CN109088675A - A kind of the access calibration method and device of radio-frequency signal source - Google Patents
A kind of the access calibration method and device of radio-frequency signal source Download PDFInfo
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- CN109088675A CN109088675A CN201710441083.1A CN201710441083A CN109088675A CN 109088675 A CN109088675 A CN 109088675A CN 201710441083 A CN201710441083 A CN 201710441083A CN 109088675 A CN109088675 A CN 109088675A
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- output frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
Abstract
The present invention provides the access calibration methods and device of a kind of radio-frequency signal source, are related to radio-frequency signal source technical field.The present invention uses the access gear of first adjustment radio-frequency signal source to gear to be calibrated, then again under the gear to be calibrated, the output frequency of radio-frequency signal source is adjusted with dull step-by-step system, determine the measurement result of the corresponding gear to be calibrated of each output frequency, to according to the measurement result and the corresponding straight-through measurement result of each output frequency of the corresponding gear to be calibrated of each output frequency, determine calibration data of the gear to be calibrated under each output frequency, the gear to be calibrated is calibrated in completion under each output frequency.And not first select output frequency, frequently the access gear of switching radio-frequency signal source is calibrated to complete access again, the problem of stabilization time needed for avoiding radio-frequency signal source caused by frequent switching access gear increases, the stabilization time needed for greatly shortening radio-frequency signal source improves the efficiency of the access calibration of radio-frequency signal source.
Description
Technical field
The present invention relates to radio-frequency signal source technical field more particularly to the access calibration methods and dress of a kind of radio-frequency signal source
It sets.
Background technique
Radio-frequency signal source is the instrument for generating various radiofrequency signals, such as continuous wave signal, universal measurement signal, simulation
Modulated signal, IQ (inphase quadrature, In-phase Quadrature) modulated signal and the customized signal of user etc..It penetrates
Frequency source signal is usually used in calibration spectrum analyzer, intensity modulation analysis instrument, power meter, frequency meter, radio frequency milivoltmeter, high-frequency digital and shows
Numerous wireless radiofrequency electric measuring instruments such as wave device, for grinding for the every field such as mobile communication, aerospace, defence and military
Hair, production test and electronic countermeasure of security fields etc. have a wide range of applications.
For any one radio-frequency signal source instrument, the accuracy for the signal that radio frequency part can all generate signal source
Very big influence is caused, therefore just needs point-device realization radio-frequency part with high-precision signal source instrument to produce
Point function, and to it is accurate realize radio frequency part function effect it is maximum be exactly calibration of power problem in radio-frequency signal source.?
In the power control system of radio-frequency signal source, access (attenuator, amplifier and straight-through) is a critically important module, is directly determined
Determine the accuracy of output power.Under normal circumstances, the prior art, which is taken, calibrates the channel module of radio-frequency signal source
Rule is under each Frequency point according to monotonic order (maximum gear of decaying from amplifier gear to attenuator) calibration institute
The advantages of some accesses, this method is can very easily to organize data structure, because being under each Frequency point according to list
Adjust sequential calibration access, the corresponding one group of calibration data of a Frequency point.And the shortcomings that this method is under each frequency
Dull (maximum gear of decaying from amplifier gear to attenuator) all accesses of calibration, can be because under each Frequency point frequently
Switched path causes output amplitude to change greatly, long so as to cause test machine and radio-frequency signal source stable time, for
It is bigger for needing to carry out cost for the enterprise of high-volume radio-frequency signal source instrument production, therefore in radio-frequency signal source
Access calibration there is also certain efficiency defects, it is seen that how to be both able to achieve the signal for meeting the generation of radio-frequency signal source instrument
Accuracy, but the efficiency that can largely improve access calibration becomes those skilled in the art's urgent problem to be solved.
Summary of the invention
The embodiment of the present invention provides the access calibration method and device of a kind of radio-frequency signal source, to solve the prior art
The lower problem of the efficiency of the access calibration of radio-frequency signal source.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of access calibration method of radio-frequency signal source, comprising:
The access gear of radio-frequency signal source is adjusted to gear to be calibrated；
Under the gear to be calibrated, the output frequency of radio-frequency signal source is adjusted with dull step-by-step system, determines each output
The measurement result of the corresponding gear to be calibrated of frequency；
According to the corresponding straight-through measurement knot of the measurement result of the corresponding gear to be calibrated of each output frequency and each output frequency
Fruit determines calibration data of the gear to be calibrated under each output frequency；
The gear to be calibrated is calibrated under each output frequency according to the calibration data.
