CN109981509A - A kind of method and apparatus that amplitude and phase are adjusted - Google Patents
A kind of method and apparatus that amplitude and phase are adjusted Download PDFInfo
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- CN109981509A CN109981509A CN201910203953.0A CN201910203953A CN109981509A CN 109981509 A CN109981509 A CN 109981509A CN 201910203953 A CN201910203953 A CN 201910203953A CN 109981509 A CN109981509 A CN 109981509A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/28—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the amplitude
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/42—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means using frequency-mixing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
Abstract
A kind of adjusting method and device of amplitude and phase are related to wireless communication signal modulation field.In the present embodiment, amplitude modulation and the phase modulation for the treatment of adjustment signal are realized by using distributor, two direct-flow signal generators, two frequency mixers and combiner.On the one hand, present apparatus structure is simple, cheap.On the other hand, since the amplitude modulation of adjustment signal and the adjusting of phase modulation can be treated to realize by setting the voltage value of two-way direct current signal, so not only control method is simple, fine adjustment can also be realized.Especially amplitude modulation and phase modulation to high-frequency signal may be implemented in the device.
Description
Technical field
The present invention relates to wireless communication signals to modulate field, and in particular to a kind of amplitude and phase adjusting method and device.
Background technique
Amplitude and phase regulating device is a kind of device comprising amplitude adjusted and phase adjusting function, is widely used in
In modern wireless communication systems, and in particular to the fields such as beam forming, power combing, signal cancellation.For example, being answered in beam forming
It in, requires to be controlled per the phase and amplitude of the emitted signal of antenna all the way in aerial array, to form wave beam aggregation
At this moment effect requires amplitude and phase regulating device per signal all the way and is adjusted；In signal cancellation application, needing will be to
It eliminates signal extraction to come out, then carries out amplitude and phase adjusting, so that the signal extracted is equal with original signal amplitude, phase
180 ° of phase difference, then synthesized with original signal, achieve the purpose that signal cancellation.Amplitude and phase in the prior art adjust dress
It sets and needs to introduce phase shifter to signal progress phase modulation, it is also necessary to introduce attenuator and amplitude modulation is carried out to signal.The amplitude and phase tune
Not only circuit is complicated for regulating device, also expensive, the fine adjustment especially difficult to realize to microwave especially millimeter wave.
Summary of the invention
In order to solve the problems, such as background technique, the invention discloses a kind of amplitude and phase adjusting method and dresses
It sets.
According in a first aspect, providing a kind of adjusting method of amplitude and phase in a kind of embodiment, comprising:
Analog signal to be regulated is divided into two-way amplitude is equal and 90 ° of phase phase difference of signal；
Signal described in two-way is mixed with two-way direct current signal respectively, to carry out the adjusting of amplitude and phase；Wherein direct current
The voltage of signal is arranged according to the echo signal that need to be adjusted；
Two paths of signals after mixing is synthesized into signal all the way and is exported.
According to second aspect, a kind of adjusting method of amplitude and phase is provided in a kind of embodiment, comprising:
Analog signal to be regulated is divided into all identical signal of two-way amplitude and phase；
Signal described in two-way is mixed with two-way direct current signal respectively, to carry out the adjusting of amplitude and phase；Wherein direct current
The voltage of signal is arranged according to the echo signal that need to be adjusted；
Signal all the way and defeated is synthesized with the signal after another way mixing after 90 ° of signal phase shift after being wherein mixed all the way
Out.
According to the third aspect, a kind of regulating device of amplitude and phase is provided in a kind of embodiment, comprising:
Distributor, for analog signal to be regulated to be divided into, two-way amplitude is equal and 90 ° of phase phase difference of signal；
Two direct-flow signal generators, for providing two-way direct current signal；Wherein the voltage of two-way direct current signal is according to need
The echo signal of adjusting is arranged；
Two frequency mixers, are connected between the distributor and the direct-flow signal generator, are used for two-way institute
It states signal to be mixed with direct current signal described in two-way respectively, to carry out the adjusting of amplitude and phase；
Combiner is connect with described two frequency mixers, for the two paths of signals after mixing to be synthesized signal all the way and is exported.
