431 results about "Microwave technology" patented technology

A preparation method of a self-suspending proppant for hydraulic fracturing is characterized in that solid ceramsite is changed into a porous reinforced structure, a self-repairing function is introduced, bio-based macromolecules are adopted to replace a traditional surfactant, the environmental protection property is improved, nano-deposition and microwave technologies are introduced, the performance is improved, meanwhile, the energy consumption is reduced, and the compression resistance enhancement and self-repairing characteristics are newly added; and the method adapts to more complex stratum working conditions.

The invention discloses a symmetrical structure S-band filter based on GaAs IPD, which belongs to the technical field of microwaves and comprises a first-order series resonance circuit, a coupling capacitor C1, a grounding inductor L2, a coupling capacitor C2, a second-order parallel resonance, a third-order parallel resonance, a grounding capacitor C6, a coupling capacitor C7, a fourth-order parallel resonance, a grounding capacitor C66, a fifth-order parallel resonance, a coupling capacitor C22 and a grounding inductor L22. And a coupling capacitor C11 and a sixth-order series resonance. The third-order parallel resonance and the fourth-order parallel resonance can improve the low-frequency out-of-band suppression degree of the band-pass filter; the first-order series resonance and the sixth-order series resonance as well as the second-order parallel resonance and the fifth-order parallel resonance can improve the high-frequency out-of-band suppression degree of the band-pass filter.

The invention provides a broadband tunable low-phase-noise photo-generated microwave signal source and device, and relates to the technical field of photo-generated microwaves. According to the invention, a low-frequency optical pulse and a high-frequency microwave signal are respectively input into the electro-optical sampling phase-locked loop; and the electro-optical sampling phase-locked loop determines the synchronization error of the optical pulse and the microwave signal based on the phase difference between the optical pulse center point and the microwave signal zero crossing point. And taking the synchronization error as a feedback signal, and continuously adjusting the frequency and the phase of the microwave signal by the voltage-controlled oscillation module until the frequency and the phase are synchronized with the Nth harmonic of the optical pulse. By setting different initial frequencies of the voltage-controlled oscillation module, microwave signals with different integral multiple optical pulse frequencies can be obtained, and broadband tuning of photo-generated microwave signals is realized. Furthermore, the repetition frequency of the frequency comb is locked through beat frequency of two beams of reference laser and two adjacent comb teeth, the stability of the reference laser is transmitted to the optical pulse, and the stability of the reference laser is further transmitted to the microwave signal through synchronization of the optical pulse and the microwave signal, so that the phase noise of the photo-generated microwave signal source is reduced.

The invention discloses a relativistic magnetron with an adjustable working mode, and belongs to the technical field of high-power microwaves. The relativistic magnetron comprises a cathode assembly, an anode assembly, an output structure assembly and a tuning assembly, the tuning assembly comprises a tunable short circuit surface, a tuning knob and a telescopic rod. On the basis of the inherent structure of the relativistic magnetron, the position of the short circuit surface in the relativistic magnetron is mechanically adjusted, so that the purpose of switching the working mode and the output signal mode in the resonant cavity is achieved, the problem that the working mode of a traditional relativistic magnetron is single is solved, and multi-frequency-point working of the relativistic magnetron is achieved.

The invention discloses a transmitting and absorbing integrated three-dimensional frequency selection wave absorber based on an SSPP structure, and belongs to the technical field of microwaves. The invention aims to solve the problems that an existing wave-transmitting and wave-absorbing integrated frequency selection structure cannot meet the characteristics of good permeability and wide wave-absorbing band at the same time, a large number of lumped resistors need to be installed on a wave-absorbing layer to increase the wave-absorbing band width, and the manufacturing difficulty and the total cost are increased. The transmission and absorption integrated three-dimensional frequency selection wave absorber is formed by periodically arranging wave absorber units; the wave absorber unit is composed of an FSS structure unit and a three-dimensional wave absorbing structure unit. The FSS structure unit sequentially comprises a first substrate and a metal pattern layer from bottom to top; the three-dimensional wave-absorbing structure unit is vertically arranged on the upper surface of the FSS structure unit; the three-dimensional wave-absorbing structure unit is formed by two second substrates which are arranged in a crossed manner along two diagonals of the FSS structure unit, and metal strip-shaped groups are symmetrically arranged on the surfaces of the two sides of the second substrates. The invention is used for the transmitting and absorbing integrated three-dimensional frequency selection wave absorber based on the SSPP structure.

