CN102570982B - The method and apparatus of coupling channels of double-channel signal source - Google Patents
The method and apparatus of coupling channels of double-channel signal source Download PDFInfo
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Abstract
The embodiment of the present invention provides a kind of method and apparatus of coupling channels of double-channel signal source, and method comprises: select a passage as reference channel, another passage is as non-reference channel; Set difference on the frequency or phase difference between described reference channel and described non-reference channel; Carry out the frequency of non-reference channel described in synchronous change according to the change of reference channel frequency, ensure that the difference between the frequency of described non-reference channel and the frequency of reference channel is the difference on the frequency of setting; Or carry out the phase place of non-reference channel described in synchronous change according to the change of reference channel frequency plot, ensure that the difference between the phase place of described non-reference channel and the phase place of reference channel is the phase difference of setting. The double-channel signal source of the embodiment of the present invention can provide frequency couple and phase coupling estimation function simultaneously, simplifies the complexity of same-phase operation, has saved the operating time, and can meet various coupling demands.
Description
Technical field
The present invention relates to signal field occurs, especially relate to a kind of side of coupling channels of double-channel signal sourceMethod and device.
Background technology
Passage coupling refers between two or more passages interrelated to one with certain relation or parameterWork to form closely cooperating and influencing each other, after changing, other passages are also along with one for one of them channel parametersRise and change, such as frequency couple, phase coupling estimation etc.
On double-channel signal source, also do not propose at present the concept of passage coupling, only Tyke AFG3000 is twoOn channel signal source, configure the function of " frequency equates ", belonged to the special side of one of our frequency coupleFormula, difference on the frequency is zero.
At least there is following defect in visible prior art:
1, all can need to use the two paths of signals of fixed skew due to the inside, many fields, but existing twoOn channel signal source and have the function of phase coupling estimation, therefore can only ceaselessly adjust in use two passagesPhase place, to keep the phase difference value of two passages, and after EO, also to carry out synchronous operation,Use procedure is quite loaded down with trivial details.
2, prior art in " frequency equate " function too dull, cannot meet various demands.
Summary of the invention
The object that the embodiment of the present invention provides be to provide a kind of coupling channels of double-channel signal source method andDevice, is used to double-channel signal source that frequency couple and phase coupling estimation function are provided simultaneously, simplifies same-phaseThe complexity of operation, meets various coupling demands.
On the one hand, the embodiment of the present invention provides a kind of method of coupling channels of double-channel signal source, the partyMethod comprises: select a passage as reference channel, another passage is as non-reference channel; Set instituteState difference on the frequency or phase difference between reference channel and described non-reference channel; According to changing of reference channel frequencyBecome the frequency of carrying out non-reference channel described in synchronous change, ensure that the frequency of described non-reference channel and benchmark are logicalDifference between the frequency in road is the difference on the frequency of setting; Or synchronously change according to the change of reference channel phase placeBecome the phase place of described non-reference channel, ensure the phase place of described non-reference channel and the phase place of reference channel itBetween difference be set phase difference.
Preferably, the present invention selects a passage to comprise as reference channel in strength: select frequency orThe little passage of phase place is as reference channel.
Preferably, the method for inventive embodiments does not also comprise: judge described non-reference channel frequency or phase placeThe scope that whether exceeds described non-reference channel frequency or phase place after change, if exceed, is set to frequencyOr the threshold value of phase range display alarm information.
On the other hand, the embodiment of the present invention also provides a kind of device of coupling channels of double-channel signal source,Comprise: selected cell, for selecting a passage as reference channel, another passage is as non-benchmarkPassage; Setup unit, for setting difference on the frequency or the phase between described reference channel and described non-reference channelPotential difference; Lock unit, for carrying out non-reference channel described in synchronous change according to the change of reference channel frequencyFrequency, ensure that difference between the frequency of described non-reference channel and the frequency of reference channel is what setDifference on the frequency; Or for carry out the phase place of non-reference channel described in synchronous change according to the change of reference channel phase place,Ensure that the difference between the phase place of described non-reference channel and the phase place of reference channel is the phase difference of setting.
Preferably, in the embodiment of the present invention, selected cell is done specifically for selection frequency or the little passage of phase placeFor reference channel.
Preferably, the embodiment of the present invention also comprises: judging unit, and for judging described non-reference channel frequentlyAfter rate or phase change, whether exceed the scope of described non-reference channel frequency or phase place; Alarm unit, usesIn in the time that described judging unit judgement goes beyond the scope, display alarm information; Described lock unit is also for working asWhen judging unit judgement goes beyond the scope, the frequency of non-reference channel or phase place are set to frequency or phase place modelThe threshold value of enclosing.
On the other hand, the embodiment of the present invention also provides a kind of double-channel signal source, comprising: first passage,Second channel and device as above.
Preferably, the embodiment of the present invention also comprises: couple state modifier, is used to open or close logicalRoad coupling.
Preferably, in the embodiment of the present invention, couple state modifier comprises: the first judging unit, forThe couple state modify instruction that judges user is opened passage coupling or closing passage coupling; Remove unit,While coupling for be judged as closing passage when described the first judging unit, remove described first passage and secondInterchannel couple state; The second judging unit, for when described the first judging unit be judged as open logicalWhen road is coupled, judge that coupling type is frequency couple or phase coupling estimation; Described lock unit is also for working asAfter described the second judging unit judgement finishes, carry out frequency couple or phase coupling estimation.
Preferably, the embodiment of the present invention also comprises: coupling type modifier, and for revising passage couplingType.