According to fourth aspect, a kind of regulating device of amplitude and phase is provided in a kind of embodiment, comprising:
Power splitter, for analog signal to be regulated to be divided into all identical signal of two-way amplitude and phase；
Two direct-flow signal generators, for providing two-way direct current signal；Wherein the voltage of two-way direct current signal is according to need
The echo signal of adjusting is arranged；
Two frequency mixers, are connected between the distributor and the direct-flow signal generator, are used for two-way institute
It states signal to be mixed with direct current signal described in two-way respectively, to carry out the adjusting of amplitude and phase；
Distributor is connect with two frequency mixers, for will wherein all the way be mixed after 90 ° of signal phase shift after with it is another
Signal after the mixing of road synthesizes signal all the way and exports.
According to the 5th aspect, a kind of amplitude and phase regulating device is provided in a kind of embodiment, comprising:
Two direct-flow signal generators, for providing two-way direct current signal；Wherein the voltage of two-way direct current signal is according to need
The echo signal of adjusting is arranged；
I/Q modulator for analog signal to be regulated to be divided into the mutually orthogonal signal of two-way, then will be believed described in two-way
Signal output all the way is synthesized after number being mixed respectively with the two-way direct current signal；
According to ψ=tan-1(B2/B1) voltage of direct current signal is set, wherein ψ is the phase of echo signal, B1And B2Point
It is not the voltage of the two-way direct current signal；
FoundationThe voltage of direct current signal is set, and wherein ω is the amplitude of echo signal, B1 and B2 points
It is not the voltage of the two-way direct current signal.
According to a kind of amplitude and phase adjusting method and device of above-described embodiment, by using distributor, two direct currents
Signal generator, two frequency mixers and combiner realize amplitude modulation and the phase modulation for the treatment of adjustment signal.Device disclosed in the present application
Structure is simple, cheap, due to that only need to realize the tune for treating adjustment signal by setting the voltage value of two-way direct current signal
The adjusting of width and phase modulation can also be achieved fine adjustment so that not only control method is simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of amplitude and phase regulating device in the prior art；
Fig. 2 is the structural schematic diagram of amplitude and phase regulating device in an embodiment；
Fig. 3 is a kind of flow chart of amplitude and phase adjusting method in embodiment；
Fig. 4 is the structural schematic diagram of amplitude and phase regulating device in an embodiment；
Fig. 5 is a kind of flow chart of amplitude and phase adjusting method in embodiment；
Fig. 6 is the structural schematic diagram of amplitude and phase regulating device in an embodiment.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.
It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way
Kind embodiment.Meanwhile each step in method description or movement can also can be aobvious and easy according to those skilled in the art institute
The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain
A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
As shown in Figure 1, being the structural schematic diagram of amplitude and phase regulating device in the prior art, including attenuator and shifting
Phase device.Signal elder generation to be regulated input attenuator carries out amplitude modulation, and the amplitude of signal to be regulated is adjusted by adjusting attenuation control signal.
Phase shifter is inputted again after signal amplitude modulation to be regulated, and the phase of signal to be regulated is adjusted by adjusting phase-shifted control signal.The program
In, the price of phase shifter is very expensive, and the frequency for treating adjustment signal requires.Because of high-frequency signal (microwave especially millimeter wave)
Phase adjusted is difficult to realize using phase shifter, and the adjusting resolution ratio of attenuator and phase shifter is usually relatively low, and high frequency is believed
Number it cannot achieve fine adjustment substantially.
In embodiments of the present invention, it is realized using distributor, two direct-flow signal generators, two frequency mixers and combiner
Treat the adjusting of the amplitude and phase of adjustment signal.First passing through distributor, that analog signal to be regulated is divided into two-way amplitude is equal
And 90 ° of phase phase difference of signal, then provided two paths of signals with two-way direct-flow signal generator respectively by two frequency mixers
Direct current signal is mixed, then the signal after being mixed two-way by combiner synthesizes output, and then realizes to simulation to be regulated letter
Number amplitude modulation and phase modulation.