Specifically, the output end of the radio-frequency signal source connects the input terminal of a frequency spectrograph；
The access calibration method of the radio-frequency signal source, further includes:
The access gear of radio-frequency signal source is adjusted to through path gear；
Under the through path gear, with dull step-by-step system by the output frequency of radio-frequency signal source from pre-set
First predeterminated frequency is adjusted to the second predeterminated frequency, is obtained the corresponding straight-through measurement of each output frequency by the frequency spectrograph and is tied
Fruit.
Specifically, the gear to be calibrated includes amplification access gear and each decaying access gear.
Specifically, adjusting the output frequency of radio-frequency signal source with dull step-by-step system under the gear to be calibrated, determine
The measurement result of the corresponding gear to be calibrated of each output frequency, comprising:
In the case where amplifying access gear, with dull step-by-step system by the output frequency of radio-frequency signal source from pre-set first
Predeterminated frequency is adjusted to the second predeterminated frequency, and the survey of the corresponding amplification access gear of each output frequency is obtained by the frequency spectrograph
Measure result.
Specifically, corresponding straight-through according to the measurement result of the corresponding gear to be calibrated of each output frequency and each output frequency
Measurement result determines calibration data of the gear to be calibrated under each output frequency, comprising:
According to the measurement result and the corresponding straight-through measurement of each output frequency of the corresponding amplification access gear of each output frequency
As a result, determining calibration data of the amplification access gear under each output frequency；The amplification access gear is under each output frequency
Calibration data be F=A-P；Wherein, F is the calibration data for amplifying access gear under an output frequency；A is corresponding output frequency
The measurement result of amplification access gear under rate；P is the straight-through measurement result under corresponding output frequency.
Specifically, being calibrated under each output frequency according to the calibration data to the gear to be calibrated, comprising:
According to calibration data of the amplification access gear under each output frequency to the amplification access gear in each output frequency
It is calibrated under rate.
Specifically, the access gear of adjustment radio-frequency signal source is to gear to be calibrated, comprising:
The access gear of radio-frequency signal source is carried out from the first default decaying access gear with pre-set step units
It adjusts, until reaching the second default decaying access gear.
Specifically, adjusting the output frequency of radio-frequency signal source with dull step-by-step system under the gear to be calibrated, determine
The measurement result of the corresponding gear to be calibrated of each output frequency, comprising:
Under a decaying access gear, with dull step-by-step system by the output frequency of radio-frequency signal source from pre-set the
One predeterminated frequency is adjusted to the second predeterminated frequency, obtains the corresponding decaying access gear of each output frequency by the frequency spectrograph
Measurement result.
Specifically, corresponding straight-through according to the measurement result of the corresponding gear to be calibrated of each output frequency and each output frequency
Measurement result determines calibration data of the gear to be calibrated under each output frequency, comprising:
According to the measurement result and the corresponding straight-through measurement of each output frequency of the corresponding decaying access gear of each output frequency
As a result, determining calibration data of the decaying access gear under each output frequency；The decaying access gear is under each output frequency
Calibration data be S=P-T；Wherein, S is calibration data of the access gear under an output frequency of decaying；T is corresponding output frequency
The measurement result of decaying access gear under rate；P is the straight-through measurement result under corresponding output frequency.
Specifically, being calibrated under each output frequency according to the calibration data to the gear to be calibrated, comprising:
According to calibration data of the decaying access gear under each output frequency to the decaying access gear in each output frequency
It is calibrated under rate.
A kind of access calibrating installation of radio-frequency signal source, comprising:
Access gear adjustment unit, for adjusting the access gear of radio-frequency signal source to gear to be calibrated；
Output frequency adjusts unit, for adjusting radio-frequency signal source with dull step-by-step system under the gear to be calibrated
Output frequency, determine the measurement result of the corresponding gear to be calibrated of each output frequency；
Calibration data determination unit, for the measurement result and each output according to the corresponding gear to be calibrated of each output frequency
The corresponding straight-through measurement result of frequency, determines calibration data of the gear to be calibrated under each output frequency；
Calibration unit, for being calibrated under each output frequency according to the calibration data to the gear to be calibrated.
Specifically, the output end of the radio-frequency signal source connects the input terminal of a frequency spectrograph；
The access gear adjustment unit is also used to adjust the access gear of radio-frequency signal source to through path gear；
The output frequency adjusts unit, is also used under the through path gear, with dull step-by-step system by radio frequency
The output frequency of signal source is adjusted from pre-set first predeterminated frequency to the second predeterminated frequency, is obtained by the frequency spectrograph
The corresponding straight-through measurement result of each output frequency.
