to the second aspect of an embodiment of the present disclosure, a kind of signal data generating means of analog hardware are provided, comprising:
Obtain module, for obtain signal parameter, signal source parameter, data line parameter and to analog hardware hardware join
Number；
Noise calculation module, for according to the signal parameter, signal source parameter, data line 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 line parameter includes: data line length, transmission rate, impedance；
The hardware parameter includes the operating voltage to analog hardware；
The noise calculation module includes:
Normalized submodule, for joining to the signal parameter, signal source parameter, data line 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 line parameter and the hardware parameter pair
The weighted value answered；
Weighted calculation submodule, for being weighted according to the normalized parameter value and its corresponding weighted value of parameters
It calculates, obtains the noise figure of the signal data.
Optionally, the generation module includes:
Time determines submodule, for when the signal obtained from the signal source be sinusoidal signal when, according to initial time
And the sample rate determines the corresponding time value of each sampled point of the sinusoidal signal,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, Rs
Indicate sample rate；
Voltage determines submodule, adopts for determining that the sinusoidal signal is each according to the signal parameter and the noise figure
The corresponding voltage value of sampling point,
yi=sin (xi×f×2π)×Vp+Vn, wherein yiThe corresponding voltage value of ith sample point is indicated, described in f expression
Signal frequency, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
Data generate submodule, for generating the sine according to the corresponding time value of each sampled point and voltage value
The signal data of signal.
Optionally, when it is serial signal that the signal, which is arranged, the signal parameter further include: when square wave raising and lowering
Between and the mark for indicating whether to generate random square-wave signal；The generation module includes:
Sampled point determines submodule, is in high level and low level sampled point for determining according to the mark；According to
The square wave rising and falling time determines the sampled point for being in rising edge and failing edge；
Time determines submodule, for determining each sampled point of the serial signal according to initial time and the sample rate
Corresponding time value,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, Rs
Indicate sample rate；
Voltage determines submodule, is in for calculating the serial signal according to the signal parameter and the noise figure
The corresponding voltage value of sampled point on edge is risen,
Wherein, yiIndicate the corresponding voltage of ith sample point
Value, N indicate the total number of sampled point, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
The serial signal is in the corresponding voltage value of failing edge sampled point,
The serial signal is in the corresponding voltage value of sampled point of high level, yi=Vp+Vn；
The serial signal is in the corresponding voltage value of low level sampled point, yi=Vn；
Data generate submodule, described serial for being generated according to the corresponding time value of each sampled point and voltage value
The signal data of signal.
According to the third aspect of an embodiment of the present disclosure, a kind of signal data generating means of analog hardware are provided, comprising:
Processor；
Memory for storage processor executable instruction；
Wherein, processor is configured as:
Obtain signal parameter, signal source parameter, data line parameter and the hardware parameter to analog hardware；
Making an uproar for signal data is calculated according to the signal parameter, signal source parameter, data line 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, strong operability, parameter can
Adjust range big, it will not be because of the parameter setting not damage to hardware is caused.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of the signal data generation method of analog hardware shown according to an exemplary embodiment.
Fig. 2 is a kind of process of the signal data generation method of the analog hardware shown according to another exemplary embodiment
Figure.
Fig. 3 is a kind of block diagram of the signal data generating means of analog hardware shown according to an exemplary embodiment.
Fig. 4 is the block diagram of noise calculation module shown according to an exemplary embodiment.
Fig. 5 is the block diagram of generation module shown according to an exemplary embodiment.
Fig. 6 is the block diagram of the generation module shown according to another exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device 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 shown according to an exemplary embodiment,
As shown in Figure 1, the signal data generation method of the analog hardware the following steps are included:
Step S11 obtains signal parameter, signal source parameter, data line parameter and the hardware parameter to analog hardware；
Step S12 calculates making an uproar for signal data according to signal parameter, signal source parameter, data line parameter and hardware parameter
Sound value；
Step S13 generates signal data 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, strong operability, Parameter adjustable range is big, will not be because of the parameter setting not damage to hardware is caused.
Optionally, signal parameter includes: signal frequency, sample rate and peak-to-peak value；
Signal source parameter includes: signal source power；
Data line parameter includes: data line length, transmission rate, impedance；
Hardware parameter includes the operating voltage to analog hardware.