Embodiment one:
As shown in Fig. 2, for the structural schematic diagram of amplitude and phase regulating device in an embodiment, including distributor, direct current
Signal generator 1, direct-flow signal generator 2, frequency mixer 1, frequency mixer 2 and combiner.Distributor is used for simulation to be regulated
Signal is divided into that two-way amplitude is equal and 90 ° of phase phase difference of signal L01 and signal L02.Direct-flow signal generator 1 and direct current signal
Generator 2 is for being respectively that frequency mixer 1 and frequency mixer 2 provide direct current signal I and direct current signal Q, wherein direct current signal I and straight
The voltage of stream signal Q is arranged according to the echo signal that need to be adjusted.Specifically, according to ψ=tan-1(B2/B1) believe direct current is arranged
The voltage of number I and direct current signal Q, wherein ψ is the phase of echo signal, B1And B2It is direct current signal I and direct current signal Q respectively
Voltage；FoundationThe voltage of direct current signal I and direct current signal Q is set, wherein ω is the amplitude of echo signal,
B1 and B2 is the voltage of the two-way direct current signal respectively.Frequency mixer 1 is connect with direct-flow signal generator 1 and distributor.Mixing
Device 1 is used to for direct current signal I and signal L01 being mixed, the signal RF1 after output mixing.Frequency mixer 2 and direct-flow signal generator 2
It is connected with distributor.Frequency mixer 2 is used to for direct current signal Q and signal L02 being mixed, the signal RF2 after output mixing.Combiner with
Frequency mixer 1 and frequency mixer 2 are separately connected, and for the signal RF1 and signal RF2 synthesis signal all the way after being mixed, and export letter
Number RFOUT.By the way that the voltage of direct current signal I and direct current signal Q is arranged, realize to output signal RFOUTAmplitude and phase tune
Section.In one embodiment, distributor includes coupler or power splitter.In one embodiment, direct-flow signal generator includes digital-to-analogue conversion
Device.
As shown in figure 3, disclosed herein as well is one kind for a kind of flow chart of amplitude and phase adjusting method in embodiment
Amplitude and phase adjusting method, comprising:
Analog signal to be regulated, is divided into that two-way amplitude is equal and 90 ° of phase phase difference of signal by step 1；
Signal described in two-way is mixed with two-way direct current signal, to carry out the adjusting of amplitude and phase by step 2 respectively；
Wherein, the voltage of direct current signal is arranged according to the echo signal that need to be adjusted.Specifically according to ψ=tan-1(B2/
B1) voltage of direct current signal is set, wherein ψ is the phase of echo signal, B1And B2It is the electricity of the two-way direct current signal respectively
Pressure；FoundationThe voltage of direct current signal is set, and wherein ω is the amplitude of echo signal, and B1 and B2 be institute respectively
State the voltage of two-way direct current signal.
Two paths of signals after mixing is synthesized signal all the way and exported by step 3.
It is exemplified below, such as signal to be regulated is a sine wave:
Adjustment signal is divided into two-way amplitude is equal and 90 ° of phase phase difference of signal:
L01=A*cos (ωL0t)
Above-mentioned two paths of signals is mixed with direct current signal I and direct current signal Q respectively, wherein direct current signal I and direct current signal Q
Voltage be respectively B1And B2。
Signal RF1 and signal RF2 after being then mixed are as follows:
RF1=L01*I=A*B1*cos(ωL0t)
By the signal RF1 and signal RF2 synthesis signal RF all the way after mixingOUTAnd it exports:
According to can above obtain:
Wherein, ψ=tan-1(B2/B1), B1And B2It is the voltage of the two-way direct current signal respectively.SettingThen pass through the voltage B of adjusting direct current signal1And B2, to adjust ω and ψ value, and then realize to output signal
RFOUTAmplitude and phase adjusting.
In the present embodiment, realized by using distributor, two direct-flow signal generators, two frequency mixers and combiner
Treat amplitude modulation and the phase modulation of adjustment signal.On the one hand, present apparatus structure is simple, cheap.On the other hand, it is set due to that can pass through
The voltage value of two-way direct current signal is determined to realize and treat the amplitude modulation of adjustment signal and the adjusting of phase modulation, so not only control method letter
It is single, it can also realize fine adjustment.Especially amplitude modulation and phase modulation to high-frequency signal may be implemented in the device.