Specifically, the gear to be calibrated in the access gear adjustment unit includes amplification access gear and each decaying access
Gear.
In addition, the output frequency adjusts unit, it is specifically used for:
In the case where amplifying access gear, with dull step-by-step system by the output frequency of radio-frequency signal source from pre-set first
Predeterminated frequency is adjusted to the second predeterminated frequency, and the survey of the corresponding amplification access gear of each output frequency is obtained by the frequency spectrograph
Measure result.
In addition, the calibration data determination unit, is specifically used for:
According to the measurement result and the corresponding straight-through measurement of each output frequency of the corresponding amplification access gear of each output frequency
As a result, determining calibration data of the amplification access gear under each output frequency；The amplification access gear is under each output frequency
Calibration data be F=A-P；Wherein, F is the calibration data for amplifying access gear under an output frequency；A is corresponding output frequency
The measurement result of amplification access gear under rate；P is the straight-through measurement result under corresponding output frequency.
In addition, the calibration unit, is specifically used for:
According to calibration data of the amplification access gear under each output frequency to the amplification access gear in each output frequency
It is calibrated under rate.
In addition, the access gear adjustment unit, is specifically used for:
The access gear of radio-frequency signal source is carried out from the first default decaying access gear with pre-set step units
It adjusts, until reaching the second default decaying access gear.
In addition, the output frequency adjusts unit, it is specifically used for:
Under a decaying access gear, with dull step-by-step system by the output frequency of radio-frequency signal source from pre-set the
One predeterminated frequency is adjusted to the second predeterminated frequency, obtains the corresponding decaying access gear of each output frequency by the frequency spectrograph
Measurement result.
In addition, the calibration data determination unit, is specifically used for:
According to the measurement result and the corresponding straight-through measurement of each output frequency of the corresponding decaying access gear of each output frequency
As a result, determining calibration data of the decaying access gear under each output frequency；The decaying access gear is under each output frequency
Calibration data be S=P-T；Wherein, S is calibration data of the access gear under an output frequency of decaying；T is corresponding output frequency
The measurement result of decaying access gear under rate；P is the straight-through measurement result under corresponding output frequency.
In addition, the calibration unit, is specifically used for:
According to calibration data of the decaying access gear under each output frequency to the decaying access gear in each output frequency
It is calibrated under rate.
The access calibration method and device of a kind of radio-frequency signal source provided in an embodiment of the present invention, using first adjustment radio frequency letter
The access gear in number source is to gear to be calibrated, then again under the gear to be calibrated, adjusts radio frequency letter with dull step-by-step system
The output frequency in number source, determines the measurement result of the corresponding gear to be calibrated of each output frequency, thus according to each output frequency pair
The measurement result for the gear to be calibrated answered and the corresponding straight-through measurement result of each output frequency, determine gear to be calibrated in each output
The gear to be calibrated is calibrated in calibration data under frequency, completion under each output frequency.And not first select output
Frequency, then the access gear of frequent switching radio-frequency signal source are calibrated to complete access, avoid frequent switching access gear and make
At radio-frequency signal source needed for the stabilization time increase the problem of, the stabilization time needed for greatly shortening radio-frequency signal source,
Improve the efficiency of the access calibration of radio-frequency signal source.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart one of the access calibration method of radio-frequency signal source provided in an embodiment of the present invention；
Fig. 2 is a kind of flowchart 2 of the access calibration method of radio-frequency signal source provided in an embodiment of the present invention；
Fig. 3 is the connection schematic diagram of the radio-frequency signal source and frequency spectrograph in the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of the access calibrating installation of radio-frequency signal source provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the implementation of the present invention, inventor has found that the prior art generally uses and first selectes output frequency, then frequently
Switching radio-frequency signal source access gear come complete access calibration.However, this mode test equipment (such as frequency spectrograph) exists
Test more by a small margin when can open it is pre- put (i.e. preamplifier), reduce fractional bandwidth (Resolution Bandwidth, abbreviation
RBW) and width (abbreviation SPAN) is frequency scanned, in this process, each operation requires to stablize the time, it is assumed that each
The stabilization time of operation is t, all accesses (through path, amplification access and decaying access) need to switch altogether put in advance for 3 times,
RBW and SPAN (in actual alignment, the number of switching may be more), frequency stepping is 50MHZ, calibrates 120 Frequency points altogether,
Then the prior art needs machine to stablize the time altogether at this time are as follows: t × 3 × 120=360t.
And as shown in Figure 1, a kind of access calibration method of radio-frequency signal source provided in an embodiment of the present invention, comprising:
Step 101 adjusts the access gear of radio-frequency signal source to gear to be calibrated.