Preferably, in the embodiment of the present invention, coupling type modifier comprises: the first judging unit, forJudgement is to switch to phase coupling estimation or switch to frequency couple from phase coupling estimation from frequency couple; First repaiiesChange unit, for removing frequency couple, amendment coupling type is phase coupling estimation; The second amendment unit, usesIn removing phase coupling estimation, amendment coupling type is frequency couple; The second judging unit, for judging couplingWhether open; Described lock unit also, in the time that described the second judging unit judgement coupling is opened, carries outFrequency couple or phase coupling estimation.
Preferably, the embodiment of the present invention also comprises: difference on the frequency modifier and/or phase difference modifier,Described difference on the frequency modifier is for Modification Frequency coupling two interchannel difference on the frequencies, and described phase difference is repaiiedRepacking is put for revising the interchannel phase difference of phase coupling estimation two.
Preferably, embodiment of the present invention intermediate frequency rate variance modifier comprises: the first judging unit, and for sentencingWhether disconnected amended difference on the frequency is in the scope of positive negative system maximum frequency values; The first prompting setting unit,For in the time that amended difference on the frequency exceeds the scope of positive negative system maximum frequency values, difference on the frequency is set toPositive system maximum frequency values or negative system maximum frequency values, and carry out information indicating; The second judging unit,Whether determination frequency coupling opens; Described lock unit is also for working as described the second judging unit determination frequencyWhen coupling is opened, carry out frequency couple; Described phase difference modifier comprises: the 3rd judging unit, useIn judging that amended phase difference is whether in the scope of-360 °～+ 360 °; The second prompting setting unit,For in the time that amended phase difference exceeds the scope of-360 °～+ 360 °, phase difference is set to-360° or+360 °, and carry out information indicating; The 4th judging unit, judges whether phase coupling estimation is opened; InstituteState lock unit also in the time that described the 4th judging unit judges that phase coupling estimation is opened, carry out phase coupling estimation.
Preferably, the embodiment of the present invention also comprises: frequency modification device and/or phase modification device, described inFrequency modification device is for revising the frequency values of reference channel, and described phase modification device is used for revising benchmarkThe phase value of passage.
Preferably, embodiment of the present invention medium frequency modifier comprises: the first judging unit, and for judgementWhether frequency couple is opened; The second judging unit, for being coupled when described the first judging unit determination frequencyWhile opening, whether determination frequency is revised for reference channel; The first verification setting unit, for working as firstWhen judging unit determination frequency coupling is opened or when described the second judging unit determination frequency amendment be forWhen reference channel, verify that amended channel frequence is whether in the scope of channel frequence value, if exceed,The threshold value that is frequency range by set of frequency; Described lock unit is also for working as described the second judging unitDetermination frequency amendment is during for reference channel, carries out frequency couple; Described phase modification device comprises:The 3rd judging unit, for judging whether phase coupling estimation is opened; The 4th judging unit, for when described theThree judging units judge when phase coupling estimation is opened, and judge that whether phase modification is for reference channel; Second testsCard setting unit, in the time that the 3rd judging unit judges that phase coupling estimation is opened or when described the 4th judgementUnit judges phase modification is during for reference channel, verifies that whether amended channel phases is-360°～scope of+360 ° in, if exceed, phase place be set to-360 ° or+360 °; Described synchronousUnit is also for judging that when described the 4th judging unit phase modification is during for reference channel, carries out phase placeCoupling.
The double-channel signal source of the embodiment of the present invention can provide frequency couple and phase coupling estimation function simultaneously,Simplify the complexity of same-phase operation, saved the operating time, and can meet various coupling demands.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,Do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The method flow signal of a kind of coupling channels of double-channel signal source that Fig. 1 provides for the embodiment of the present inventionFigure;
Fig. 2 shows for the method flow of the another kind of coupling channels of double-channel signal source that the embodiment of the present invention providesIntention;
The apparatus structure signal of a kind of coupling channels of double-channel signal source that Fig. 3 provides for the embodiment of the present inventionFigure;
Fig. 4 shows for the apparatus structure of the another kind of coupling channels of double-channel signal source that the embodiment of the present invention providesIntention;
The structural representation in a kind of double-channel signal source that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of couple state modifier that Fig. 6 provides for the embodiment of the present invention;
A kind of couple state modification process schematic diagram that Fig. 7 provides for the embodiment of the present invention;
The structural representation of a kind of coupling type modifier that Fig. 8 provides for the embodiment of the present invention;
A kind of coupling type modification process schematic diagram that Fig. 9 provides for the embodiment of the present invention;
The structural representation of a kind of difference on the frequency modifier that Figure 10 provides for the embodiment of the present invention;
The structural representation of a kind of phase difference modifier that Figure 11 provides for the embodiment of the present invention;
A kind of difference on the frequency modification process schematic diagram that Figure 12 provides for the embodiment of the present invention;
The structural representation of a kind of frequency modification device that Figure 13 provides for the embodiment of the present invention;
The structural representation of a kind of phase modification device that Figure 14 provides for the embodiment of the present invention;
A kind of frequency modification schematic flow sheet that Figure 15 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
Be illustrated in figure 1 the method stream of a kind of coupling channels of double-channel signal source that the embodiment of the present invention providesJourney schematic diagram, in the present embodiment, passage coupling comprises frequency couple and phase coupling estimation, due to frequency couplingClose with phase coupling estimation situation similarly, therefore as an example of frequency couple example, the present invention is carried out in the present embodimentDescribe, the situation of phase coupling estimation can be referring to the description of frequency couple, and the method comprises:
S101: select a passage as reference channel, another passage is as non-reference channel. At thisIn embodiment, under couple state, only have the frequency of reference channel to change, the frequency of non-reference channel withThe change of reference channel frequency and change, specifically, the frequency of non-reference channel is logical with benchmark all the timeThe frequency in road keeps certain difference on the frequency.
S102: set the difference on the frequency between described reference channel and described non-reference channel.