Embodiment two:
As shown in figure 4, for the structural schematic diagram of amplitude and phase regulating device in an embodiment, including power splitter, direct current
Signal generator 1, direct-flow signal generator 2, frequency mixer 1, frequency mixer 2 and distributor.Power splitter is used for simulation to be regulated
Signal is divided into the signal L01 and signal L02 that two-way amplitude is equal and phase is equal.Direct-flow signal generator 1 and direct current signal hair
Raw device 2 is for being respectively that frequency mixer 1 and frequency mixer 2 provide direct current signal I and direct current signal Q, and wherein direct current signal I and direct current are believed
The voltage of number Q is arranged according to the echo signal that need to be adjusted.Specifically, according to ψ=tan-1(B2/B1) direct current signal I is set
With the voltage of direct current signal Q, wherein ψ is the phase of echo signal, B1And B2It is the electricity of direct current signal I and direct current signal Q respectively
Pressure；FoundationThe voltage of direct current signal I and direct current signal Q is set, and wherein ω is the amplitude of echo signal, B1
It is the voltage of the two-way direct current signal respectively with B2.Frequency mixer 1 is connect with direct-flow signal generator 1 and power splitter.Frequency mixer 1
For the signal RF1 by direct current signal I and signal L01 mixing, after output mixing.Frequency mixer 2 and direct-flow signal generator 2 and function
Divide device connection.Frequency mixer 2 is used to for direct current signal Q and signal L02 being mixed, the signal RF2 after output mixing.Distributor be mixed
Device 1 and frequency mixer 2 are separately connected, and are closed for the signal RF2 after being mixed after 90 ° of signal RF1 phase shift after being mixed with another way
At signal all the way, and output signal RFOUT.By the way that the voltage of direct current signal I and direct current signal Q is arranged, realize to output signal
RFOUTAmplitude and phase adjusting.In one embodiment, distributor includes coupler or power splitter.In one embodiment, direct current letter
Number generator includes digital analog converter.
As shown in figure 5, disclosed herein as well is one kind for a kind of flow chart of amplitude and phase adjusting method in embodiment
Amplitude and phase adjusting method, comprising:
Analog signal to be regulated is divided into all identical signal of two-way amplitude and phase by step 1；
Two paths of signals is mixed with two-way direct current signal, to carry out the adjusting of amplitude and phase by step 2 respectively；
Wherein, the voltage of direct current signal is arranged according to the echo signal that need to be adjusted.Specifically according to ψ=tan-1(B2/
B1) voltage of direct current signal is set, wherein ψ is the phase of echo signal, B1And B2It is the electricity of the two-way direct current signal respectively
Pressure；FoundationThe voltage of direct current signal is set, and wherein ω is the amplitude of echo signal, and B1 and B2 be institute respectively
State the voltage of two-way direct current signal.
Step 3 is synthesized and is believed all the way with the signal after another way mixing after 90 ° of signal phase shift after being wherein mixed all the way
Number and export.
It is exemplified below, such as signal to be regulated is a sine wave:
Adjustment signal is divided into two-way amplitude is equal and the identical signal of phase:
L01=A*cos (ωL0t)
L02=A*cos (ωL0t)
Above-mentioned two paths of signals is mixed with direct current signal I and direct current signal Q respectively, wherein direct current signal I and direct current signal Q
Voltage be respectively B1And B2。
Signal RF1 and signal RF2 after being then mixed are as follows:
RF1=L01*I=A*B1*cos(ωL0t)
RF2=L02*Q=A*B2*cos(ωL0t)
Signal RF all the way will be synthesized with the signal RF2 after another way mixing after 90 ° of signal RF1 phase shift after mixingOUT, and
Output signal RFOUT。
According to can above obtain:
Wherein, ψ=tan-1(B2/B1), B1And B2It is the voltage of the two-way direct current signal respectively.SettingThen pass through the voltage B of adjusting direct current signal1And B2, to adjust ω and ψ value, and then realize to output signal
RFOUTAmplitude and phase adjusting.
Embodiment three:
As shown in fig. 6, for the structural schematic diagram of amplitude and phase regulating device in an embodiment, including direct current signal occurs
Device 1, direct-flow signal generator 2 and 1Q modulator.Direct-flow signal generator 1 and direct-flow signal generator 2 are straight for providing two-way
Signal I and direct current signal Q is flowed, wherein the voltage of direct current signal I and direct current signal Q are arranged according to the echo signal that need to be adjusted.
Specifically, according to ψ=tan-1(B2/B1) voltage of direct current signal I and direct current signal Q is set, wherein ψ is the phase of echo signal
Position, B1And B2It is the voltage of direct current signal I and direct current signal Q respectively；FoundationDirect current signal I and direct current is arranged
The voltage of signal Q, wherein ω is the amplitude of echo signal, and B1 and B2 are the voltage of the two-way direct current signal respectively.IQ modulation
Device is used to analog signal to be regulated being divided into the mutually orthogonal signal of two-way, then by two paths of signals respectively with direct current signal I and
Signal RF all the way is synthesized after direct current signal Q mixingOUTOutput.The principle of the present embodiment can refer in two the method for embodiment
Content, due to directlying adopt I/Q modulator instead of frequency mixer, coupler, power splitter and distributor, so can further decrease
Cost.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (10)
1. a kind of adjusting method of amplitude and phase characterized by comprising
Analog signal to be regulated is divided into two-way amplitude is equal and 90 ° of phase phase difference of signal；
Signal described in two-way is mixed with two-way direct current signal respectively, to carry out the adjusting of amplitude and phase；Wherein direct current signal
Voltage be arranged according to the echo signal that need to be adjusted；
Two paths of signals after mixing is synthesized into signal all the way and is exported.
