CN105515583A - Atomic clock frequency and phase adjustment device, frequency detection device and phase detection device - Google Patents
Atomic clock frequency and phase adjustment device, frequency detection device and phase detection device Download PDFInfo
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- CN105515583A CN105515583A CN201510994323.1A CN201510994323A CN105515583A CN 105515583 A CN105515583 A CN 105515583A CN 201510994323 A CN201510994323 A CN 201510994323A CN 105515583 A CN105515583 A CN 105515583A
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000013078 crystal Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 16
- 230000002194 synthesizing effect Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 abstract 1
- 230000004304 visual acuity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
The invention discloses an atomic clock frequency and phase adjustment device. The atomic clock frequency and phase adjustment device includes a first isolation distribution amplifier, a frequency multiplier, a frequency integration module, a frequency divider, a frequency mixing unit loop filter and a high-stability crystal oscillator. The invention further discloses a high-resolution frequency detection device and a high-resolution phase detection device. According to the atomic clock frequency and phase adjustment device, frequency detection device and phase detection device of the invention, a homologous comparison method is utilized to perform post-frequency and phase adjustment comparison on the frequency and phase adjustment device and an HROG-5 type frequency and phase adjustment device, so that high-resolution frequency and phase detection can be completed.
Description
Technical field
The present invention relates to a kind of frequency and phase detection device, particularly relate to a kind of atomic frequency and phase adjusting apparatus and comprise frequency and the phase detection device of said apparatus.
Background technology
The basic equipment of Time keeping system is atomic clock, although the time and frequency standards that atomic clock provides has very high frequency accuracy and frequency stability, but because atomic clock exists the reason such as component ageing, variation of ambient temperature, there is the characteristic of long term drift rate, and punctual atomic clock adjusts once work with regard to not allowing again, although so just occurred that punctual atomic clock has excellent frequency characteristic, along with long-time continuous is run, the problem that punctual cumulative errors can constantly increase.
High accuracy frequency and phase adjusting apparatus are the indispensable visual plants of Time keeping system, are quite necessary to the high accuracy frequency of Time keeping system and the frequency accuracy of phase adjusting apparatus and the detection of phase accuracy.
Due to the frequency shift (FS) resolution of precise frequency and phase adjusting apparatus and phase deviation resolving power magnitude very little, direct measurement resolution is not attainable.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of atomic frequency and phase adjusting apparatus and comprises frequency and the phase detection device of said apparatus, with solve due to the frequency shift (FS) resolution of precise frequency and phase adjusting apparatus and phase deviation resolving power magnitude very little, cannot the problem of independent measurement resolving power.
For solving the problems of the technologies described above, the present invention adopts following technical proposals:
A kind of atomic frequency and phase adjusting apparatus, this device comprises:
Reference signal input;
First isolation distribution amplifier, is divided into three road 5MHz signals by the 5MHz reference signal of input;
10 times of frequency multipliers, carry out 10 times of frequencys multiplication to first via 5MHz signal;
Frequency synthesizing module, based on frequency and the phase control information of outside, using the first via 5MHz after 10 times of frequencys multiplication as clock, exports 10MHz signal;
1/1000 frequency divider, carries out 1/1000 scaling down processing to the 10MHz signal that frequency synthesizing module exports;
1/500 frequency divider, carries out 1/500 scaling down processing to the 3rd road 5MHz signal;
Mixing unit, by the second road 5MHz signal successively with 1/500 frequency division after the 10MHz signal mixing that exports of the 3rd road 5MHz signal, 5MHz signal and the frequency synthesizer after 1/1000 frequency division, export the mixed frequency signal of 10kHz;
Loop filter, for carrying out loop filtering process to the mixed frequency signal of described 10kHz;
Highly stable crystal oscillator, based on the 10kHz mixed frequency signal after loop filtering process, exports 5MHz signal.
Preferably, described frequency synthesizing module adopts frequency resolution to be 2
-48, phase resolution is 2
-14frequency synthesizer.