In embodiments of the present invention, except the frequency of reference channel can arrange, reference channel and Fei JiAccurate interchannel difference on the frequency also can freely arrange. Difference on the frequency between said reference passage and reference channel shouldBe somebody's turn to do within the scope of positive negative system maximum frequency values, such as-100MHz～+ 100MHz ,-250MHz～+ 250MHZ etc. It is pointed out that the phase difference between reference channel and reference channel should when for phase coupling estimationIn the scope of-360 °～+ 360 °.
As one embodiment of the present of invention, when the difference on the frequency of setting in this step exceeds positive negative system maximumWhen frequency values scope, can be using the threshold value of system frequency scope as difference on the frequency, such as, work as system frequencyScope is-when 100MHz～+ 100MHz, if the difference on the frequency arranging is while being 120MHz, taking 100MHz asThe difference on the frequency of setting, if the difference on the frequency arranging be-130MHz, the difference on the frequency taking-100MHz as setting.In addition, in the time that the difference on the frequency of setting in this step exceeds positive negative system maximum frequency values scope, can also send outGo out information or warning information and remind operating personnel.
It is pointed out that in the time that difference on the frequency is set to negative value, select the larger passage of frequency as benchmarkPassage, and when difference on the frequency be set on the occasion of time, select the less passage of frequency as reference channel.
S103: carry out the frequency of non-reference channel described in synchronous change according to the change of reference channel frequency, protectThe difference of demonstrate,proving between the frequency of described non-reference channel and the frequency of reference channel is the difference on the frequency of setting.
Only it is pointed out that in the embodiment of the present invention when two passages be basic wave (such as sinusoidal wave,Square wave, sawtooth waveforms, random wave) time can carry out frequency couple or phase coupling estimation, and when arbitrarilyRipple is " direct current signal " when " DC ", can not carry out frequency couple or phase coupling estimation. In addition,Frequency couple and phase coupling estimation can only carry out separately, and can not carry out frequency couple and phase coupling estimation simultaneously.
The double-channel signal source of the embodiment of the present invention can provide frequency couple and phase coupling estimation function simultaneously,Simplify the complexity of same-phase operation, saved the operating time, and can meet various coupling demands.
Be illustrated in figure 2 the method for the another kind of coupling channels of double-channel signal source that the embodiment of the present invention providesSchematic flow sheet, the situation of phase coupling estimation can be referring to the description of frequency couple, and the method comprises:
S201: select the little passage of frequency as reference channel, another passage is as non-reference channel.
In the present embodiment, the mode of frequency couple is on reference channel, to add a positive difference on the frequency,The frequency that is used as non-reference channel with this is therefore selected the passage that frequency is little in this inventive embodimentsAs reference channel.
S202: set the difference on the frequency between described reference channel and described non-reference channel.
S203: the difference on the frequency that judgement is set exceeds the scope of positive negative system maximum frequency values, if exceedEnter step S204, otherwise enter step S205.
S204: difference on the frequency is set to positive system maximum frequency values or negative system maximum frequency values, and carries outInformation indicating. Specifically, be in the time that the difference on the frequency of setting is greater than positive system maximum frequency values, by frequencyThe poor positive system maximum frequency values that is set to, and in the time that the difference on the frequency of setting is less than negative system maximum frequency values,Difference on the frequency is set to negative system maximum frequency values.
S205: carry out the frequency of non-reference channel described in synchronous change according to the change of reference channel frequency, protectThe difference of demonstrate,proving between the frequency of described non-reference channel and the frequency of reference channel is the difference on the frequency of setting.
Step S202-S205 can, referring to the description of previous embodiment, not repeat them here.
S206: whether exceed non-reference channel frequency range after judging non-reference channel frequency shift, if superGoing out, is frequency range threshold value by non-reference channel set of frequency, and display alarm information.
Because the mode of frequency couple of the present invention is to add a positive difference on the frequency on reference channel, thereforeAs long as whether exceed the maximum tolerance frequency of non-reference channel after judging non-reference channel frequency shift, if be greater than,Be maximum tolerance frequency by non-reference channel set of frequency, add frequently otherwise be set to reference channel frequencyNumerical value after rate variance.
The double-channel signal source of the embodiment of the present invention can provide frequency couple and phase coupling estimation function simultaneously,Simplify the complexity of same-phase operation, saved the operating time, and can meet various coupling demands.
Be illustrated in figure 3 the device knot of a kind of coupling channels of double-channel signal source that the embodiment of the present invention providesStructure schematic diagram, in the embodiment of the present invention, unit is to describe as an example of frequency couple example, for phase placeCoupling is suitable for too, and this passage coupling device 300 comprises: selected cell 301, setup unit 302 andLock unit 303, wherein setup unit 302 is connected with selected cell 301 and lock unit 303 respectively.
Selected cell 301 is for selecting a passage as reference channel, and another passage is as non-benchmarkPassage. In the present embodiment, only have the frequency of reference channel to change under couple state, non-benchmark is logicalThe frequency in road changes along with the change of reference channel frequency, and specifically, the frequency of non-reference channel beginsFrequency whole and reference channel keeps certain difference on the frequency.
Setup unit 302 is for setting the difference on the frequency between reference channel and non-reference channel. Real in the present inventionExecute in example, except the frequency of reference channel can arrange, the frequency between reference channel and non-reference channelThe poor setup unit 302 that also can pass through freely arrange. Difference on the frequency between said reference passage and reference channelShould be within the scope of positive negative system maximum frequency values, such as-100MHz～+ 100MHz ,-250MHz～+ 250MHz etc. It is pointed out that, when for phase coupling estimation, the phase difference between reference channel and reference channel shouldShould be in the scope of-360 °～+ 360 °.