Step 102, under the gear to be calibrated, with dull step-by-step system adjust radio-frequency signal source output frequency, really
Determine the measurement result of the corresponding gear to be calibrated of each output frequency.
It is step 103, corresponding straight according to the measurement result of the corresponding gear to be calibrated of each output frequency and each output frequency
Logical measurement result, determines calibration data of the gear to be calibrated under each output frequency.
Step 104 calibrates the gear to be calibrated according to the calibration data under each output frequency.
It can be seen that a kind of access calibration method of radio-frequency signal source provided in an embodiment of the present invention, is penetrated using first adjustment
The access gear of frequency source signal is to gear to be calibrated, then again under the gear to be calibrated, is penetrated with the adjusting of dull step-by-step system
The output frequency of frequency source signal determines the measurement result of the corresponding gear to be calibrated of each output frequency, thus according to each output frequency
The measurement result and the corresponding straight-through measurement result of each output frequency of the corresponding gear to be calibrated of rate, determine gear to be calibrated each
The gear to be calibrated is calibrated in calibration data under output frequency, completion under each output frequency.And it not first selectes
Output frequency, then the access gear of frequent switching radio-frequency signal source are calibrated to complete access, avoid frequent switching access shelves
The problem of stabilization time needed for radio-frequency signal source caused by position increases, when stabilization needed for greatly shortening radio-frequency signal source
Between, improve the efficiency of the access calibration of radio-frequency signal source.
I.e. in embodiments of the present invention, machine is needed to stablize the time altogether are as follows: t × 3=3t, it is seen that greatly shorten radio frequency
The stabilization time needed for signal source improves the efficiency of the access calibration of radio-frequency signal source.
In order to make those skilled in the art be better understood by the present invention, a more detailed embodiment is set forth below,
As shown in Fig. 2, the embodiment of the present invention provides a kind of access calibration method of radio-frequency signal source, comprising:
Step 201, the input terminal that the output end of radio-frequency signal source is connected to a frequency spectrograph, and carry out radio-frequency signal source and frequency
The initialization of spectrometer.
In embodiments of the present invention, which can be said by taking model DSG3120 radio-frequency signal source as an example
It is bright.As shown in figure 3, DSG3120 radio-frequency signal source 31 is attached with frequency spectrograph 32 by signal line.
Step 202 adjusts the access gear of radio-frequency signal source to through path gear.
Step 203, under the through path gear, with dull step-by-step system by the output frequency of radio-frequency signal source from pre-
The first predeterminated frequency being first arranged is adjusted to the second predeterminated frequency, and it is corresponding straight-through to obtain each output frequency by the frequency spectrograph
Measurement result.
Herein, dull step-by-step system refers to the output frequency of radio-frequency signal source with default increasing frequency from pre-set
First predeterminated frequency is adjusted to the second predeterminated frequency, and it is corresponding to pass through the output frequency that the frequency spectrograph obtains after being incremented by every time
Straight-through measurement result.For example, default increasing frequency is 50MHz, pre-set first predeterminated frequency is 6GHz, the second default frequency
Rate is 12GHz.Then since 6GHz, gradually it is incremented by 50MHz every time, arrives 12GHz until adjusting, share 120 output frequencies.It is logical
The output data for reading frequency spectrograph is crossed, the corresponding straight-through measurement result of each output frequency can be obtained.This sentences straight-through measurement knot
Fruit is as reference value, so that it is determined that subsequent calibration data.Straight-through measurement result can be expressed as Path_Meas.
Step 204, adjust radio-frequency signal source access gear to amplify access gear.
Step 205, in the case where amplifying access gear, the output frequency of radio-frequency signal source is set from advance with dull step-by-step system
The first predeterminated frequency set is adjusted to the second predeterminated frequency, obtains the corresponding amplification access of each output frequency by the frequency spectrograph
The measurement result of gear.
Similarly, dull step-by-step system refers to preset increasing frequency and set the output frequency of radio-frequency signal source from advance herein
The first predeterminated frequency set adjusts to the second predeterminated frequency, and obtains the output frequency pair after being incremented by every time by the frequency spectrograph
The measurement result for the amplification access gear answered.For example, default increasing frequency is 50MHz, pre-set first predeterminated frequency is
6GHz, the second predeterminated frequency are 12GHz.Then since 6GHz, gradually it is incremented by 50MHz every time, arrives 12GHz until adjusting, share
120 output frequencies.By reading the output data of frequency spectrograph, the corresponding amplification access gear of each output frequency can be obtained
Measurement result.The measurement result of amplification access gear herein can be expressed as Amp_Meas.