Preferably, described mixed endorsement unit comprises:
First frequency mixer, for by the 3rd road 5MHz signal mixing after the second road 5MHz signal and 1/500 frequency division, exports 5MHz+10kHz signal;
Second frequency mixer, for by 5MHz+10kHz signal and the mixing of outside 5MHz signal, exports 10kHz signal;
Three-mixer, the 10MHz signal mixing that the 10kHz signal for being exported by the second frequency mixer exports with the frequency synthesizer after 1/1000 frequency division, exports the mixed frequency signal of 10kHz.
Preferably, this device comprises the second isolation distribution amplifier, and the 5MHz signal for being exported by highly stable crystal oscillator is divided into three road 5MHz signals to export; Wherein, first via 5MHz signal inputs the second frequency mixer, and the second road 5MHz signal exports external equipment to.
Preferably, this device comprises synchronization module, and based on the second the 3rd road 5MHz signal and 1pps signal of sending of isolation distribution amplifier, exporting can the 1pps signal of Precision trimming.
Comprise the frequency detecting device as above-mentioned atomic frequency and phase adjusting apparatus, this frequency detecting device comprises hydrogen atomic clock, the first adjusting device, the second adjusting device and multichannel frequency measuring instrument;
Hydrogen atomic clock is connected with the first input end of the input of the first adjusting device, the input of the second adjusting device and multichannel frequency measuring instrument respectively;
The output of the first adjusting device and the output of the second adjusting device are connected with the second input of multichannel frequency measuring instrument and the 3rd input respectively;
Described first adjusting device is atomic frequency and phase adjusting apparatus as claimed in claim 1.
Preferably, described second adjusting device is HROG-5 type frequency and phase adjusting apparatus.
Comprise a phase detection device for atomic frequency described above and phase adjusting apparatus, this phase detection device comprises:
Common-view receiver, based on external signal, sends synchronous first via 1pps signal, the second road 1pps signal and the 3rd road 1pps signal;
Hydrogen atomic clock, based on first via 1pps signal, sends the 4th road 1pps signal and the 5th road 1pps signal and the 4th road 5MHz signal and the 5th road 5MHz signal;
First adjusting device, based on the second road 1pps signal and the 4th road 5MHz signal, exports first via phase adjustment signal;
Second adjusting device, based on the 3rd road 1pps signal and the 5th road 5MHz signal, exports the second road phase adjustment signal;
Very first time interval measurement counter, based on first via phase adjustment signal and the 4th road 1pps signal, obtains the first time difference measurement value;
Second time interval measurement counter, based on the second road phase adjustment signal and the 5th road 1pps signal, obtains the second time measured value;
Described first adjusting device is atomic frequency and phase adjusting apparatus as claimed in claim 1.
Preferably, described second adjusting device is HROG-5 type frequency and phase adjusting apparatus.
Beneficial effect of the present invention is as follows:
Technical scheme of the present invention due to the frequency shift (FS) resolution of precise frequency and phase adjusting apparatus and phase deviation resolving power magnitude very little, if independent measurement resolving power is not attainable, the method for Homology search is therefore adopted to detect the accuracy of frequency and phase place respectively; This programme, while guarantee pinpoint accuracy, can detect the very little frequency of resolving power magnitude and phase place.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail;
Fig. 1 illustrates the schematic diagram of a kind of atomic frequency of the present invention and phase adjusting apparatus;
Fig. 2 illustrates the schematic diagram of frequency detecting device of the present invention;
Fig. 3 illustrates the schematic diagram of phase detection device of the present invention.
Drawing reference numeral
1, hydrogen atomic clock, the 2, first adjusting device, the 3, second adjusting device, 4, multichannel frequency measuring instrument, 5, common-view receiver, 6, very first time interval measurement counter, the 7, second time interval measurement counter.
Embodiment
In order to be illustrated more clearly in the present invention, below in conjunction with preferred embodiments and drawings, the present invention is described further.Parts similar in accompanying drawing represent with identical Reference numeral.It will be appreciated by those skilled in the art that specifically described content is illustrative and nonrestrictive, should not limit the scope of the invention with this below.