As one embodiment of the present of invention, the difference on the frequency of setting as user exceeds positive negative system peak frequencyWhen value scope, setup unit 302 can be using frequently maximum positive system or negative system peak frequency as difference on the frequency,Such as, when system frequency scope be-when 100MHz～+ 100MHz, if the difference on the frequency arranging is while being 120MHz,The difference on the frequency taking 100MHz as setting, if the difference on the frequency arranging be-130MHz, with-100MHz for establishingFixed difference on the frequency. In addition, the embodiment of the present invention can also comprise a Tip element, for setting as userDifference on the frequency while exceeding positive negative system maximum frequency values scope, send information or warning information and remind behaviourDo personnel.
Lock unit 303 is for carrying out the frequency of the non-reference channel of synchronous change according to the change of reference channel frequencyRate, ensures that the difference between the frequency of non-reference channel and the frequency of reference channel is the difference on the frequency of setting.
Only it is pointed out that in the embodiment of the present invention when two passages be basic wave (such as sinusoidal wave,Square wave, sawtooth waveforms, random wave) time can carry out frequency couple or phase coupling estimation, and when arbitrarilyWhen ripple is " DC ", can not carry out frequency couple or phase coupling estimation. In addition, 303 of lock unitsFrequency couple or phase coupling estimation can be carried out separately, and frequency couple and phase coupling estimation can not be carried out simultaneously.
The double-channel signal source of the embodiment of the present invention can provide frequency couple and phase coupling estimation function simultaneously,Simplify the complexity of same-phase operation, saved the operating time, and can meet various coupling demands.
Be illustrated in figure 4 the device of the another kind of coupling channels of double-channel signal source that the embodiment of the present invention providesStructural representation, in the embodiment of the present invention, unit is to describe as an example of frequency couple example, for phasePosition coupling is suitable for too, and this device comprises: selected cell 401, setup unit 402, the first judgement listUnit 403, Tip element 404, lock unit 405, the second judging unit 406 and alarm unit 407,Wherein setup unit 402 is connected with selected cell 401 and the first judging unit 403 respectively, the first judgementUnit 403 is connected with Tip element 404 and lock unit 405 respectively, and the second judging unit 406 respectivelyBe connected with lock unit 405 and alarm unit 407.
Selected cell 401 is for selecting passage that frequency is little as reference channel, and another passage is as non-Reference channel. In the present embodiment, the mode of frequency couple or phase coupling estimation is to add on reference channelA positive difference on the frequency, the frequency using this as non-reference channel is therefore selected in this inventive embodimentsSelecting unit 401 selects passage that frequency is little as reference channel.
Setup unit 402 is for setting the difference on the frequency between reference channel and non-reference channel.
The first judging unit 403 is for judging whether the difference on the frequency of setting exceeds positive negative system maximum frequency valuesScope, if the setup unit 402 that goes beyond the scope is made positive system peak frequency or negative system peak frequencyFor the difference on the frequency of setting, and carry out information indicating by Tip element 404.
Lock unit 405 carrys out the frequency of non-reference channel described in synchronous change according to the change of reference channel frequencyRate, ensures that the difference between the frequency of non-reference channel and the frequency of reference channel is the difference on the frequency of setting.
Whether the second judging unit 406 exceeds non-reference channel after judging non-reference channel frequency shiftFrequency range, if exceed, is frequency range threshold by lock unit 405 by non-reference channel set of frequencyValue, and by alarm unit 407 display alarm information.
Because the mode of frequency couple of the present invention is to add a positive difference on the frequency on reference channel, thereforeAs long as whether exceed the maximum tolerance frequency of non-reference channel after judging non-reference channel frequency shift, if be greater than,Be maximum tolerance frequency by non-reference channel set of frequency, add frequently otherwise be set to reference channel frequencyNumerical value after rate variance.
The double-channel signal source of the embodiment of the present invention can provide frequency couple and phase coupling estimation function simultaneously,Simplify the complexity of same-phase operation, saved the operating time, and can meet various coupling demands.
Be illustrated in figure 5 the structural representation in a kind of double-channel signal source that the embodiment of the present invention provides, thisIn inventive embodiments, unit is to describe as an example of frequency couple example, suitable too for phase coupling estimationWith, this double-channel signal source comprises: first passage 510, second channel 520 and passage coupling device 530,Passage coupling device 530 is connected with first passage 510 and second channel 520 respectively.
Passage coupling device 530 can be at first passage 510 and passage of the interior selection of second channel 520As reference channel, another passage is as non-reference channel, and makes first passage 510 and second channel 5Between 20, can carry out frequency couple. Passage coupling device 530 can be as Fig. 3 or the corresponding embodiment of Fig. 4Arbitrary device, do not repeat them here.
As one embodiment of the present of invention, this double-channel signal source can also comprise couple state amendment dressPut 540, coupling type modifier 550, difference on the frequency modifier 560, phase difference modifier 570,One or more devices in frequency modification device 580, phase modification device 590. Below to as above variousDevice is illustrated respectively.
Couple state modifier 540 is used to open or close passage coupling, it is pointed out that at couplingClose status modifier device 540 and open before coupling, need to be logical by the first selected reference of passage coupling device 530Road, after coupling is opened, just can not revise reference channel by passage coupling device 530.
Be illustrated in figure 6 the structural representation of a kind of couple state modifier that the embodiment of the present invention provides,Comprise: the first judging unit 541, releasing unit 542 and the second judging unit 543, the first judging units541 are connected with releasing unit 542 and the second judging unit 543 respectively.
The first judging unit 541 is for judging that user's couple state modify instruction is also to open passage couplingIt is closing passage coupling.
