CN115441296A - Smart waveform high-power microwave generation system - Google Patents
Smart waveform high-power microwave generation system Download PDFInfo
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- CN115441296A CN115441296A CN202211069445.6A CN202211069445A CN115441296A CN 115441296 A CN115441296 A CN 115441296A CN 202211069445 A CN202211069445 A CN 202211069445A CN 115441296 A CN115441296 A CN 115441296A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S1/00—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H13/00—Means of attack or defence not otherwise provided for
- F41H13/0043—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
- F41H13/0068—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being of microwave type, e.g. for causing a heating effect in the target
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
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Abstract
The application relates to high power microwave technical field, discloses a dexterous wave form high power microwave produces system, includes: the pulse driving source is used for inputting a trigger signal to the smart wave high-energy pulse cluster fiber laser; the smart waveform high-energy pulse cluster fiber laser is used for transmitting smart waveform high-energy laser to the photoconductive semiconductor switch; the photoconductive semiconductor switch is used for being in a conducting state after receiving the smart waveform high-energy laser; the pulse driving source is also used for loading voltage on the conducted photoconductive semiconductor switch so as to generate smart wave high-power microwaves; and the output load is used for outputting smart wave high-power microwaves. The system adopts the smart waveform high-energy pulse cluster fiber laser as the excitation source of the optical guide device, thereby realizing the generation of smart waveform high-power microwaves and hopefully improving the striking effect of high-power microwave weapons.
Description
Technical Field
The invention relates to the technical field of high-power microwaves, in particular to a smart waveform high-power microwave generation system.
Background
High power microwave generally refers to strong electromagnetic pulse radiation with a center frequency of 300 MHz-300 GHz and a peak power of over 100 MW. The high-power microwave weapon has the characteristics of light-speed attack, soft killing, surface killing, small collateral damage and the like, and has great application potential in important military fields of space attack and defense confrontation, information confrontation, accurate counterattack and the like. High power microwave energy is typically applied to the target in both front gate coupling and back gate coupling. Front door coupling refers to linear coupling through a medium such as an antenna, transmission line, etc. on the target to destroy the front-end electronics. Backdoor coupling refers to coupling through a gap or hole in the target to destroy internal circuitry and microelectronic devices of the electronic information system. In contrast, the rear door coupling system is difficult to protect and highly destructive, and becomes a main attack direction of high-power microwave weapons.
The smart waveform is a time domain waveform with flexibly tunable and changeable parameters such as frequency, amplitude, waveform and the like. The smart waveform high-power microwave weapon can optimize time domain waveform parameters according to the application requirements of rear door coupling, couple microwave energy into target equipment to the maximum extent, effectively reduce the electromagnetic sensitivity threshold of electronic information system elements, and further remarkably improve the attack efficiency of rear door coupling. In 2021, 3 months, the project of waveform agility radio frequency orientation energy electronic warfare released by the department of advanced research and planning of the department of defense, aims to expand the scope of backdoor attack to 10 times of the current technical level by using smart waveforms, mainly relates to three technical fields of high-power microwave traveling wave tube amplifiers, electromagnetic corresponding rapid evaluation and numerical generation and agility waveform development, but the specific mode for realizing the smart waveforms is not reported.
At present, the traditional way of generating high-power microwaves is an electronic vacuum device, a pulse driving source is utilized to convert common voltage into high voltage with hundred kV voltage and hundred ns pulse width, after the high voltage is loaded on the electronic vacuum device, a cathode in the electronic vacuum device generates electron beams, and the electron beams and a microwave generating electromagnetic structure in the electronic vacuum device are utilized to interact, so that the high-power microwaves are generated. The size of the microwave generating electromagnetic structure determines the frequency of the microwave, and the waveform of the pulse drive source also determines the waveform of the output microwave, so that it is difficult to realize a smart waveform.
