CN109873619A - A kind of X, Ku band high-power pulsed TWT synthesis system - Google Patents
A kind of X, Ku band high-power pulsed TWT synthesis system Download PDFInfo
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- CN109873619A CN109873619A CN201910098654.5A CN201910098654A CN109873619A CN 109873619 A CN109873619 A CN 109873619A CN 201910098654 A CN201910098654 A CN 201910098654A CN 109873619 A CN109873619 A CN 109873619A
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 28
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 28
- 230000010363 phase shift Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
The invention discloses a kind of X, Ku band high-power pulsed TWT synthesis systems, including sequentially connected first adjustable attenuator, power divider, the road N travelling-wave tubes synthesis unit parallel with one another, first wave guide evil spirit, second waveguide evil spirit, circulator, directional coupler and high power load, wherein, N is the even number greater than 2；Every road travelling-wave tubes synthesis unit includes sequentially connected second adjustable attenuator, phase shifter, solid-state amplifier, isolator, gainequalizer and travelling-wave tubes, it is connect after wherein adjacent two-way travelling-wave tubes synthesis unit is in parallel with first wave guide evil spirit, each travelling-wave tubes is respectively connected with power supply, and each power supply is connected with pulse signal generator.High-output power of the work in X/Ku wave band, high combined coefficient may be implemented in the present invention.
Description
Technical field
The present invention relates to communication, electromagnetic compatibility and radar transmitter fields, more specifically, in particular to a kind of X, Ku wave
Section highpowerpulse travelling-wave tubes synthesis system.
Background technique
For modern radar and communication system, transmission power is to measure a very important finger of system performance
Mark, the raising of transmission power mean that system has bigger radius of investigation, stronger anti-interference ability and preferably communicates matter
Amount, electron tube have many advantages, such as output power height, and work efficiency is high, working frequency is high, covering frequency range is wide, and travelling-wave tubes is electricity
One of more representative cast, is widely used in synthetic aperture radar, full phase parameter radar and satellite in vacuum device
In communication.Powerful occasion is needed at some, the output power of single travelling-wave tubes is difficult to meet radio frequency system to transmission power
Requirement, and solve problems most directly and most effective approach be exactly to use power synthetic technique.
Summary of the invention
The purpose of the present invention is to provide a kind of X, Ku band high-power pulsed TWT synthesis systems, and work may be implemented
High-output power, high combined coefficient in X/Ku wave band.
In order to achieve the above object, The technical solution adopted by the invention is as follows:
A kind of X, Ku band high-power pulsed TWT synthesis system, including sequentially connected first adjustable attenuator, function
Rate distributor, the road N travelling-wave tubes synthesis unit parallel with one another, first wave guide evil spirit, second waveguide evil spirit, circulator, directional coupler
And high power load, wherein N is the even number greater than 2；Every road travelling-wave tubes synthesis unit includes sequentially connected second adjustable damping
Device, phase shifter, solid-state amplifier, isolator, gainequalizer and travelling-wave tubes, wherein adjacent two-way travelling-wave tubes synthesis unit is simultaneously
It is connect after connection with first wave guide evil spirit, each travelling-wave tubes is respectively connected with power supply, and each power supply is connected with pulse signal generator.
Further, the phase shifter is mechanical hand adjustment phase shifter.
Further, the high power load is negative using the highpowerpulse type waveguide of model TMWRD650C16P500
It carries.
Compared with the prior art, the advantages of the present invention are as follows: a kind of X, Ku band high-power pulse row provided by the invention
Wave duct synthesis system inputs small signal (≤1mW) from radio frequency input source, is divided into through the first adjustable attenuator and power divider more
Road is adjusted amplitude-phase consistency by the second adjustable attenuator and phase shifter per in all the way, using solid-state amplifier and
Power combing is carried out after travelling-wave tubes amplification, it can be achieved that high-power synthesis, such as small signal (≤1mW) is synthesized to 8KW.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the frame of X, Ku the band high-power pulsed TWT synthesis system provided in one embodiment of the invention
Figure.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Figure 1, the present embodiment provides a kind of X, Ku band high-power pulsed TWT synthesis systems, including successively connect
The first adjustable attenuator, power divider, the road the N travelling-wave tubes synthesis unit parallel with one another, first wave guide evil spirit, second waveguide connect
Evil spirit, circulator, directional coupler and high power load, wherein N is the even number greater than 2；Every road travelling-wave tubes synthesis unit include according to
The second adjustable attenuator, phase shifter, solid-state amplifier, isolator, gainequalizer and the travelling-wave tubes of secondary connection, wherein adjacent
It is connect after two-way travelling-wave tubes synthesis unit is in parallel with first wave guide evil spirit, each travelling-wave tubes is respectively connected with power supply, each power supply connection
There is pulse signal generator.
In the present embodiment, N is selected as 4, that is, uses No. 4 travelling-wave tubes synthesis units.
The setting of the first adjustable attenuator and the second adjustable attenuator in the present embodiment, on the one hand prevents solid-state amplifier
Input power cause it to burn greatly very much, on the other hand the second adjustable attenuator attenuator in four routes is used to appropriate adjust
Line Attenuation (the optimal input stimulus curve of different travelling-wave tubes needs certain offset), guarantees that different travelling-wave tubes works at the same time
It must be protected after optimum state (4 the second adjustable attenuators of tunnel need to be adjusted to different pad values), attenuation parameter adjustment sizing
It holds constant.
Power divider in the present embodiment is for prime power distribution.