Remove unit 542 for be judged as closing passage when coupling when the first judging unit 541, releasing theCouple state between one passage 510 and second channel 520 does not show coupling in the present embodiment Fig. 5Close the direct connection relational between status modifier device 540 and first passage 510 and second channel 520, butTo will be appreciated that removing unit 542 can remove first passage 51 directly or indirectly as a control module0 and second channel 520 between couple state.
When the second judging unit 543 is opened passage coupling for being judged as when the first judging unit 541, sentenceDisconnected coupling type is frequency couple or phase coupling estimation. Lock unit in passage coupling device 530 is also usedAfter finishing when the second judging unit 543 judgements, carry out frequency couple or phase coupling estimation.
Due in the time that passage coupling is opened, coupling can come into force, therefore couple state modifier 540With passage coupling device 530 can be according to coupling type, reference channel parameter (frequency or phase place) andCoupling difference (difference on the frequency or phase difference) is carried out coupling processing. And in the time closing coupling, couple state is repaiiedRepacking is put 540 and can be removed immediately two interchannel coupled relations, but can't revise current coupling parameter.
Below couple state modification process is conducted further description, be illustrated in figure 7 the invention processA kind of couple state modification process schematic diagram that example provides, as shown in FIG., this modification process comprises as followsStep:
S701: reception user revises the instruction of couple state.
S702: judge that the instruction that user revises couple state opens coupling or close coupling, if beatOpen coupling and enter S704, enter S703 if close coupling.
S703: remove two interchannel coupled relations and finish this operation.
S704: open two interchannel couplings, and enter S705.
S705: judge that coupling type is frequency couple or phase coupling estimation, if frequency couple entersS706, if phase coupling estimation enters S707.
S706: whether judgment standard source is first passage (CH1), if CH1, carry out step S7061～S7063, otherwise carry out step S7064～S7066. Step S7061～S7063 is respectively: revise non-baseThe frequency F2=F1+Fdev of accurate passage, wherein F2 is the frequency of second channel (CH2), F1 is CH1Frequency, Fdev is the difference on the frequency of setting; Whether checking F2 is greater than the peak frequency F2max of CH2, if largeIn, F2 is made as to F2max, and provides warning message; According to the situation configuration CH2 of S7061-S7062Frequency F2. Step S7064～S7066 is respectively: revise the frequency F1=F2+Fdev of non-reference channel,Wherein F2 is the frequency of second channel (CH2), the frequency that F1 is CH1, and Fdev is the difference on the frequency of setting;Whether checking F1 is greater than the peak frequency F1max of CH1, if be greater than, F1 is made as to F1max, and givesGo out warning message; According to the frequency F1 of the situation configuration CH1 of S7064-S7065.
S707: whether judgment standard source is first passage (CH1), if CH1, carry out step S7071～S7073, otherwise carry out step S7074～S7076. Step S7061～S7063 is respectively: revise non-baseThe phase place P2=P1+Pdev of accurate passage, wherein P2 is the phase place of second channel (CH2), P1 is CH1Phase place, Pdev is the phase difference of setting; Whether checking P2 is greater than the maximum phase P2max of CH2, if largeIn, C2 is made as to P2max, and provides warning message; According to the situation configuration CH2 of S7071-S7072Phase place P2. Step S7074～S7076 is respectively: revise the phase place P1=P2+Pdev of non-reference channel,Wherein P2 is the phase place of second channel (CH2), the phase place that P1 is CH1, and Pdev is the phase difference of setting;Whether checking P1 is greater than the maximum phase P1max of CH1, if be greater than, P1 is made as to P1max, and givesGo out warning message; According to the phase place P1 of the situation configuration CH1 of S7074-S7075.
Coupling type modifier 550 is for revising passage coupling type, in the present embodiment, and passage couplingClose type and be divided into frequency couple and phase coupling estimation.
Be illustrated in figure 8 the structural representation of a kind of coupling type modifier that the embodiment of the present invention provides,Comprise: the first judging unit 551, the first amendment unit 552, the second amendment unit 553 and the second judgementUnit 554, wherein the first judging unit 551 respectively with the first amendment unit 552 and the second amendment unit553 are connected, and the second judging unit 554 is respectively with the first amendment unit 552 and the second amendment unit 553 alsoBe connected.
The first judging unit 551 is to switch to phase coupling estimation or from phase place coupling from frequency couple for judgementClose and switch to frequency couple.
The first amendment unit 552 is for judging it is to switch to phase from frequency couple when the first judging unit 551When position is coupled, remove frequency couple, amendment coupling type is phase coupling estimation.
The second amendment unit 553 is for judging it is to switch to frequently from phase coupling estimation when the first judging unit 551When rate coupling, remove phase coupling estimation, amendment coupling type is frequency couple.
The second judging unit 554 is revised coupling for revising unit 553 when the first amendment unit 552 or secondAfter closing type, judge whether coupling opens.
Lock unit in passage coupling device 530 is also for beating when the second judging unit 554 judgement couplingsWhile opening, carry out frequency couple or phase coupling estimation. Because the amendment of coupling type can at any time be carried out,Therefore, if carry out coupling type amendment when coupling is opened, after amendment, can come into force, logicalRoad coupling device 530 can be according to coupling type, reference channel parameter (frequency or phase place) and couplingDifference (difference on the frequency or phase difference) is carried out coupling processing.
Below coupling type modification process is conducted further description, be illustrated in figure 9 the invention processA kind of coupling type modification process schematic diagram that example provides, as shown in FIG., this modification process comprises as followsStep:
S901: reception user revises the instruction of coupling type.
S902: judgement is to switch to phase coupling estimation or switch to frequency coupling from phase coupling estimation from frequency coupleClose, if switch to phase coupling estimation, enter step S903, otherwise enter step S906.
S903: remove frequency couple, amendment coupling type is phase coupling estimation.