Fig. 2 is a kind of process of the signal data generation method of the analog hardware shown according to another exemplary embodiment
Figure, as shown in Fig. 2, above-mentioned steps S12 includes:
Step S21 is normalized signal parameter, signal source parameter, data line parameter and hardware parameter, obtains
The normalized parameter value of parameters；
Step S22 obtains signal parameter, signal source parameter, data line parameter and the corresponding weighted value of hardware parameter；
Step S23 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 the way that analysis is added in the signal
Noise figure, further improve the accuracy of software analog hardware signal source.
When setting signal is sinusoidal signal, above-mentioned steps S12 includes:
Step A1 determines the corresponding time value of each sampled point of sinusoidal signal according to initial time and sample rate,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, Rs
Indicate sample rate；
Step A2 determines the corresponding voltage value of each sampled point of sinusoidal signal according to signal parameter and noise figure,
yi=sin (xi×f×2π)×Vp+Vn, wherein yiThe corresponding voltage value of ith sample point is indicated, described in f expression
Signal frequency, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
Step A3 generates the signal data of sinusoidal signal according to the corresponding time value of each sampled point and voltage value.
When setting signal is serial signal, signal parameter further include: square wave rising and falling time.Serial signal is main
Feature is the excessively namely rising edge and failing edge between low and high level and low and high level, therefore from the starting point of time value
It can be there are four types of situation
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 failing edge.
The Rise Time of Square Wave being set by the user obtains the specific time of edge and platform.Again by the time, frequency, sample rate,
The point of square wave out.The last and time, which is overlapped, obtains last all square-wave signals.
Above-mentioned steps S12 includes:
Step B1 is determined according to the mark and is in high level and low level sampled point；According to square wave raising and lowering
Time determines the sampled point for being in rising edge and failing edge；
Step B2 determines the corresponding time value of each sampled point of serial signal according to initial time and sample rate,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, Rs
Indicate sample rate；
Step B3 calculates the corresponding voltage of sampled point that serial signal is in rising edge according to signal parameter and noise figure
Value,
Wherein, yiIndicate the corresponding voltage of ith sample point
Value, N indicate the total number of sampled point, VpIndicate peak-to-peak value, VnIndicate noise figure；
Serial signal is in the corresponding voltage value of sampled point of failing edge,
The serial signal is in the corresponding voltage value of sampled point of high level, yi=Vp+Vn；
The serial signal is in the corresponding voltage value of low level sampled point, yi=Vn；
Step B4 generates the signal data of serial signal according to the corresponding time value of each sampled point and voltage value.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.
Fig. 3 is a kind of block diagram of the signal data generating means of analog hardware shown according to an exemplary embodiment, should
Device being 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:
Obtain module 31, for obtain signal parameter, signal source parameter, data line parameter and to analog hardware hardware join
Number；
Noise calculation module 32 is believed for being calculated according to signal parameter, signal source parameter, data line 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 line parameter includes: data line length, transmission rate, impedance；
Hardware parameter includes the operating voltage to analog hardware；
Fig. 4 is the block diagram of noise calculation module shown 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 line parameter and hardware parameter
Normalized obtains the normalized parameter value of parameters；
Acquisition submodule 42, for obtaining signal parameter, signal source parameter, data line parameter and the corresponding power of hardware parameter
Weight values；
Weighted calculation submodule 43, for being added according to the normalized parameter value and its corresponding weighted value of parameters
Power calculates, and obtains the noise figure of signal data.
Fig. 5 is the block diagram of generation module shown according to an exemplary embodiment, as shown in figure 5, generation module 33 includes:
Time determines submodule 51, for being determined according to initial time and sample rate when setting signal is sinusoidal signal
The corresponding time value of each sampled point of sinusoidal signal,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, Rs
Indicate sample rate；
Voltage determines submodule 52, for determining that each sampled point of sinusoidal signal is corresponding according to signal parameter and noise figure
Voltage value,
yi=sin (xi×f×2π)×Vp+Vn, wherein yiThe corresponding voltage value of ith sample point is indicated, described in f expression
Signal frequency, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
Data generate submodule 53, for generating sinusoidal signal according to the corresponding time value of each sampled point and voltage value
Signal data.