Step 206, according to each output frequency it is corresponding amplification access gear measurement result and each output frequency it is corresponding
Straight-through measurement result determines calibration data of the amplification access gear under each output frequency.
Calibration data of the amplification access gear under each output frequency is F=A-P；Wherein, F is amplification access gear
Calibration data under an output frequency；A is the measurement result of the amplification access gear under corresponding output frequency；P is that correspondence is defeated
Straight-through measurement result under frequency out.Output frequency herein needs to correspond, 120 output frequencies as escribed above, if
It needs to seek to amplify calibration data of the access gear at 12GHz, then to select the measurement knot of the amplification access gear under 12GHz
Straight-through measurement result under fruit and 12GHz.
Step 207 exists to the amplification access gear according to calibration data of the amplification access gear under each output frequency
It is calibrated under each output frequency.
Step 208, adjust radio-frequency signal source access gear to one decaying access gear.
Herein, need to calibrate multiple decaying access gears, each decaying access gear is required to carry out subsequent step.Herein
Adjustment radio-frequency signal source access gear to a decaying access gear mode are as follows: with pre-set step units by radio frequency
The access gear of signal source is adjusted from the first default decaying access gear, until reaching the second default decaying access gear.
For example, pre-set step units are 5 attenuation units, the first default access gear of decaying is decaying access gear 5, second
Default decaying access gear is decaying access gear 100, then shares 20 decaying access gears.
Step 209, under a decaying access gear, with dull step-by-step system by the output frequency of radio-frequency signal source from preparatory
The first predeterminated frequency being arranged is adjusted to the second predeterminated frequency, and it is logical to obtain the corresponding decaying of each output frequency by the frequency spectrograph
The measurement result of road gear.
Similarly, dull step-by-step system refers to preset increasing frequency and set the output frequency of radio-frequency signal source from advance herein
The first predeterminated frequency set adjusts to the second predeterminated frequency, and obtains the output frequency pair after being incremented by every time by the frequency spectrograph
The measurement result for the decaying access gear answered.For example, default increasing frequency is 50MHz, pre-set first predeterminated frequency is
6GHz, the second predeterminated frequency are 12GHz.Then since 6GHz, gradually it is incremented by 50MHz every time, arrives 12GHz until adjusting, share
120 output frequencies.By reading the output data of frequency spectrograph, the corresponding decaying access gear of each output frequency can be obtained
Measurement result.The measurement result of decaying access gear herein can be expressed as Att_Meas.
Step 210, according to each output frequency it is corresponding decaying access gear measurement result and each output frequency it is corresponding
Straight-through measurement result determines calibration data of the decaying access gear under each output frequency.
Wherein, calibration data of the decaying access gear under each output frequency is S=P-T；Wherein, S is that decaying is logical
Calibration data of the road gear under an output frequency；T is the measurement result of the decaying access gear under corresponding output frequency；P is
Straight-through measurement result under corresponding output frequency.Output frequency herein needs to correspond, 120 output frequency as escribed above
If desired rate seeks calibration data of a certain decaying access gear at 12GHz, then to select the decaying access gear
The measurement result and the straight-through measurement result under 12GHz of decaying access gear under 12GHz.
Step 211 exists to the decaying access gear according to calibration data of the decaying access gear under each output frequency
It is calibrated under each output frequency.
Step 211 complete a decaying access gear after the calibration under each output frequency, can with return step 208,
Until whole decaying access gears is calibrated under each output frequency and is finished.
It can be seen that a kind of access calibration method of radio-frequency signal source provided in an embodiment of the present invention, is penetrated using first adjustment
The access gear of frequency source signal is to gear to be calibrated, then again under the gear to be calibrated, is penetrated with the adjusting of dull step-by-step system
The output frequency of frequency source signal determines the measurement result of the corresponding gear to be calibrated of each output frequency, thus according to each output frequency
The measurement result and the corresponding straight-through measurement result of each output frequency of the corresponding gear to be calibrated of rate, determine gear to be calibrated each
The gear to be calibrated is calibrated in calibration data under output frequency, completion under each output frequency.And it not first selectes
Output frequency, then the access gear of frequent switching radio-frequency signal source are calibrated to complete access, avoid frequent switching access shelves
The problem of stabilization time needed for radio-frequency signal source caused by position increases, when stabilization needed for greatly shortening radio-frequency signal source
Between, improve the efficiency of the access calibration of radio-frequency signal source.