Therefore, how to generate smart-wave high-power microwaves is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
Accordingly, an object of the present invention is to provide a smart wave high power microwave generating system capable of generating a smart wave high power microwave. The specific scheme is as follows:
a smart wave high power microwave generation system comprising: the pulse driving source comprises a photoconductive semiconductor switch, a smart wave high-energy pulse cluster optical fiber laser and an output load, wherein the photoconductive semiconductor switch and the smart wave high-energy pulse cluster optical fiber laser are respectively connected with the pulse driving source; the smart waveform high-energy pulse cluster optical fiber laser is connected with the photoconductive semiconductor switch; wherein the content of the first and second substances,
the pulse driving source is used for inputting a trigger signal to the smart waveform high-energy pulse cluster fiber laser;
the smart waveform high-energy pulse cluster fiber laser is used for transmitting smart waveform high-energy laser to the photoconductive semiconductor switch;
the photoconductive semiconductor switch is used for being in a conducting state after receiving the smart waveform high-energy laser;
the pulse driving source is also used for loading voltage to the conducted photoconductive semiconductor switch so as to generate smart wave high-power microwaves;
the output load is used for outputting the smart wave high-power microwaves.
Preferably, in the smart wave high power microwave generation system provided by the embodiment of the invention, the photoconductive semiconductor switch is specifically used for absorbing photons incident from the smart wave high energy pulse cluster fiber laser, exciting electrons in a valence band or a deep energy level to a conduction band, generating free electrons or electron-hole pairs, and forming free carriers so as to be in a conducting state.
Preferably, in the above smart waveform high-power microwave generation system provided in this embodiment of the present invention, the smart waveform high-energy pulse cluster fiber laser includes a processing module for updating the modulation signal by using an adaptive perturbation appropriate amount algorithm to make the output waveform of the smart waveform high-energy laser trend to a target waveform; the adaptive disturbance vector algorithm adopts a point-to-point adaptive correction mechanism to carry out iterative optimization until the output reaches the expected variance.
Preferably, in the above smart wave high-power microwave generation system provided in this embodiment of the present invention, the smart wave high-power pulse cluster fiber laser further includes a modulation module, configured to perform time-domain waveform intensity modulation and peak power amplification processing on the initial pulse laser signal according to the modulation signal, and output the smart wave high-power laser.
Preferably, in the above smart-waveform high-power microwave generation system provided by the embodiment of the present invention, the smart-waveform high-energy pulse cluster fiber laser further includes a generation module for generating the initial pulse laser signal.
Preferably, in the smart wave high-power microwave generation system provided by the embodiment of the invention, the pulse driving source is specifically used for applying voltage to the conducted photoconductive semiconductor switch through silver paste transmission.
Preferably, in the smart waveform high-power microwave generating system according to an embodiment of the present invention, the pulse driving source is any one of a capacitive storage type pulse generator, an inductive storage type pulse generator, a pulse forming linear type pulse generator, and a Blumlein structure pulse generator.
Preferably, in the smart waveform high-power microwave generation system according to the embodiment of the present invention, the voltage applied to the conductive photoconductive semiconductor switch by the pulse drive source is in a range of 3kV to 10kV.
Preferably, in the smart wave high-power microwave generation system provided by the embodiment of the invention, the material of the photoconductive semiconductor switch is gallium arsenide or silicon carbide, and the thickness is in the mm order.
Preferably, in the smart wave high-power microwave generation system according to the embodiment of the present invention, the output load may employ a broadband antenna or a push-pull link.
According to the technical scheme, the smart waveform high-power microwave generation system provided by the invention comprises: the pulse driving source comprises a photoconductive semiconductor switch, a smart waveform high-energy pulse cluster optical fiber laser and an output load, wherein the photoconductive semiconductor switch and the smart waveform high-energy pulse cluster optical fiber laser are respectively connected with the pulse driving source; the smart waveform high-energy pulse cluster fiber laser is connected with the photoconductive semiconductor switch; the pulse driving source is used for inputting a trigger signal to the smart waveform high-energy pulse cluster fiber laser; the smart waveform high-energy pulse cluster optical fiber laser is used for transmitting smart waveform high-energy laser to the photoconductive semiconductor switch; the photoconductive semiconductor switch is used for being in a conducting state after receiving the smart waveform high-energy laser; the pulse driving source is also used for loading voltage on the conductive photoconductive semiconductor switch so as to generate smart wave high-power microwaves; and the output load is used for outputting smart wave high-power microwaves.