Fig. 6 is the block diagram of the generation module shown according to another exemplary embodiment, as shown in fig. 6,
When setting signal is serial signal, signal parameter further include: square wave rising and falling time and for indicating
Whether the mark of random square-wave signal is generated；Generation module 33 includes:
Sampled point determines submodule 61, is in high level and low level sampled point for determining according to the mark；Root
The sampled point for being in rising edge and failing edge is determined according to square wave rising and falling time；
Time determines submodule 62, for determining that each sampled point of serial signal is corresponding according to initial time and sample rate
Time value,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, Rs
Indicate sample rate；
Voltage determines submodule 63, is in rising edge and decline for calculating serial signal according to signal parameter and noise figure
The corresponding voltage value of the sampled point on edge,
Wherein, yiIndicate the corresponding voltage of ith sample point
Value, N indicate the total number of sampled point, VpIndicate peak-to-peak value, VnIndicate noise figure；
Serial signal is in high level and the corresponding voltage value of low level sampled point,
The serial signal is in the corresponding voltage value of sampled point of high level, yi=Vp+Vn；
The serial signal is in the corresponding voltage value of low level sampled point, yi=Vn；
Data generate submodule 64, for generating serial signal according to the corresponding time value of each sampled point and voltage value
Signal data.
According to the third aspect of an embodiment of the present disclosure, a kind of signal data generating means of analog hardware are provided, comprising:
Processor；
Memory for storage processor executable instruction；
Wherein, processor is configured as:
Obtain signal parameter, signal source parameter, data line parameter and the hardware parameter to analog hardware；
The noise figure of signal data is calculated according to signal parameter, signal source parameter, data line parameter and hardware parameter；
Signal data is generated according to signal parameter and noise figure.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (7)
1. a kind of signal data generation method of analog hardware characterized by comprising
Obtain signal parameter, signal source parameter, data line parameter and the hardware parameter to analog hardware；
The noise figure of signal data is calculated according to the signal parameter, signal source parameter, data line parameter and the hardware parameter；
The signal data is generated according to the signal parameter and the noise figure；
The signal parameter includes: signal frequency, sample rate and peak-to-peak value；
The signal source parameter includes: signal source power；
The data line parameter includes: data line length, transmission rate, impedance；
The hardware parameter includes the operating voltage to analog hardware；
The noise figure of signal data is calculated according to the signal parameter, signal source parameter, data line parameter and the hardware parameter,
Include:
The signal parameter, signal source parameter, data line parameter and the hardware parameter are normalized, obtained each
The normalized parameter value of parameter；
Obtain the signal parameter, signal source parameter, data line parameter and the corresponding weighted value of 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.
2. the method according to claim 1, wherein when it is sinusoidal signal that the signal, which is arranged, according to described
Signal parameter and the noise figure generate the signal data, comprising:
The corresponding time value of each sampled point of the sinusoidal signal is determined according to initial time and the sample rate,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, RsIt indicates
Sample rate；
The corresponding voltage value of each sampled point of the sinusoidal signal is determined according to the signal parameter and the noise figure,
yi=sin (xi×f×2π)×Vp+Vn, wherein yiIndicate that the corresponding voltage value of ith sample point, f indicate the signal
Frequency, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
The signal data of the sinusoidal signal is generated according to the corresponding time value of each sampled point and voltage value.
3. the method according to claim 1, wherein when it is serial signal that the signal, which is arranged, the signal
Parameter further include: square wave rising and falling time and the mark for indicating whether to generate random square-wave signal；
The signal data is generated according to the signal parameter and the noise figure, comprising:
It is determined according to the mark and is in high level and low level sampled point；
The sampled point for being in rising edge and failing edge is determined according to the square wave rising and falling time；
The corresponding time value of each sampled point of the serial signal is determined according to initial time and the sample rate,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, RsExpression is adopted
Sample rate；
The corresponding voltage of sampled point that the serial signal is in rising edge is calculated according to the signal parameter and the noise figure
Value,
Wherein, yiIndicate the corresponding voltage value of ith sample point, N table
Show the total number of sampled point, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
The serial signal is in the corresponding voltage value of sampled point of failing edge,
The serial signal is in the corresponding voltage value of sampled point of high level, yi=Vp+Vn；
The serial signal is in the corresponding voltage value of low level sampled point, yi=Vn；
The signal data of the serial signal is generated according to the corresponding time value of each sampled point and voltage value.