Corresponding to above-mentioned Fig. 1 and embodiment of the method shown in Fig. 2, as shown in figure 4, the embodiment of the present invention provides a kind of radio frequency
The access calibrating installation of signal source, comprising:
Access gear adjustment unit 41, for adjusting the access gear of radio-frequency signal source to gear to be calibrated.
Output frequency adjusts unit 42, for adjusting radiofrequency signal with dull step-by-step system under the gear to be calibrated
The output frequency in source determines the measurement result of the corresponding gear to be calibrated of each output frequency.
Calibration data determination unit 43, for according to the measurement result of the corresponding gear to be calibrated of each output frequency and each defeated
The corresponding straight-through measurement result of frequency out determines calibration data of the gear to be calibrated under each output frequency.
Calibration unit 44, for carrying out school under each output frequency to the gear to be calibrated according to the calibration data
It is quasi-.
Specifically, the output end of the radio-frequency signal source can connect the input terminal of a frequency spectrograph.
The access gear adjustment unit 41 is also used to adjust the access gear of radio-frequency signal source to through path gear.
The output frequency adjusts unit 42, is also used under the through path gear, will be penetrated with dull step-by-step system
The output frequency of frequency source signal is adjusted from pre-set first predeterminated frequency to the second predeterminated frequency, is obtained by the frequency spectrograph
Take the corresponding straight-through measurement result of each output frequency.
Specifically, the gear to be calibrated in the access gear adjustment unit 41 includes that amplification access gear and each decaying are logical
Road gear.
In addition, the output frequency adjusts unit 42, it is specifically used for:
In the case where amplifying access gear, with dull step-by-step system by the output frequency of radio-frequency signal source from pre-set first
Predeterminated frequency is adjusted to the second predeterminated frequency, and the survey of the corresponding amplification access gear of each output frequency is obtained by the frequency spectrograph
Measure result.
In addition, the calibration data determination unit 43, is specifically used for:
According to the measurement result and the corresponding straight-through measurement of each output frequency of the corresponding amplification access gear of each output frequency
As a result, determining calibration data of the amplification access gear under each output frequency；The amplification access gear is under each output frequency
Calibration data be F=A-P；Wherein, F is the calibration data for amplifying access gear under an output frequency；A is corresponding output frequency
The measurement result of amplification access gear under rate；P is the straight-through measurement result under corresponding output frequency.
In addition, the calibration unit 44, is specifically used for:
According to calibration data of the amplification access gear under each output frequency to the amplification access gear in each output frequency
It is calibrated under rate.
In addition, the access gear adjustment unit 41, is specifically used for:
The access gear of radio-frequency signal source is carried out from the first default decaying access gear with pre-set step units
It adjusts, until reaching the second default decaying access gear.
In addition, the output frequency adjusts unit 42, it is specifically used for:
Under a decaying access gear, with dull step-by-step system by the output frequency of radio-frequency signal source from pre-set the
One predeterminated frequency is adjusted to the second predeterminated frequency, obtains the corresponding decaying access gear of each output frequency by the frequency spectrograph
Measurement result.
In addition, the calibration data determination unit 43, is specifically used for:
According to the measurement result and the corresponding straight-through measurement of each output frequency of the corresponding decaying access gear of each output frequency
As a result, determining calibration data of the decaying access gear under each output frequency；The decaying access gear is under each output frequency
Calibration data be S=P-T；Wherein, S is calibration data of the access gear under an output frequency of decaying；T is corresponding output frequency
The measurement result of decaying access gear under rate；P is the straight-through measurement result under corresponding output frequency.
In addition, the calibration unit 44, is specifically used for:
According to calibration data of the decaying access gear under each output frequency to the decaying access gear in each output frequency
It is calibrated under rate.
It is worth noting that a kind of specific implementation of the access calibrating installation of radio-frequency signal source provided in an embodiment of the present invention
Mode may refer to the corresponding embodiment of the method for above-mentioned Fig. 1 and Fig. 2, and details are not described herein again.