S904: judge that whether coupling opens, and enters S905 if open, otherwise finishes this operation.
S905: whether judgment standard source is first passage (CH1), if CH1, carry out step S9051～S9053, otherwise carry out step S9054～S9056. Step S9051～S9053 is respectively: revise non-baseThe phase place P2=P1+Pdev of accurate passage, wherein P2 is the phase place of second channel (CH2), P1 is CH1Phase place, Pdev is the phase difference of setting; Whether checking P2 is greater than the maximum phase P2max of CH2, if largeIn, C2 is made as to P2max, and provides warning message; According to the situation configuration CH2 of S9051-S9052Phase place P2. Step S9054～S9056 is respectively: revise the phase place P1=P2+Pdev of non-reference channel,Wherein P2 is the phase place of second channel (CH2), the phase place that P1 is CH1, and Pdev is the phase difference of setting;Whether checking P1 is greater than the maximum phase P1max of CH1, if be greater than, P1 is made as to P1max, and givesGo out warning message; According to the phase place P1 of the situation configuration CH1 of S9054-S9055.
S906: remove phase coupling estimation, amendment coupling type is frequency couple.
S907: judge that whether coupling opens, and enters S908 if open, otherwise finishes this operation.
S908: whether judgment standard source is first passage (CH1), if CH1, carry out step S9081～S9083, otherwise carry out step S9084～S9086. Step S9081～S9083 is respectively: revise non-baseThe frequency F2=F1+Fdev of accurate passage, wherein F2 is the frequency of second channel (CH2), F1 is CH1Frequency, Fdev is the difference on the frequency of setting; Whether checking F2 is greater than the peak frequency F2max of CH2, if largeIn, F2 is made as to F2max, and provides warning message; According to the situation configuration CH2 of S9081-S9082Frequency F2. Step S9084～S9086 is respectively: revise the frequency F1=F2+Fdev of non-reference channel,Wherein F2 is the frequency of second channel (CH2), the frequency that F1 is CH1, and Fdev is the difference on the frequency of setting;Whether checking F1 is greater than the peak frequency F1max of CH1, if be greater than, F1 is made as to F1max, and givesGo out warning message; According to the frequency F1 of the situation configuration CH1 of S9084-S9085.
Difference on the frequency modifier 560 is for Modification Frequency coupling two interchannel difference on the frequencies, and phase difference is repaiiedRepacking puts 570 for revising the interchannel phase difference of phase coupling estimation two.
The structural representation of a kind of difference on the frequency modifier providing for the embodiment of the present invention as shown in figure 10,This difference on the frequency modifier 560 comprises: the first judging unit 561, the first prompting setting unit 562 and theTwo judging unit 563, the first judging unit 561 respectively with the first prompting setting units 562 and the second judgementUnit 563 is connected.
The first judging unit 561 is for judging that whether amended difference on the frequency is in positive negative system maximum frequency valuesScope in.
The first prompting setting unit 562 is for exceeding positive negative system maximum frequency values when amended difference on the frequencyScope time, difference on the frequency is set to the threshold value of system frequency value, and carries out information indicating.
Whether the second judging unit 563 is opened for determination frequency coupling after setting when difference on the frequency.
Lock unit in passage coupling device 530 is also for beating when the second judging unit 563 judgement couplingsWhile opening, carry out frequency couple or phase coupling estimation. Because the amendment of difference on the frequency can at any time be carried out,Therefore, if carry out coupling type amendment when coupling is opened, after amendment, can come into force, logicalRoad coupling device 530 can be according to coupling type, reference channel parameter (frequency or phase place) and couplingDifference (difference on the frequency or phase difference) is carried out coupling processing.
The structural representation of a kind of phase difference modifier providing for the embodiment of the present invention as shown in figure 11,This phase difference modifier 570 comprises: the 3rd judging unit 571, the second prompting setting unit 572 and theFour judging unit 573, the three judging unit 571 respectively with the second prompting setting units 572 and the 4th judgementUnit 573 is connected. The effect of unit and difference on the frequency modifier 5 in this phase difference modifier 57060 is similar, just frequency changed and made phase place, do not repeat them here.
A kind of difference on the frequency modification process schematic diagram providing for the embodiment of the present invention as shown in figure 12, due to phasePotential difference amendment and difference on the frequency amendment are similar, therefore can, referring to the modification process schematic diagram of difference on the frequency, be somebody's turn to doDifference on the frequency modification process comprises the steps:
S121: receive the poor instruction of user's Modification Frequency.
S122: judge whether the difference on the frequency Fdev that user sets is greater than system peak frequency Fmax, at thisThe frequency of bright embodiment reference channel is less, and difference on the frequency is positive number, therefore as long as judge that user setsDifference on the frequency whether be greater than system peak frequency, if be greater than, enter step S123, enter if be not more thanStep S124.
S123: difference on the frequency is set as to system peak frequency Fmax, and provides information.
S124: judge that whether coupling opens, if open, enters step S125, otherwise finishes this behaviourDo.
S125:: whether judgment standard source is first passage (CH1), if CH1, carry out step S1251～S1253, otherwise carry out step S1254～S1256. Step S1251～S1253 is respectively: revise non-baseThe frequency F2=F1+Fdev of accurate passage, wherein F2 is the frequency of second channel (CH2), F1 is CH1Frequency, Fdev is the difference on the frequency of setting; Whether checking F2 is greater than the peak frequency F2max of CH2, if largeIn, F2 is made as to F2max, and provides warning message; According to the situation configuration CH2 of S1251-S1252Frequency F2. Step S1254～S1256 is respectively: revise the frequency F1=F2+Fdev of non-reference channel,Wherein F2 is the frequency of second channel (CH2), the frequency that F1 is CH1, and Fdev is the difference on the frequency of setting;Whether checking F1 is greater than the peak frequency F1max of CH1, if be greater than, F1 is made as to F1max, and givesGo out warning message; According to the frequency F1 of the situation configuration CH1 of S1254-S1255.