Phase shifter in the present embodiment is the influence to reduce phase difference to combined coefficient, uses manipulator in the present embodiment
Phase shifter is adjusted, the phase equalization of adjustable each link improves combined coefficient.
Solid-state amplifier in the present embodiment is for the power amplification of travelling-wave tubes prime.
Isolator in the present embodiment is protected for signal isolation, and solid-state amplifier is avoided to be returned by what traveling wave pipe end was revealed
Wave is burnt.
Gainequalizer in the present embodiment is the gain flatness for improving travelling-wave tubes.
Pulse signal generator in the present embodiment is to carry out grid impulse tune to travelling-wave tubes for providing pulse signal
System.
First wave guide evil spirit, second waveguide evil spirit in the present embodiment are a kind of large power waveguide synthesizers, are used for power combing.
Circulator in the present embodiment is high-power circulator/isolator, is to avoid load from losing for output end insulation blocking
Travelling-wave tubes is burnt out with causing relatively high power to reflect.
The degree of coupling 50dBm of directional coupler in the present embodiment is used for power measurement with forward and reverse coupling port.
High-power matched load in the present embodiment uses highpowerpulse type waveguide load, model
TMWRD650C16P500, for absorbing output power.
The present embodiment inputs small signal (≤1mW) from signal source (rf inputs), through adjustable attenuator and power distribution
Device is divided into multichannel (this example is four tunnels), and amplitude-phase consistency is adjusted by adjustable attenuator and phase shifter per middle all the way,
Using power combing is carried out after solid-state amplifier and travelling-wave tubes amplification, synthesis power is up to 8KW in this example, realizes super large
The synthesis of power, combined coefficient is up to 85% or more.
The present invention can according to need in actual application, be adjusted to the synthesis of more multichannel, such as six tunnels, eight tunnels etc..
Although the embodiments of the invention are described in conjunction with the attached drawings, but patent owner can be in appended claims
Within the scope of make various deformations or amendments, as long as it does not exceed the scope of protection described in the claims to the invention, all should
Within protection scope of the present invention.
Claims (3)
1. a kind of X, Ku band high-power pulsed TWT synthesis system, it is characterised in that: adjustable including sequentially connected first
Attenuator, the road N travelling-wave tubes synthesis unit parallel with one another, first wave guide evil spirit, second waveguide evil spirit, circulator, is determined power divider
To coupler and high power load, wherein N is the even number greater than 2；Every road travelling-wave tubes synthesis unit includes sequentially connected second
Adjustable attenuator, phase shifter, solid-state amplifier, isolator, gainequalizer and travelling-wave tubes, wherein adjacent two-way travelling-wave tubes closes
It is connect at after unit parallel connection with first wave guide evil spirit, each travelling-wave tubes is respectively connected with power supply, and each power supply is connected with pulse signal hair
Raw device.
2. X, Ku band high-power pulsed TWT synthesis system according to claim 1, it is characterised in that: the phase shift
Device is mechanical hand adjustment phase shifter.
3. X, Ku band high-power pulsed TWT synthesis system according to claim 1, it is characterised in that: the big function
Rate load uses the highpowerpulse type waveguide load of model TMWRD650C16P500.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098654.5A CN109873619A (en) | 2019-01-31 | 2019-01-31 | A kind of X, Ku band high-power pulsed TWT synthesis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098654.5A CN109873619A (en) | 2019-01-31 | 2019-01-31 | A kind of X, Ku band high-power pulsed TWT synthesis system |
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| CN109873619A true CN109873619A (en) | 2019-06-11 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10224238A (en) * | 1997-02-04 | 1998-08-21 | Mitsubishi Electric Corp | Power synthesized transmitter |
| CN202009365U (en) * | 2011-01-18 | 2011-10-12 | 南京纳特通信电子有限公司 | Multi-path solid microwave power amplifier |
| CN103929158A (en) * | 2014-04-24 | 2014-07-16 | 南京信息工程大学 | W-waveband pulse traveling-wave tube high-power combination system |
| CN106646386A (en) * | 2016-11-21 | 2017-05-10 | 北京无线电测量研究所 | Multi-polarization microwave emitter and emission method |
| CN106685371A (en) * | 2016-12-30 | 2017-05-17 | 中国电子科技集团公司第五十四研究所 | Splitter/combiner and Ku wave band solid-state high-power amplifier |
| CN107819208A (en) * | 2017-12-06 | 2018-03-20 | 柳州市融智科技服务有限公司 | A kind of S-band active antenna |
-
2019
- 2019-01-31 CN CN201910098654.5A patent/CN109873619A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10224238A (en) * | 1997-02-04 | 1998-08-21 | Mitsubishi Electric Corp | Power synthesized transmitter |
| CN202009365U (en) * | 2011-01-18 | 2011-10-12 | 南京纳特通信电子有限公司 | Multi-path solid microwave power amplifier |
| CN103929158A (en) * | 2014-04-24 | 2014-07-16 | 南京信息工程大学 | W-waveband pulse traveling-wave tube high-power combination system |
| CN106646386A (en) * | 2016-11-21 | 2017-05-10 | 北京无线电测量研究所 | Multi-polarization microwave emitter and emission method |
| CN106685371A (en) * | 2016-12-30 | 2017-05-17 | 中国电子科技集团公司第五十四研究所 | Splitter/combiner and Ku wave band solid-state high-power amplifier |
| CN107819208A (en) * | 2017-12-06 | 2018-03-20 | 柳州市融智科技服务有限公司 | A kind of S-band active antenna |
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Application publication date: 20190611 |