The access calibrating installation of a kind of radio-frequency signal source provided in an embodiment of the present invention, using first adjustment radio-frequency signal source
Access gear is to gear to be calibrated, then again under the gear to be calibrated, adjusts radio-frequency signal source with dull step-by-step system
Output frequency determines the measurement result of the corresponding gear to be calibrated of each output frequency, thus according to each output frequency it is corresponding to
The measurement result and the corresponding straight-through measurement result of each output frequency for calibrating gear, determine gear to be calibrated under each output frequency
Calibration data, completion the gear to be calibrated is calibrated under each output frequency.And output frequency is not first selected, then
The access gear of frequent switching radio-frequency signal source is calibrated to complete access, avoids radio frequency caused by frequent switching access gear
The problem of stabilization time needed for signal source increases, the stabilization time, improves and penetrates needed for greatly shortening radio-frequency signal source
The efficiency of the access calibration of frequency source signal.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (20)
1. a kind of access calibration method of radio-frequency signal source characterized by comprising
The access gear of radio-frequency signal source is adjusted to gear to be calibrated；
Under the gear to be calibrated, the output frequency of radio-frequency signal source is adjusted with dull step-by-step system, determines each output frequency
The measurement result of corresponding gear to be calibrated；
According to the measurement result of the corresponding gear to be calibrated of each output frequency and the corresponding straight-through measurement result of each output frequency, really
Fixed calibration data of the gear to be calibrated under each output frequency；
The gear to be calibrated is calibrated under each output frequency according to the calibration data.
2. the access calibration method of radio-frequency signal source according to claim 1, which is characterized in that the radio-frequency signal source
Output end connects the input terminal of a frequency spectrograph；
The access calibration method of the radio-frequency signal source, further includes:
The access gear of radio-frequency signal source is adjusted to through path gear；
Under the through path gear, with dull step-by-step system by the output frequency of radio-frequency signal source from pre-set first
Predeterminated frequency is adjusted to the second predeterminated frequency, obtains the corresponding straight-through measurement result of each output frequency by the frequency spectrograph.
3. the access calibration method of radio-frequency signal source according to claim 2, which is characterized in that the gear packet to be calibrated
Include amplification access gear and each decaying access gear.
4. the access calibration method of radio-frequency signal source according to claim 3, which is characterized in that in the gear to be calibrated
Under, the output frequency of radio-frequency signal source is adjusted with dull step-by-step system, determines the survey of the corresponding gear to be calibrated of each output frequency
Measure result, comprising:
In the case where amplifying access gear, the output frequency of radio-frequency signal source is preset from pre-set first with dull step-by-step system
Frequency is adjusted to the second predeterminated frequency, and the measurement knot of the corresponding amplification access gear of each output frequency is obtained by the frequency spectrograph
Fruit.
5. the access calibration method of radio-frequency signal source according to claim 4, which is characterized in that according to each output frequency pair
The measurement result for the gear to be calibrated answered and the corresponding straight-through measurement result of each output frequency, determine gear to be calibrated in each output
Calibration data under frequency, comprising:
According to each output frequency it is corresponding amplification access gear measurement result and the corresponding straight-through measurement result of each output frequency,
Determine calibration data of the amplification access gear under each output frequency；Calibration of the amplification access gear under each output frequency
Data are F=A-P；Wherein, F is the calibration data for amplifying access gear under an output frequency；A is under corresponding output frequency
Amplify the measurement result of access gear；P is the straight-through measurement result under corresponding output frequency.
6. the access calibration method of radio-frequency signal source according to claim 5, which is characterized in that according to the calibration data
The gear to be calibrated is calibrated under each output frequency, comprising:
According to amplification access gear the calibration data under each output frequency to the amplification access gear under each output frequency
It is calibrated.
7. the access calibration method of radio-frequency signal source according to claim 3, which is characterized in that adjust radio-frequency signal source
Access gear is to gear to be calibrated, comprising:
The access gear of radio-frequency signal source is adjusted from the first default decaying access gear with pre-set step units,
Until reaching the second default decaying access gear.
8. the access calibration method of radio-frequency signal source according to claim 7, which is characterized in that in the gear to be calibrated
Under, the output frequency of radio-frequency signal source is adjusted with dull step-by-step system, determines the survey of the corresponding gear to be calibrated of each output frequency
Measure result, comprising:
It is with dull step-by-step system that the output frequency of radio-frequency signal source is pre- from pre-set first under a decaying access gear
If frequency is adjusted to the second predeterminated frequency, the measurement of the corresponding decaying access gear of each output frequency is obtained by the frequency spectrograph
As a result.
9. the access calibration method of radio-frequency signal source according to claim 8, which is characterized in that according to each output frequency pair
The measurement result for the gear to be calibrated answered and the corresponding straight-through measurement result of each output frequency, determine gear to be calibrated in each output
Calibration data under frequency, comprising:
According to each output frequency it is corresponding decaying access gear measurement result and the corresponding straight-through measurement result of each output frequency,
Determine calibration data of the decaying access gear under each output frequency；Calibration of the decaying access gear under each output frequency
Data are S=P-T；Wherein, S is calibration data of the access gear under an output frequency of decaying；T is under corresponding output frequency
The measurement result of decaying access gear；P is the straight-through measurement result under corresponding output frequency.