The invention discloses as shown in Figure 1, the invention discloses a kind of atomic frequency and phase adjusting apparatus, this device comprises: for inputting the reference signal input of 5MHz signal, for the 5MHz reference signal of input being divided into the first isolation distribution amplifier of three road 5MHz signals, based on frequency and the phase control information of outside, using the first via 5MHz after 10 times of frequencys multiplication as clock, export the frequency synthesizing module of 10MHz signal, by the second road 5MHz signal successively with 1/500 frequency division after the 3rd road 5MHz signal, the 10MHz signal mixing that 5MHz signal and the frequency synthesizer after 1/1000 frequency division export, export 10kHz mixed frequency signal mixing unit and based on described 10kHz mixed frequency signal, export the highly stable crystal oscillator of 5MHz signal.In this programme, described frequency synthesizing module adopts frequency resolution to be 2
-48, phase resolution is 2
-14frequency synthesizer.Described mixed endorsement unit comprises: for by the 3rd road 5MHz signal mixing after the second road 5MHz signal and 1/500 frequency division, export the first frequency mixer of 5MHz+10kHz signal, for by 5MHz+10kHz signal and the mixing of outside 5MHz signal, exporting the second frequency mixer of 10kHz signal and the 10MHz signal mixing for being exported with the frequency synthesizer after 1/1000 frequency division by the 10kHz signal of the second frequency mixer output, exporting the three-mixer of the mixed frequency signal of 10kHz.Atomic frequency described in this programme and phase adjusting apparatus comprise further: be arranged on 10 times of frequency multipliers between the first isolation distribution amplifier and frequency synthesizing module; Be arranged on 1/1000 frequency divider between frequency synthesizer and three-mixer; Be arranged on 1/500 frequency divider between the first isolation distribution amplifier and the first frequency mixer; Be arranged on the loop filter between three-mixer and highly stable crystal oscillator.This device comprises the second isolation distribution amplifier further, and the 5MHz signal for being exported by highly stable crystal oscillator is divided into three road 5MHz signals to export; Wherein, first via 5MHz signal inputs the second frequency mixer, and the second road 5MHz signal exports external equipment to.This device comprises synchronization module further, and based on the second isolation the 3rd road 5MHz signal that sends of distribution amplifier and 1pps (1PulsePerSecond) signal, exporting can the 1pps signal of Precision trimming.
The input of the first isolation distribution amplifier is connected with reference signal input, first output of described first isolation distribution amplifier is connected with the input of frequency synthesizer by 10 times of frequency multipliers, frequency synthesizer receives the frequency that sends of external equipment and phase control information by control signal input, and the output of described frequency synthesizer is connected with the first input end of three-mixer by 1/1000 frequency divider, second output of described first isolation distribution amplifier is connected with the first input end of the second frequency mixer, 3rd output of described first isolation distribution amplifier is connected with the second input of the first frequency mixer by 1/500 frequency divider, the output of the first frequency mixer is connected with the first input end of the second frequency mixer, and the output of the second frequency mixer is connected with the second input of three-mixer, the output of three-mixer is connected with the voltage-controlled end of highly stable crystal oscillator by loop filter, the output of high temperature crystal oscillator is connected with the second input of isolating distribution amplifier, second isolation the first output of distribution amplifier is connected with the second input of the second frequency mixer, second output of the second isolation distribution amplifier exports 5MHz signal, 3rd output of the second isolation distribution amplifier is connected with synchronization module, synchronization module exports the adjustable 1pps signal of high accuracy based on the 3rd road 5MHz signal of 1pps reference signal and the second isolation distribution amplifier.