The invention belongs to the technical field of microwave sources in the high-power microwave technology, and particularly relates to a compact full-cavity extraction relativistic magnetron based on metamaterials. Compared with a traditional full-cavity extraction relativistic magnetron based on a metamaterial resonance structure, the compact full-cavity extraction relativistic magnetron based on the metamaterial resonance structure introduces a microwave transmission region behind an anode, and also introduces a metamaterial structure into the microwave transmission region; through the design, microwaves can be radially coupled and output behind the resonant cavity, so that an excitation system can be directly loaded outside the anode block, the inner diameter size of the excitation system is effectively reduced, the miniaturization advantage of the metamaterial is fully played, and the compactness and the light miniaturization degree of the whole high-power microwave system are further improved.

The invention relates to a neural network angle measurement method applied to a beam waveguide reflector antenna, and belongs to the technical field of microwaves. Building a neural network angle measurement system applied to the beam waveguide reflector antenna, wherein the neural network angle measurement system comprises a receiving antenna array and a neural network angle measurement model; acquiring two-dimensional directional diagram data; in a non-uniform radiation field, echo signal amplitude information received by a 16 horn antenna feed source is used as input of an angle measurement system, an azimuth angle and a pitch angle are used as output of the angle measurement system, and neural network training is carried out; and deploying the generated neural network angle measurement model in an echo receiving and processing system. According to the characteristic that different array antenna energy distributions correspond to different echo incident directions, angle measurement is carried out by using a neural network algorithm. According to the angle measurement system trained through the neural network algorithm, an accurate angle measurement result can be obtained.

The invention relates to the technical field of electromagnetic fields and microwaves, in particular to a high-order dual-band band-pass frequency selective surface, which comprises an upper metal layer, a dielectric substrate and a lower metal layer, and is characterized in that the dielectric substrate is arranged between the upper metal layer and the lower metal layer; a large rectangular ring gap and four small rectangular ring gaps are etched on the upper metal layer and the lower metal layer respectively, the four small rectangular ring gaps are located on the four edges of the large rectangular ring gap, and four small rectangular metal patches, a large rectangular metal patch and irregular peripheral metal patches are adopted after etching. According to the invention, the overall performance of the frequency selective surface can be enhanced, so that the frequency selective surface shows more excellent selectivity and stability in multi-band application.

The invention relates to the technical field of communication technology and sensing technology application, and discloses a Zigbee-based vehicle-mounted child retention prevention monitoring system which is composed of a vehicle body state detection module, a human body induction detection module, a child physiology detection module, an in-vehicle environment detection module and an emergency measure module. The running state of an automobile is monitored in real time, the flameout state is particularly concerned, preconditions are provided for child monitoring, whether passengers stay in the automobile or not is detected through the high-frequency microwave technology, the breathing and heartbeat signals are monitored, life activities are accurately recognized, false alarms caused by toys or other objects are avoided, meanwhile, the image sensor is adopted, and the safety of children is improved. Through the face recognition technology, whether the passenger identity is a child or not is accurately recognized, the accuracy of child retention detection is ensured, and the beneficial effects that the event that the child is retained in the vehicle is found in time and a correct response is made are achieved.

The invention discloses a high-power magnetron microwave source design method, and belongs to the technical field of microwaves. The advanced series-parallel switch circuit topology technology is adopted, an anode high-voltage power supply, a filament power supply, a control protection unit and the like are integrated, only a connecting port of a transition waveguide and a transmitting antenna is exposed, and the time for mounting the microwave generator is shortened. The stability and reliability of the magnetron are improved, and the service life of the magnetron is prolonged. The LED lamp has comprehensive protection functions of ignition protection, anode overvoltage and overcurrent protection, filament overcurrent and undercurrent protection and the like, has the characteristics of high reliability, safety, high efficiency, high stability, low EMI (Electro-Magnetic Interference) and the like, and has a state display function.