10. the access calibration method of radio-frequency signal source according to claim 9, which is characterized in that according to the calibration number
It is calibrated under each output frequency according to the gear to be calibrated, comprising:
According to decaying access gear the calibration data under each output frequency to the decaying access gear under each output frequency
It is calibrated.
11. a kind of access calibrating installation of radio-frequency signal source characterized by comprising
Access gear adjustment unit, for adjusting the access gear of radio-frequency signal source to gear to be calibrated；
Output frequency adjusts unit, for adjusting the defeated of radio-frequency signal source with dull step-by-step system under the gear to be calibrated
Frequency out determines the measurement result of the corresponding gear to be calibrated of each output frequency；
Calibration data determination unit, for according to the corresponding gear to be calibrated of each output frequency measurement result and each output frequency
Corresponding straight-through measurement result determines calibration data of the gear to be calibrated under each output frequency；
Calibration unit, for being calibrated under each output frequency according to the calibration data to the gear to be calibrated.
12. the access calibrating installation of radio-frequency signal source according to claim 11, which is characterized in that the radio-frequency signal source
Output end connect a frequency spectrograph input terminal；
The access gear adjustment unit is also used to adjust the access gear of radio-frequency signal source to through path gear；
The output frequency adjusts unit, is also used under the through path gear, with dull step-by-step system by radiofrequency signal
The output frequency in source is adjusted from pre-set first predeterminated frequency to the second predeterminated frequency, is obtained by the frequency spectrograph each defeated
The corresponding straight-through measurement result of frequency out.
13. the access calibrating installation of radio-frequency signal source according to claim 12, which is characterized in that the access gear tune
Gear to be calibrated in whole unit includes amplification access gear and each decaying access gear.
14. the access calibrating installation of radio-frequency signal source according to claim 13, which is characterized in that the output frequency tune
Unit is saved, is specifically used for:
In the case where amplifying access gear, the output frequency of radio-frequency signal source is preset from pre-set first with dull step-by-step system
Frequency is adjusted to the second predeterminated frequency, and the measurement knot of the corresponding amplification access gear of each output frequency is obtained by the frequency spectrograph
Fruit.
15. the access calibrating installation of radio-frequency signal source according to claim 14, which is characterized in that the calibration data is true
Order member, is specifically used for:
According to each output frequency it is corresponding amplification access gear measurement result and the corresponding straight-through measurement result of each output frequency,
Determine calibration data of the amplification access gear under each output frequency；Calibration of the amplification access gear under each output frequency
Data are F=A-P；Wherein, F is the calibration data for amplifying access gear under an output frequency；A is under corresponding output frequency
Amplify the measurement result of access gear；P is the straight-through measurement result under corresponding output frequency.
16. the access calibrating installation of radio-frequency signal source according to claim 15, which is characterized in that the calibration unit,
It is specifically used for:
According to amplification access gear the calibration data under each output frequency to the amplification access gear under each output frequency
It is calibrated.
17. the access calibrating installation of radio-frequency signal source according to claim 13, which is characterized in that the access gear tune
Whole unit, is specifically used for:
The access gear of radio-frequency signal source is adjusted from the first default decaying access gear with pre-set step units,
Until reaching the second default decaying access gear.
18. the access calibrating installation of radio-frequency signal source according to claim 17, which is characterized in that the output frequency tune
Unit is saved, is specifically used for:
It is with dull step-by-step system that the output frequency of radio-frequency signal source is pre- from pre-set first under a decaying access gear
If frequency is adjusted to the second predeterminated frequency, the measurement of the corresponding decaying access gear of each output frequency is obtained by the frequency spectrograph
As a result.
19. the access calibrating installation of radio-frequency signal source according to claim 18, which is characterized in that the calibration data is true
Order member, is specifically used for:
According to each output frequency it is corresponding decaying access gear measurement result and the corresponding straight-through measurement result of each output frequency,
Determine calibration data of the decaying access gear under each output frequency；Calibration of the decaying access gear under each output frequency
Data are S=P-T；Wherein, S is calibration data of the access gear under an output frequency of decaying；T is under corresponding output frequency
The measurement result of decaying access gear；P is the straight-through measurement result under corresponding output frequency.
20. the access calibrating installation of radio-frequency signal source according to claim 19, which is characterized in that the calibration unit,
It is specifically used for:
According to decaying access gear the calibration data under each output frequency to the decaying access gear under each output frequency
It is calibrated.
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