According to the smart waveform high-power microwave generation system provided by the invention, the pulse driving source applies a trigger signal to the smart waveform high-energy pulse cluster optical fiber laser, the smart waveform high-energy pulse cluster optical fiber laser emits smart waveform high-energy laser, so that the photoconductive semiconductor switch is conducted, the voltage of the pulse driving source is loaded on the conducted photoconductive semiconductor switch to generate smart waveform high-power microwaves, and the smart waveform high-power microwaves are radiated by an output load.
Drawings
In order to more clearly illustrate the embodiments of the present invention or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a smart wave high power microwave generation system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a laser waveform emitted by a smart-waveform high-energy pulse cluster fiber laser provided by an embodiment of the invention;
FIG. 3 is a schematic diagram of a simulated smart waveform high power microwave waveform according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The present invention provides a smart wave high power microwave generating system, as shown in fig. 1, comprising: the pulse laser comprises a pulse driving source 1, a photoconductive semiconductor switch 2 and a smart waveform high-energy pulse cluster optical fiber laser 3 which are respectively connected with the pulse driving source 1, and an output load connected with the photoconductive semiconductor switch 2; the smart waveform high-energy pulse cluster optical fiber laser 3 is connected with the photoconductive semiconductor switch 2; wherein, the first and the second end of the pipe are connected with each other,
the pulse driving source 1 is used for inputting a trigger signal to the smart waveform high-energy pulse cluster fiber laser 3;
a smart waveform high-energy pulse cluster fiber laser 3 for emitting smart waveform high-energy laser to the photoconductive semiconductor switch 2;
the photoconductive semiconductor switch 2 is used for being in a conducting state after receiving the smart waveform high-energy laser;
the pulse driving source 1 is also used for loading voltage on the conductive photoconductive semiconductor switch 2 to generate smart wave high-power microwaves;
and the output load 4 is used for outputting smart wave high-power microwaves.
In the smart waveform high-power microwave generation system provided by the embodiment of the invention, after the pulse driving source 1 is charged, a trigger signal is applied to the smart waveform high-energy pulse cluster optical fiber laser 3, the smart waveform high-energy pulse cluster optical fiber laser 3 emits smart waveform high-energy laser, so that the photoconductive semiconductor switch 2 is conducted, the voltage of the pulse driving source 1 is loaded on the conducted photoconductive semiconductor switch 2 to generate smart waveform high-power microwaves, and the smart waveform high-power microwaves are radiated by the output load 4, so that the smart waveform high-power microwaves can be generated, and the striking effect of a high-power microwave weapon is expected to be improved.
It should be noted that, in the present invention, based on the microwave photonics principle, smart-waveform high-power microwave is realized by exciting the photoconductive semiconductor switch 2 through the smart-waveform high-power pulse cluster fiber laser 3. The smart waveform high-energy pulse cluster optical fiber laser 3 is used as an excitation source of an optical guide device, is a core link for generating smart waveform high-power microwaves, particularly, the smart waveform high-power microwaves can be output by controlling the repetition frequency and the waveform of the smart waveform high-energy pulse cluster optical fiber laser 3, and the time domain of the smart waveform high-power microwaves is represented by a low repetition frequency main pulse envelope formed by a specific number of high-frequency sub-pulses with flexibly tunable parameters such as frequency, amplitude, waveform and the like. The photoconductive semiconductor switch 2 is made of wide-band-gap photoconductive semiconductor materials, can quickly convert an excitation signal of the incident smart waveform high-energy pulse cluster fiber laser 3 into an oscillating current signal with the same waveform and the same frequency in a linear response region, and can generate smart waveform high-power microwave output with the same waveform and the same frequency through a radiation component.
Further, in the smart waveform high power microwave generation system according to the embodiment of the present invention, in practical implementation, the photoconductive semiconductor switch 2 is a photoconductive switch, and can be specifically used for absorbing photons incident from the smart waveform high energy pulse cluster fiber laser 3, exciting electrons in a valence band or a deep energy level to a conduction band, generating free electrons or electron-hole pairs, and forming free carriers, wherein the resistivity of the photoconductive semiconductor switch 2 rapidly decreases, and the photoconductive semiconductor switch 2 is in a conducting state.