The invention relates to the technical field of electromagnetic fields and microwaves, and discloses a broadband high-integration-level dual-circularly polarized antenna which comprises an ultra-wideband self-compensation structure plane radiation surface, an ultra-wideband special-shaped reflection cavity, an ultra-wideband impedance transformer and an ultra-wideband integrated dual-polarized feed network. Wherein the ultra-wide-band self-compensation structure plane radiation surface is arranged at the forward position of the ultra-wide-band special-shaped reflection cavity, and radiation of ultra-wide-band dual circularly polarized waves is executed; the ultra-wide-band special-shaped reflection cavity executes matching and forward reflection of ultra-wide-band backward electromagnetic waves; the ultra-wideband impedance transformer executes radio frequency connection and impedance conversion between the ultra-wideband self-compensation structure plane radiation surface and the ultra-wideband integrated dual-polarization feed network; the ultra-wideband integrated dual-polarization feed network performs conversion from an unbalanced signal to a balanced signal and formation of a dual-circularly polarized signal. Unification of directional diagrams, polarization, axial ratio and standing wave bandwidth of more than 15: 1 frequency multiplication can be realized, and the ultra-wideband dual-circular polarization antenna has the advantages of ultra-wideband, miniaturization, constant wave beam and dual-circular polarization.

The invention discloses an internal and external solving method for obtaining electromagnetic scattering characteristics of a cavity-containing target, and relates to the technical field of electromagnetic fields and microwaves, and the method comprises the following steps: decomposing a cavity-containing structure into a cavity internal part and a cavity external part, and building a Huygens equivalent surface on the aperture surface of the boundary between the cavity internal part and the cavity external part; the consistency of electromagnetic modeling solutions before and after internal and external partitioning is ensured by utilizing continuity conditions of current and an electromagnetic field; different solving methods are selected in the inner structure and the outer structure respectively, the interior of the cavity is calculated by combining a cascade method with a rapid direct solving technology, the exterior of the cavity is calculated by adopting a parallel multilayer rapid multi-pole algorithm, and finally, iterative solving of the inner region and the outer region is carried out by utilizing an iterative algorithm, so that the RCS scattering characteristic of the whole cavity-containing structure meeting the calculation requirement is obtained. According to the method, the flexibility of electromagnetic scattering modeling of the target with the cavity is improved, the problem of internal resonance caused by a cavity structure is solved, and the electromagnetic scattering solving capability of the target with the cavity is remarkably improved.

The invention discloses a device and method for simultaneously measuring the two-dimensional angle of arrival and Doppler frequency shift of microwave photons, and belongs to the technical field of optical communication and microwaves, and the device is characterized in that an output port of a laser is connected with an optical input port of a PDM-DPMZM, and an optical output port of the PDM-DPMZM is connected with a common input end of an optical beam splitter; a first output port of the optical beam splitter is connected with a common input port of a first polarization beam splitter PBS1, and two output ports of the PBS1 are respectively connected with two optical input ports of a first balance photoelectric detector BPD1; an output port II of the light beam splitter is connected with a common input port of a polarization beam splitter II PBS2; and two output ports of the PBS2 are respectively connected with two light input ports of a balance photoelectric detector I BPD2. The device is simple in structure, and can solve the problem of low positioning precision in an existing simultaneous arrival angle and DFS measurement scheme.

The invention relates to a relativistic magnetron for full-cavity extraction and radial output, and belongs to the technical field of high-power microwaves, the relativistic magnetron comprises an anode, a cathode and a magnet, the anode comprises an anode block and an anode shell, a fan-shaped waveguide and a rectangular waveguide are arranged on the periphery of the anode shell, and the rectangular waveguide is arranged in the radial direction of the anode shell; the fan-shaped waveguide is provided with two short-circuit surfaces in the axial direction of the anode shell, one end of the rectangular waveguide is connected with one short-circuit surface of the fan-shaped waveguide, and the technical problems that in the prior art, the periodic symmetry of an interaction area is poor, the inner diameter of a magnet is large, and light and small size cannot be achieved can be solved.