Outside 5MHz reference signal is by reference to signal input part input unit, and this reference signal exports first via 5MHz signal, the second road 5MHz signal and the 3rd road 5MHz signal after the first isolation distribution amplifier.First via 5MHz signal exports 50MHz signal after low noise 10 frequency multiplication, with the clock of this signal as frequency synthesizer.Export 10MHz signal by program control frequency synthesizer, this signal outputs signal after 1/1000 frequency division again.Wherein, the frequency resolution of frequency synthesizer is 2
-48, phase resolution is 2
-14.3rd road 5MHz signal exports 10kHz signal after 1/500 frequency division, 5MHz+10kHz signal is obtained with the second road 5MHz signal mixing, this 5MHz+10kHz signal and second is isolated the road 5MHz signal mixing that distribution amplifier exports and is obtained 10kHz signal, the 10MHz signal mixing that this 10kHz signal obtained exports with the frequency synthesizer through 1/1000 frequency division, obtain 10kHz mixed frequency signal, this 10kHz mixed frequency signal exports the voltage-controlled end of high stability crystal oscillator to after loop filter.The signal that 5MHz highly stable crystal oscillator exports exports first via 5MHz signal, the second road 5MHz signal and the 3rd road 5MHz signal after the second isolation distribution amplifier distributes amplification, wherein a road signal is as the mixed frequency signal of the second frequency mixer, for phase-locked loop, another two paths of signals is as final output signal with for generation of 1PPS signal.Based on such scheme, achieved the Precision trimming of atomic clock output signal by the frequency control word changing frequency synthesizer, effectively completed the frequency difference multiplier of 1000 times by 1/1000 frequency division, improve the resolving power of system.
As shown in Figure 2, the present invention further discloses a kind of frequency detecting device comprising above-mentioned atomic frequency and phase adjusting apparatus, this checkout gear comprises atomic clock 1, first adjusting device 2, second adjusting device 3 and multichannel frequency measuring instrument 4; Hydrogen atomic clock 1 is connected with the input of the first adjusting device 2, the input of the second adjusting device 3 and the first input end of multichannel frequency measuring instrument 4 respectively; The output of the first adjusting device 2 and the output of the second adjusting device 3 are connected with the second input of multichannel frequency measuring instrument 4 and the 3rd input respectively; Described first adjusting device 2 is atomic frequency described above and phase adjusting apparatus.Described second adjusting device 3 is HROG-5 type precise frequency and the phase adjusting apparatus of SDI company of the U.S..In this programme, hydrogen atomic clock 1, as the frequency reference of system, is used for producing the reference frequency signal of 5MHz; HROG-5 type precise frequency and the phase adjusting apparatus of atomic frequency as above and phase adjusting apparatus and SDI company of the U.S. are used for carrying out corresponding adjustment to reference frequency signal respectively; Multichannel frequency detector be used for adjustment after two paths of signals and reference signal, carry out comparison between two.
As shown in Figure 3, the present invention further discloses a kind of phase detection device comprising above-mentioned atomic frequency and phase adjusting apparatus, this phase detection device comprises: common-view receiver 5, hydrogen atomic clock 1, first adjusting device 2, second adjusting device 3, very first time interval measurement counter 6 and the second time interval measurement counter 7; Common-view receiver 5, based on external signal, sends synchronous first via 1pps signal, the second road 1pps signal and the 3rd road 1pps signal; Hydrogen atomic clock 1, based on first via 1pps signal, sends the 4th road 1pps signal and the 5th road 1pps signal and the 4th road 5MHz signal and the 5th road 5MHz signal; First adjusting device 2, based on the second road 1pps signal and the 4th road 5MHz signal, exports first via phase adjustment signal; Second adjusting device 3, based on the 3rd road 1pps signal and the 5th road 5MHz signal, exports the second road phase adjustment signal; Very first time interval measurement counter 6, based on first via phase adjustment signal and the 4th road 1pps signal, obtains the first time difference measurement value; Second time interval measurement counter 7, based on the second road phase adjustment signal and the 5th road 1pps signal, obtains the second time measured value.Described first adjusting device 2 is atomic frequency described above and phase adjusting apparatus; Described second adjusting device 3 is HROG-5 type precise frequency and the phase adjusting apparatus of SDI company of the U.S..In this programme, the 5MHz that hydrogen atomic clock produces gives HROG-5 and precise frequency and phase adjusting apparatus as clock signal respectively, makes it produce 1PPS separately; Common-view receiver is used for producing the 1PPS signal of reference; The reference 1PPS signal that produces is received as with reference to input using looking altogether respectively from grinding the HROG-5 type precise frequency of precise frequency and phase adjusting apparatus and SDI company of the U.S. and phase adjusting apparatus, and output after carrying out the adjustment of corresponding phase place; Time interval measurement counter be used for adjustment after two-way 1PPS, individually carry out time difference measurement with the 1PPS signal after hydrogen atomic clock is synchronous.