In specific implementation, in the above smart waveform high-power microwave generation system provided in the embodiment of the present invention, the smart waveform high-energy pulse cluster fiber laser 3 may include a processing module for updating the modulation signal by using an adaptive perturbation appropriate amount algorithm, so as to make the output waveform of the smart waveform high-energy laser approach to the target waveform; the adaptive disturbance vector algorithm adopts a point-to-point adaptive correction mechanism to carry out iterative optimization until the output reaches the expected variance.
Further, the smart waveform high-energy pulse cluster fiber laser 3 may further include a generation module for generating an initial pulse laser signal, and a modulation module for performing time domain waveform intensity modulation and peak power amplification processing on the initial pulse laser signal according to the modulation signal, and outputting the smart waveform high-energy laser. The modulation module comprises an intensity modulation unit, a power amplification unit and a signal detection unit, wherein the intensity modulation unit is used for carrying out time domain waveform intensity modulation on an initial pulse laser signal according to a modulation signal and outputting a smart waveform pulse cluster optical fiber laser seed; the power amplification unit is used for improving the pulse output peak power of the smart waveform pulse cluster optical fiber laser seeds and outputting smart waveform high-energy laser; the signal detection unit is used for acquiring the output power and waveform data of the smart waveform high-energy laser in real time.
It should be noted that the intensity modulation unit, the power amplification unit, the signal detection unit and the processing module form a complete closed-loop feedback. The smart waveform high-energy pulse cluster optical fiber laser based on the adaptive disturbance vector algorithm of the closed-loop feedback scheme has the advantages of high efficiency and high precision. In the application of generating smart waveform high-power microwave, smart waveform parameters can be rapidly converted according to actual combat requirements.
In practical implementation, in the smart wave high-power microwave generation system provided by the embodiment of the invention, the pulse driving source 1 can be specifically used for applying voltage to the conductive photoconductive semiconductor switch 2 through silver paste transmission. The voltage output can be made 3kV to 10kV by setting the charging parameters of the pulse drive source 1. That is, the voltage applied by the pulse drive source 1 to the conducting photoconductive semiconductor switch 2 ranges from 3kV to 10kV.
In practical implementation, in the smart waveform high-power microwave generating system according to an embodiment of the present invention, the pulse driving source 1 may be any one of a capacitive storage type pulse generator, an inductive storage type pulse generator, a pulse forming linear pulse generator, and a Blumlein structure pulse generator.
In practical implementation, in the smart waveform high-power microwave generation system provided by the embodiment of the present invention, the material of the photoconductive semiconductor switch 2 is gallium arsenide or silicon carbide, and the thickness is in the mm order, for example, in the range of 1.5mm to 5 mm.
In practical implementation, in the smart wave high-power microwave generation system provided by the embodiment of the present invention, the output load 4 employs a broadband antenna or a push-pull link. When the photoconductive semiconductor switch 2 is turned on and the pulse driving source 1 loads voltage on the photoconductive semiconductor switch 2, the output load 4 receives smart wave high-power microwaves from the photoconductive semiconductor switch 2 and radiates the smart wave high-power microwaves. FIG. 2 is a laser waveform of a smart wave high-energy pulse cluster fiber laser 3, and FIG. 3 is a simulated smart wave high-power microwave waveform.