The invention discloses a relativistic magnetron with an energy feedback structure, and belongs to the technical field of microwaves. The relativistic magnetron is of a full-cavity extraction structure and comprises an anode, a cathode, an energy extraction structure and a guide magnetic field coil. According to the energy extraction structure, an annular microwave reflecting plate is adopted in an output circular waveguide part, part of energy is reflected back to a gap between a cathode and an anode, the interaction between electron cloud and space electromagnetic waves is enhanced, and the output power of a relativistic magnetron is improved. According to the relativistic magnetron, the output power of the relativistic magnetron is effectively improved while the compactness of the device is ensured; meanwhile, the energy feedback structure is simple and easy to process.

The invention discloses a hybrid cascade band-pass frequency selective surface with flexibly designed pass-stop bands, and belongs to the technical field of electromagnetic fields and microwaves. The frequency selective surface is composed of two layers of structures, wherein the upper layer is of a grid square ring structure, and the lower layer is of a double-square ring structure. Under the condition that an additional electromagnetic structure is not introduced, the equivalent interlayer spacing of the upper-layer structure and the lower-layer structure is increased through staggered design of the upper-layer unit and the lower-layer unit, and the large-angle stability of the frequency selective surface is improved. According to the frequency selective surface, stable transmission performance of electromagnetic waves can be achieved within the frequency band of 3.3-3.8 GHz under the condition of different polarization and angle incidence, meanwhile, the frequency band where the pass-stop band of the frequency selective surface is located can adjust the side length size of the related square ring structure to achieve flexible design, and the frequency selective surface has the advantages of being simple in structure, low in cost and easy to popularize. The frequency selective surface has a transmission zero point outside a passband, so that a good stop-band characteristic can be realized.

The utility model discloses a high-gain ultra-wideband antenna based on a metamaterial frequency selective surface, and relates to the technical field of electromagnetic materials and antenna microwaves. The high-gain ultra-wideband antenna of the utility model is composed of an ultra-wideband microstrip antenna and a frequency selective surface. The ultra-wideband microstrip antenna comprises a top layer, a middle layer and a bottom layer grounding plate; the top layer is composed of a circular radiation patch and a rectangular microstrip feeder line; the middle layer is a first dielectric substrate; the frequency selective surface is formed by periodically arranging a plurality of surface unit structures; the surface unit structure is composed of a metal unit layer and a second dielectric substrate, a circular groove is formed in the center of the metal unit layer, four right-angle grooves are evenly distributed around the circular groove, and four right-angle wire grooves are correspondingly formed outside the four right-angle grooves. Through the loaded frequency selection surface structure, the back radiation loss of the ultra wide band antenna can be reduced in the UWB (3.1 GHz-10.6 GHz) frequency band, the antenna gain can be effectively improved, and the ultra wide band antenna has the characteristics of miniaturization and low cost.

The utility model provides a radio frequency device in quantum computing based on module packaging, which can be applied to the technical field of quantum computing and microwaves. The device comprises a high-frequency board, a power board and a packaging shell, the high-frequency board comprises an amplification module and a power division module, the amplification module comprises an amplifier chip and is used for amplifying an input radio-frequency signal, the power division module comprises N stages of power sub-modules, the nth stage of power sub-module comprises 2n paths of output ends, the power division module is used for performing power distribution processing on the radio frequency signals amplified by the amplification module based on the N-stage power division module so as to output multiple paths of target radio frequency signals with coherent phases and the same amplitude from multiple paths of output ends; the power panel is used for converting one path of input voltage input signal into at least one path of voltage output signal and supplying power to the amplification module of the high-frequency board; the packaging shell comprises a main shell, a microwave surface inner cover plate and a main cover plate, and the packaging shell is used for bearing the high-frequency board and the power board and shielding external electromagnetic interference.