Below by one group of example, the invention will be further described.
As shown in Figure 2.Adopt the method accuracy of measurement of Homology search: hydrogen clock of first keeping time is as frequency reference, and its 5MHz frequency signal is as the input of HROG-5, and it normally adjusts (adjustment amount is known) according to international comparison result; Another road 5MHz signal is as the input signal of precise frequency and phase adjusting apparatus, and adjusted precise frequency and phase device by the adjustment amount of international comparison result equally, the 3rd tunnel is unjustified hydrogen clock 5MHz signal.Above-mentioned three road signals enter multichannel frequency comparison instrument Timetech company multichannel frequency measuring instrument 10265 simultaneously and test, by long-time comparison, can verify that whether frequency adjustment and the import equipment HROG-5 of precise frequency and phase adjusting apparatus be consistent, and whether correct with the relation of unadjusted 5MHz signal.
As shown in Figure 3.Verification method and the frequency of phase place adjustment adjust similar, the 5MHz of hydrogen clock gives HROG-5 and precise frequency and phase adjusting apparatus as clock signal respectively, each generation 1PPS, by Results of International Tiwe Comparison Via adjustment amount input HROG-5,1PPS interval counter service time of the 1PPS after adjustment and time transfer receiver measures the time difference; The 1PPS of precise frequency and phase adjusting apparatus is first slightly synchronized with time transfer receiver, then result input precise frequency and phase adjusting apparatus will be adjusted equally, 1PPS interval counter service time of the 1PPS after adjustment and time transfer receiver measures the time difference, observe the direction whether two time difference measurement results change consistent with magnitude, can judge that whether phase adjustment is correct.Equally, before measuring, need cable etc. to calibrate, the error deduction introduced in the end will be measured in measurement result.
By above-mentioned two kinds of verification methods, the index of precise frequency and phase adjusting apparatus can be evaluated.
Obviously; the above embodiment of the present invention is only for example of the present invention is clearly described; and be not the restriction to embodiments of the present invention; for those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here cannot give exhaustive to all execution modes, every belong to technical scheme of the present invention the apparent change of extending out or variation be still in the row of protection scope of the present invention.
Claims (9)
1. atomic frequency and a phase adjusting apparatus, is characterized in that, this device comprises:
Reference signal input;
First isolation distribution amplifier, is divided into three road 5MHz signals by the 5MHz reference signal of input;
10 times of frequency multipliers, carry out 10 times of frequencys multiplication to first via 5MHz signal;
Frequency synthesizing module, based on frequency and the phase control information of outside, using the first via 5MHz after 10 times of frequencys multiplication as clock, exports 10MHz signal;
1/1000 frequency divider, carries out 1/1000 scaling down processing to the 10MHz signal that frequency synthesizing module exports;
1/500 frequency divider, carries out 1/500 scaling down processing to the 3rd road 5MHz signal;
Mixing unit, by the second road 5MHz signal successively with 1/500 frequency division after the 10MHz signal mixing that exports of the 3rd road 5MHz signal, 5MHz signal and the frequency synthesizer after 1/1000 frequency division, export the mixed frequency signal of 10kHz;
Loop filter, for carrying out loop filtering process to the mixed frequency signal of described 10kHz;
Highly stable crystal oscillator, based on the 10kHz mixed frequency signal after loop filtering process, exports 5MHz signal.
2. atomic frequency according to claim 1 and phase adjusting apparatus, is characterized in that, described frequency synthesizing module adopts frequency resolution to be 2
-48, phase resolution is 2
-14frequency synthesizer.