Frequency modification device 580 is for revising the frequency values of reference channel, and phase modification device is for amendmentThe phase value of reference channel.
The structural representation of a kind of frequency modification device providing for the embodiment of the present invention as shown in figure 13, shouldFrequency modification device 580 comprises: the first judging unit 581, the second judging unit 582 and the first checking are establishedPut 583, the first judging unit 581 respectively with the second judging units 582 and the first verification setting unit, unit583 are connected, and the second judging unit 582 is connected with the first verification setting unit 583.
Whether the first judging unit 581 is opened for determination frequency coupling.
The second judging unit 582, in the time that the first judging unit 581 determination frequency couplings are opened, judgesWhether frequency modification is for reference channel.
The first verification setting unit 583 in the time that the first judging unit 581 determination frequency couplings are opened orPerson, when the second judging unit 582 determination frequency amendments are during for reference channel, verifies amended passageFrequency whether in the scope of frequency values, if exceed, the threshold value that is frequency range by set of frequency.
Passage coupling device 530 inter-sync unit are also for revising when the second judging unit 582 determination frequencyBe during for reference channel, carry out frequency couple.
The structural representation of a kind of phase modification device providing for the embodiment of the present invention as shown in figure 14, shouldPhase modification device 590 comprises: the 3rd judging unit 591, the 4th judging unit 592 and the second checking are establishedPut 593, the three judging unit 591 the respectively with four judging unit 592 and the second verification setting unit, unit593 are connected, and the 4th judging unit 592 is connected with the second verification setting unit 593. This phase modification deviceIn 590, the effect of unit and frequency modification device 580 are similar, and just frequency is changed and made phase place,This repeats no more.
A kind of frequency modification schematic flow sheet providing for the embodiment of the present invention as shown in figure 15, due to phase placeAmendment and frequency modification are similar, therefore can be referring to the modification process schematic diagram of frequency, this frequency modificationFlow process comprises the steps:
S151: receive the instruction of user's Modification Frequency.
S152: whether determination frequency coupling opens, and enters S153, otherwise enter S159 if open.
S153: whether determination frequency is revised for reference channel, if for reference channel, enters S154,Otherwise enter S158.
S154: checking is worked as prepass (being reference channel) frequency Fb and whether is greater than passage peak frequency Fbmax,This is due to less in the frequency of embodiment of the present invention reference channel, and difference on the frequency is positive number. If be greater than,Fb is made as to Fbmax and provides information.
S155: the frequency Ft=Fb+Fdev that calculates non-reference channel.
S156: verify that whether non-reference channel frequency is greater than passage peak frequency Fbmax, establishes if be greater thanFt=Fbmax, and provide information.
S157: the frequency that configures all passages according to above-mentioned steps.
S158: the non-reference channel of prompting user does not allow Modification Frequency coupling parameter.
S159: checking is worked as prepass (being reference channel) frequency Fb and whether is greater than passage peak frequency Fbmax,If be greater than, Fb be made as to Fbmax and provide information.
S160: the frequency that configures all passages.
It is pointed out that in above-described embodiment, each logical block can be both that independently function is identicalLogical block between also can to take multiplexing form to carry out multiplexing.
The double-channel signal source of the embodiment of the present invention can provide frequency couple and phase coupling estimation function simultaneously,Simplify the complexity of same-phase operation, saved the operating time, and can meet various coupling demands.Free setting can be carried out for various coupling parameters in the double-channel signal source of the embodiment of the present invention in addition, andContinue in operation to keep transfiniting prompting, be more convenient for coupling operation.
One of ordinary skill in the art will appreciate that all or part of stream of realizing in above-described embodiment methodJourney, can carry out the hardware that instruction is relevant by computer program and complete, and described program can be stored in oneIn computer read/write memory medium, this program, in the time carrying out, can comprise as the embodiment of above-mentioned each side methodFlow process. Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnLyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
Above-described detailed description of the invention, carries out object of the present invention, technical scheme and beneficial effectFurther description, institute it should be understood that the foregoing is only the specific embodiment of the present invention and, the protection domain being not intended to limit the present invention, within the spirit and principles in the present invention all, institute doesAny amendment, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (15)
1. a method for coupling channels of double-channel signal source, is characterized in that, described method comprises:
Select a passage as reference channel, another passage is as non-reference channel;
Set difference on the frequency or phase difference between described reference channel and described non-reference channel;
Carry out the frequency of non-reference channel described in synchronous change according to the change of reference channel frequency, described in guaranteeDifference between the frequency of non-reference channel and the frequency of reference channel is the difference on the frequency of setting; Or according to baseThe change of accurate channel phases carrys out the phase place of non-reference channel described in synchronous change, ensures described non-reference channelPhase place and the phase place of reference channel between difference be set phase difference.
2. the method for claim 1, is characterized in that, passage of described selection is as benchmarkPassage comprises:
The passage that selection frequency is low or phase place is little is as reference channel.
3. the method for claim 1, is characterized in that, described method also comprises:
Judge whether exceed after described non-reference channel frequency or phase change described non-reference channel frequency orThe scope of phase place, if exceed, is set to threshold value the display alarm information of frequency or phase range.