2. a kind of adjusting method of amplitude and phase characterized by comprising
Analog signal to be regulated is divided into all identical signal of two-way amplitude and phase；
Signal described in two-way is mixed with two-way direct current signal respectively, to carry out the adjusting of amplitude and phase；Wherein direct current signal
Voltage be arranged according to the echo signal that need to be adjusted；
Signal all the way is synthesized with the signal after another way mixing after 90 ° of signal phase shift after being wherein mixed all the way and is exported.
3. method as stated in claim 1 or 2, which is characterized in that the voltage of the direct current signal is according to the mesh that need to be adjusted
Signal is marked to be arranged, comprising: according to ψ=tan-1(B2/B1) voltage of direct current signal is set, wherein ψ is the phase of echo signal
Position, B1And B2It is the voltage of the two-way direct current signal respectively.
4. method as stated in claim 1 or 2, which is characterized in that the voltage of the direct current signal is according to the mesh that need to be adjusted
Signal is marked to be arranged, comprising: foundationThe voltage of direct current signal is set, wherein ω is the amplitude of echo signal,
B1 and B2 is the voltage of the two-way direct current signal respectively.
5. a kind of regulating device of amplitude and phase characterized by comprising
Distributor, for analog signal to be regulated to be divided into, two-way amplitude is equal and 90 ° of phase phase difference of signal；
Two direct-flow signal generators, for providing two-way direct current signal；Wherein the voltage of two-way direct current signal is according to needing to adjust
Echo signal be arranged；
Two frequency mixers, are connected between the distributor and the direct-flow signal generator, for will believe described in two-way
It number is mixed respectively with direct current signal described in two-way, to carry out the adjusting of amplitude and phase；
Combiner is connect with described two frequency mixers, for the two paths of signals after mixing to be synthesized signal all the way and is exported.
6. a kind of regulating device of amplitude and phase characterized by comprising
Power splitter, for analog signal to be regulated to be divided into all identical signal of two-way amplitude and phase；
Two direct-flow signal generators, for providing two-way direct current signal；Wherein the voltage of two-way direct current signal is according to needing to adjust
Echo signal be arranged；
Two frequency mixers, are connected between the distributor and the direct-flow signal generator, for will believe described in two-way
It number is mixed respectively with direct current signal described in two-way, to carry out the adjusting of amplitude and phase；
Distributor is connect with two frequency mixers, for mixing after 90 ° of signal phase shift after being wherein mixed all the way with another way
Signal after frequency synthesizes signal all the way and exports.
7. the device as described in claim 5 or 6, which is characterized in that according to ψ=tan-1(B2/B1) direct current signal is set
Voltage, wherein ψ is the phase of echo signal, B1And B2It is the voltage of the two-way direct current signal respectively.
8. the device as described in claim 5 or 6, which is characterized in that foundationThe electricity of direct current signal is arranged
Pressure, wherein ω is the amplitude of echo signal, and B1 and B2 are the voltage of the two-way direct current signal respectively.
9. the device as described in claim 5 or 6, which is characterized in that the distributor includes coupler or power splitter；With/
Or, the direct-flow signal generator includes digital analog converter.
10. a kind of amplitude and phase regulating device characterized by comprising
Two direct-flow signal generators, for providing two-way direct current signal；Wherein the voltage of two-way direct current signal is according to needing to adjust
Echo signal be arranged；
I/Q modulator, for analog signal to be regulated to be divided into the mutually orthogonal signal of two-way, then by signal described in two-way point
Signal output all the way is synthesized after not being mixed with the two-way direct current signal；
According to ψ=tan-1(B2/B1) voltage of direct current signal is set, wherein ψ is the phase of echo signal, B1And B2It is respectively
The voltage of the two-way direct current signal；
FoundationThe voltage of direct current signal is set, and wherein ω is the amplitude of echo signal, and B1 and B2 be institute respectively
State the voltage of two-way direct current signal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114567529A (en) * | 2022-01-25 | 2022-05-31 | 中国电子科技集团公司第十三研究所 | Single-sideband modulation system, method and device and terminal equipment |
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