4. a kind of signal data generating means of analog hardware characterized by comprising
Module is obtained, for obtaining signal parameter, signal source parameter, data line parameter and to the hardware parameter of analog hardware；
Noise calculation module, for being calculated according to the signal parameter, signal source parameter, data line 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；
The signal parameter includes: signal frequency, sample rate and peak-to-peak value；
The signal source parameter includes: signal source power；
The data line parameter includes: data line length, transmission rate, impedance；
The hardware parameter includes the operating voltage to analog hardware；
The noise calculation module includes:
Normalized submodule, for the signal parameter, signal source parameter, data line parameter and the hardware parameter into
Row normalized obtains the normalized parameter value of parameters；
Acquisition submodule, it is corresponding for obtaining the signal parameter, signal source parameter, data line parameter and the hardware parameter
Weighted value；
Weighted calculation submodule, be weighted by the normalized parameter value and its corresponding weighted value according to parameters based on
It calculates, obtains the noise figure of the signal data.
5. device according to claim 4, which is characterized in that the generation module includes:
Time determines submodule, for when the signal obtained from the signal source be sinusoidal signal when, according to initial time and institute
It states sample rate and determines the corresponding time value of each sampled point of the sinusoidal signal,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, RsExpression is adopted
Sample rate；
Voltage determines submodule, for determining each sampled point of the sinusoidal signal according to the signal parameter and the noise figure
Corresponding voltage value,
yi=sin (xi×f×2π)×Vp+Vn, wherein yiIndicate that the corresponding voltage value of ith sample point, f indicate the signal
Frequency, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
Data generate submodule, for generating the sinusoidal signal according to the corresponding time value of each sampled point and voltage value
Signal data.
6. device according to claim 5, which is characterized in that when it is serial signal that the signal, which is arranged, the signal
Parameter further include: square wave rising and falling time and the mark for indicating whether to generate random square-wave signal；The generation
Module includes:
Sampled point determines submodule, is in high level and low level sampled point for determining according to the mark；According to described
Square wave rising and falling time determines the sampled point for being in rising edge and failing edge；
Time determines submodule, for determining that each sampled point of the serial signal is corresponding according to initial time and the sample rate
Time value,
Wherein, xiIndicate the corresponding time value of ith sample point, t1Indicate initial time, RsExpression is adopted
Sample rate；
Voltage determines submodule, is in rising edge for calculating the serial signal according to the signal parameter and the noise figure
The corresponding voltage value of sampled point,
Wherein, yiIndicate the corresponding voltage value of ith sample point, N table
Show the total number of sampled point, VpIndicate the peak-to-peak value, VnIndicate the noise figure；
The serial signal is in the corresponding voltage value of sampled point of failing edge,
The serial signal is in the corresponding voltage value of sampled point of high level, yi=Vp+Vn；
The serial signal is in the corresponding voltage value of low level sampled point, yi=Vn；
Data generate submodule, for generating the serial signal according to the corresponding time value of each sampled point and voltage value
Signal data.
7. a kind of signal data generating means of analog hardware characterized by comprising
Processor；
Memory for storage processor executable instruction；
Wherein, processor is configured as:
Obtain signal parameter, signal source parameter, data line parameter and the hardware parameter to analog hardware；
The noise figure of signal data is calculated according to the signal parameter, signal source parameter, data line parameter and the hardware parameter；
The signal data is generated according to the signal parameter and the noise figure；
The signal parameter includes: signal frequency, sample rate and peak-to-peak value；
The signal source parameter includes: signal source power；
The data line parameter includes: data line length, transmission rate, impedance；
The hardware parameter includes the operating voltage to analog hardware；
The noise figure of signal data is calculated according to the signal parameter, signal source parameter, data line parameter and the hardware parameter,
Include:
The signal parameter, signal source parameter, data line parameter and the hardware parameter are normalized, obtained each
The normalized parameter value of parameter；
Obtain the signal parameter, signal source parameter, data line parameter and the corresponding weighted value of 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.
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| CN102111129A (en) * | 2009-12-28 | 2011-06-29 | 北京普源精电科技有限公司 | Signal generator with noise signal output function and method for outputting noise signals |
| 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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