4. a device for coupling channels of double-channel signal source, is characterized in that, comprising:
Selected cell, for selecting a passage as reference channel, another passage is logical as non-benchmarkRoad;
Setup unit, for setting difference on the frequency or the phase place between described reference channel and described non-reference channelPoor;
Lock unit, for carrying out non-reference channel described in synchronous change according to the change of reference channel frequencyFrequency, ensures that the difference between the frequency of described non-reference channel and the frequency of reference channel is the frequency of settingRate variance; Or for carry out the phase place of non-reference channel described in synchronous change according to the change of reference channel phase place,Ensure that the difference between the phase place of described non-reference channel and the phase place of reference channel is the phase difference of setting.
5. device as claimed in claim 4, is characterized in that, described selected cell is specifically for selectingThe passage that frequency is low or phase place is little is as reference channel.
6. device as claimed in claim 4, is characterized in that, also comprises:
Judging unit, for judge whether exceed after described non-reference channel frequency or phase change described non-The scope of reference channel frequency or phase place;
Alarm unit, in the time that described judging unit judgement goes beyond the scope, display alarm information;
Described lock unit is also in the time that judging unit judgement goes beyond the scope, by the frequency of non-reference channelOr phase place is set to the threshold value of frequency or phase range.
7. a double-channel signal source, is characterized in that, comprising: first passage, second channel and as powerProfit requires the arbitrary described device of 4-6.
8. double-channel signal as claimed in claim 7 source, is characterized in that, also comprises:
Couple state modifier, is used to open or close passage coupling.
9. double-channel signal as claimed in claim 8 source, is characterized in that, described couple state amendmentDevice comprises:
The first judging unit, for judge user's couple state modify instruction open passage coupling orClosing passage coupling;
Remove unit, while coupling for be judged as closing passage when described the first judging unit, described in releasingCouple state between first passage and second channel;
The second judging unit, while opening passage coupling for being judged as when described the first judging unit, judgementCoupling type is frequency couple or phase coupling estimation;
Described lock unit is also for after finishing when described the second judging unit judgement, carry out frequency couple orPhase coupling estimation.
10. double-channel signal as claimed in claim 7 source, is characterized in that, also comprises:
Coupling type modifier, for revising passage coupling type.
11. double-channel signal as claimed in claim 10 sources, is characterized in that, described coupling type is repaiiedRepacking is put and is comprised:
The first judging unit is to switch to phase coupling estimation or from phase coupling estimation from frequency couple for judgementSwitch to frequency couple;
The first amendment unit, for removing frequency couple, amendment coupling type is phase coupling estimation;
The second amendment unit, for removing phase coupling estimation, amendment coupling type is frequency couple;
The second judging unit, for judging whether coupling opens;
Described lock unit also, in the time that described the second judging unit judgement coupling is opened, carries out frequency couplingClose or phase coupling estimation.
12. double-channel signal as claimed in claim 7 sources, is characterized in that, also comprise: difference on the frequencyModifier and/or phase difference modifier, described difference on the frequency modifier is for Modification Frequency coupling twoInterchannel difference on the frequency, described phase difference modifier is used for revising the interchannel phase place of phase coupling estimation twoPoor.
13. double-channel signal as claimed in claim 12 sources, is characterized in that,
Described difference on the frequency modifier comprises:
The first judging unit, for judging that amended difference on the frequency is whether in positive negative system maximum frequency valuesIn scope;
The first prompting setting unit, for exceeding positive negative system maximum frequency values when amended difference on the frequencyWhen scope, difference on the frequency is set to positive system maximum frequency values or negative system maximum frequency values, and carries out letterBreath prompting;
The second judging unit, whether determination frequency coupling opens;
Described lock unit also, in the time that described the second judging unit determination frequency coupling is opened, carries out frequencyRate coupling;
Described phase difference modifier comprises:
The 3rd judging unit, for judging that amended phase difference is whether the scope of-360 °～+ 360 °In;
The second prompting setting unit, for exceeding the scope of-360 °～+ 360 ° when amended phase differenceTime, phase difference be set to-360 ° or+360 °, and carry out information indicating;
The 4th judging unit, judges whether phase coupling estimation is opened;
Described lock unit also, in the time that described the 4th judging unit judges that phase coupling estimation is opened, carries out phasePosition coupling.
14. double-channel signal as claimed in claim 7 sources, is characterized in that, also comprise: frequency is repaiiedRepacking is put and/or phase modification device, and described frequency modification device is used for revising the frequency values of reference channel,Described phase modification device is for revising the phase value of reference channel.
15. double-channel signal as claimed in claim 14 sources, is characterized in that,
Described frequency modification device comprises:
Whether the first judging unit, open for determination frequency coupling;
The second judging unit, in the time that described the first judging unit determination frequency coupling is opened, judgement frequentlyWhether rate is revised for reference channel;
The first verification setting unit, in the time that the first judging unit determination frequency coupling is opened or work as instituteWhile stating the second judging unit determination frequency amendment and be for reference channel, verify that amended channel frequence isNo in the scope of channel frequence value, if exceed, the threshold value that is frequency range by set of frequency;
Described lock unit is also for reference channel for revising when described the second judging unit determination frequencyTime, carry out frequency couple;
Described phase modification device comprises:
The 3rd judging unit, for judging whether phase coupling estimation is opened;
The 4th judging unit, in the time that described the 3rd judging unit judges that phase coupling estimation is opened, judges phaseWhether position amendment is for reference channel;
The second verification setting unit, in the time that the 3rd judging unit judges that phase coupling estimation is opened or work as instituteState the 4th judging unit and judge that phase modification is during for reference channel, verifies that amended channel phases isNo in the scope of-360 °～+ 360 °, if exceed, phase place be set to-360 ° or+360 °;
Described lock unit is also for judging that when described the 4th judging unit phase modification is for reference channelTime, carry out phase coupling estimation.
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| CN101726664A (en) * | 2008-10-27 | 2010-06-09 | 华为技术有限公司 | Method, device and system for measuring signal phase difference |
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