3. atomic frequency according to claim 1 and phase adjusting apparatus, is characterized in that, described mixed endorsement unit comprises:
First frequency mixer, for by the 3rd road 5MHz signal mixing after the second road 5MHz signal and 1/500 frequency division, exports 5MHz+10kHz signal;
Second frequency mixer, for by 5MHz+10kHz signal and the mixing of outside 5MHz signal, exports 10kHz signal;
Three-mixer, the 10MHz signal mixing that the 10kHz signal for being exported by the second frequency mixer exports with the frequency synthesizer after 1/1000 frequency division, exports the mixed frequency signal of 10kHz.
4. atomic frequency according to claim 3 and phase adjusting apparatus, is characterized in that, this device comprises the second isolation distribution amplifier, and the 5MHz signal for being exported by highly stable crystal oscillator is divided into three road 5MHz signals to export; Wherein, first via 5MHz signal inputs the second frequency mixer, and the second road 5MHz signal exports external equipment to.
5. atomic frequency according to claim 4 and phase adjusting apparatus, is characterized in that, this device comprises synchronization module, and based on the second the 3rd road 5MHz signal and 1pps signal of sending of isolation distribution amplifier, exporting can the 1pps signal of Precision trimming.
6. comprise a frequency detecting device for atomic frequency and phase adjusting apparatus as claimed in claim 1, it is characterized in that, this frequency detecting device comprises hydrogen atomic clock, the first adjusting device, the second adjusting device and multichannel frequency measuring instrument;
Hydrogen atomic clock is connected with the first input end of the input of the first adjusting device, the input of the second adjusting device and multichannel frequency measuring instrument respectively;
The output of the first adjusting device and the output of the second adjusting device are connected with the second input of multichannel frequency measuring instrument and the 3rd input respectively;
Described first adjusting device is atomic frequency and phase adjusting apparatus as claimed in claim 1.
7. frequency detecting device according to claim 6, is characterized in that, described second adjusting device is HROG-5 type frequency and phase adjusting apparatus.
8. comprise a phase detection device for atomic frequency and phase adjusting apparatus as claimed in claim 1, it is characterized in that, this phase detection device comprises:
Common-view receiver, based on external signal, sends synchronous first via 1pps signal, the second road 1pps signal and the 3rd road 1pps signal;
Hydrogen atomic clock, based on first via 1pps signal, sends the 4th road 1pps signal and the 5th road 1pps signal and the 4th road 5MHz signal and the 5th road 5MHz signal;
First adjusting device, based on the second road 1pps signal and the 4th road 5MHz signal, exports first via phase adjustment signal;
Second adjusting device, based on the 3rd road 1pps signal and the 5th road 5MHz signal, exports the second road phase adjustment signal;
Very first time interval measurement counter, based on first via phase adjustment signal and the 4th road 1pps signal, obtains the first time difference measurement value;
Second time interval measurement counter, based on the second road phase adjustment signal and the 5th road 1pps signal, obtains the second time measured value;
Described first adjusting device is atomic frequency and phase adjusting apparatus as claimed in claim 1.
9. frequency detecting device according to claim 8, is characterized in that, described second adjusting device is HROG-5 type frequency and phase adjusting apparatus.
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| CN201510994323.1A CN105515583A (en) | 2015-12-25 | 2015-12-25 | Atomic clock frequency and phase adjustment device, frequency detection device and phase detection device |
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| CN201510994323.1A CN105515583A (en) | 2015-12-25 | 2015-12-25 | Atomic clock frequency and phase adjustment device, frequency detection device and phase detection device |
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| CN201510994323.1A Pending CN105515583A (en) | 2015-12-25 | 2015-12-25 | Atomic clock frequency and phase adjustment device, frequency detection device and phase detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116449912A (en) * | 2023-06-14 | 2023-07-18 | 中星联华科技（北京）有限公司 | Phase-adjustable multichannel signal source |
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| CN116449912A (en) * | 2023-06-14 | 2023-07-18 | 中星联华科技（北京）有限公司 | Phase-adjustable multichannel signal source |
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