It should be pointed out that the traditional electronic vacuum device for generating high-power microwave is limited by the pulse driving source and the electromagnetic structure generated by microwave, the waveform and frequency are difficult to adjust, and the output of agile waveform, agile frequency and agile repetition frequency microwave is difficult to realize.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In summary, the present invention provides a smart waveform high power microwave generating system, which includes: the pulse driving source comprises a photoconductive semiconductor switch, a smart waveform high-energy pulse cluster optical fiber laser and an output load, wherein the photoconductive semiconductor switch and the smart waveform high-energy pulse cluster optical fiber laser are respectively connected with the pulse driving source; the smart waveform high-energy pulse cluster fiber laser is connected with the photoconductive semiconductor switch; the pulse driving source is used for inputting a trigger signal to the smart wave high-energy pulse cluster fiber laser; the smart waveform high-energy pulse cluster fiber laser is used for transmitting smart waveform high-energy laser to the photoconductive semiconductor switch; the photoconductive semiconductor switch is used for being in a conducting state after receiving the smart waveform high-energy laser; the pulse driving source is also used for loading voltage on the conducted photoconductive semiconductor switch so as to generate smart wave high-power microwaves; and the output load is used for outputting smart wave high-power microwaves. Thus, the smart waveform high-energy pulse cluster fiber laser is used as the excitation source of the optical guide device, so that smart waveform high-power microwaves are generated, and the striking effect of a high-power microwave weapon is expected to be improved.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The smart waveform high-power microwave generating system provided by the invention is described in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A smart wave high power microwave generation system comprising: the pulse driving source comprises a photoconductive semiconductor switch, a smart wave high-energy pulse cluster optical fiber laser and an output load, wherein the photoconductive semiconductor switch and the smart wave high-energy pulse cluster optical fiber laser are respectively connected with the pulse driving source; the smart waveform high-energy pulse cluster optical fiber laser is connected with the photoconductive semiconductor switch; wherein, the first and the second end of the pipe are connected with each other,
the pulse driving source is used for inputting a trigger signal to the smart waveform high-energy pulse cluster fiber laser;
the smart waveform high-energy pulse cluster optical fiber laser is used for transmitting smart waveform high-energy laser to the photoconductive semiconductor switch;
the photoconductive semiconductor switch is used for being in a conducting state after receiving the smart waveform high-energy laser;
the pulse driving source is also used for loading voltage to the conducted photoconductive semiconductor switch so as to generate smart wave high-power microwaves;
the output load is used for outputting the smart wave high-power microwave.
2. The smart waveform high power microwave generation system of claim 1 wherein the photoconductive semiconductor switches, in particular for absorbing photons incident from the smart waveform high energy pulse cluster fiber laser, excite electrons in valence band or deep energy level to conduction band, generate free electrons or electron-hole pairs, form free carriers, to be in on state.
3. The smart waveform high power microwave generation system of claim 1 wherein the smart waveform high energy pulse cluster fiber laser includes a processing module for updating a modulation signal using an adaptive perturbation appropriate amount algorithm to drive an output waveform of the smart waveform high energy laser toward a target waveform; the adaptive disturbance vector algorithm adopts a point-to-point adaptive correction mechanism to carry out iterative optimization until the output reaches the expected variance.
4. The smart waveform high power microwave generation system of claim 3 wherein the smart waveform high power pulse cluster fiber laser further comprises a modulation module for time domain waveform intensity modulation and peak power amplification of the initial pulsed laser signal based on the modulation signal, outputting the smart waveform high power laser.
5. The smart waveform high power microwave generation system of claim 4 wherein the smart waveform high energy pulse cluster fiber laser further comprises a generation module for generating the initial pulsed laser signal.
6. A smart waveform high power microwave generation system as claimed in claim 1 wherein the pulsed drive source is specifically configured to apply a voltage across the conducting photoconductive semiconductor switches via electro-silver paste transport.
7. The smart waveform high power microwave generation system of claim 1 wherein the pulse drive source is any one of a capacitive storage type pulse generator, an inductive storage type pulse generator, a pulse forming linear pulse generator, a Blumlein structure pulse generator.
8. The smart waveform high power microwave generation system of claim 1 wherein the pulsed drive source applies a voltage across the conducting photoconductive semiconductor switches in the range of 3kV to 10kV.
9. A smart waveform high power microwave generation system as claimed in claim 1 wherein the material of the photoconductive semiconductor switch is gallium arsenide or silicon carbide and the thickness is in the order of mm.
10. The smart waveform high power microwave generation system of claim 1 wherein the output load employs a broadband antenna or a push-pull link.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116232257A (en) * | 2023-03-15 | 2023-06-06 | 陕西炬脉瑞丰科技有限公司 | High-voltage waveform amplifying system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116232257A (en) * | 2023-03-15 | 2023-06-06 | 陕西炬脉瑞丰科技有限公司 | High-voltage waveform amplifying system and method |
| CN116232257B (en) * | 2023-03-15 | 2024-03-08 | 陕西炬脉瑞丰科技有限公司 | High-voltage waveform amplifying system and method |
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