The invention discloses a non-metal and metal material gluing and curing method and system based on frequency conversion microwaves. The method comprises the steps that a non-metal material to be glued, a metal material to be glued and an adhesive are obtained; coating and activating a non-metallic material and a metallic material to be glued with an adhesive so as to enhance the permeability and adhesion of the adhesive; and alternately curing the non-metal material and the metal material which are glued by utilizing a frequency conversion microwave technology, controlling the environment atmosphere in the curing process, and cooling after curing is completed. By utilizing the embodiment of the invention, the performance of the adhesive can be effectively improved, so that a stronger bonding effect and better comprehensive performance of the material are realized.

The invention relates to the technical field of electromagnetic fields and microwaves, and provides an ultra-wideband tight coupling metal dipole antenna array with a wave trapping characteristic, which comprises a tight coupling metal dipole array positioned at the lower part and a planar wave absorbing structure positioned at the upper part, the tight coupling metal dipole array comprises M * N metal dipole units, the planar wave absorbing structure comprises M * N planar wave absorbing units, and each metal dipole unit comprises a left gradual change type dipole arm, a right gradual change type dipole arm, a left coupling metal piece, a right coupling metal piece, a feed printed board, a planar metal floor and a feed coaxial line; the planar wave absorbing unit comprises a supporting dielectric sheet, a planar dielectric substrate and printed patch layers, and the printed patch layers are printed on the upper surface and the lower surface of the planar dielectric substrate. And the central frequency point and the bandwidth of the notch frequency band can be adjusted by changing the electrical length and the rotation angle of the patch in the printed patch layer.

The invention belongs to the technical field of electromagnetic microwaves, and particularly discloses an ultra-wideband wave-absorbing material based on a three-layer metasurface and application of the ultra-wideband wave-absorbing material based on the three-layer metasurface. Each wave-absorbing resonance unit comprises a first resistor loading metasurface layer, a first resistor loading metasurface substrate, a first resistor element, a first resistor loading metasurface supporting dielectric layer, a second resistor loading metasurface substrate, a second resistor loading metasurface layer and a second resistor element which are sequentially arranged from top to bottom; the device comprises a first resistor loading metasurface substrate, a second resistor loading metasurface supporting dielectric layer, a third resistor loading metasurface layer, a third resistor loading metasurface substrate, a third resistor element, a third resistor loading metasurface supporting dielectric layer and a pure metal backboard. According to the ultra-wideband wave-absorbing material based on the three-layer metasurface and the application of the ultra-wideband wave-absorbing material, 90% of ultra-wideband wave absorption can be achieved under a small-size structure, and the ultra-wideband wave-absorbing material has extremely high strategic value in the fields of electromagnetic stealth and the like.

The invention relates to the technical field of radio frequency microwaves, in particular to a reconfigurable radio frequency MEMS attenuator based on an attenuation network, which comprises a plurality of attenuation units, the attenuation units are sequentially connected in series and mounted on a substrate, and the output ends of the attenuation units are provided with signal output lines; the attenuation unit is provided with a Y-type power divider, the input end of the Y-type power divider is connected with a signal input line, the output end of the Y-type power divider is connected with an attenuation circuit and a straight-through circuit in parallel, and the output ends of the attenuation circuit and the straight-through circuit are connected with the signal output line; and the attenuation network is arranged on the attenuation circuit. According to the invention, the parasitic effect can be inhibited and the reflection effect can be reduced.

The invention discloses a single-power-supply ultra-wideband temperature compensation low-noise amplifier circuit, and belongs to the technical field of radio frequency microwaves. The circuit is mainly composed of a pre-stage low-noise amplifier module, an inter-stage temperature compensation equalization module and a post-stage driving amplifier module. The temperature compensation equalizer module generates differential voltage related to temperature through a three-stage gallium arsenide diode temperature sensing unit, outputs a control signal through an enhanced FET differential amplification circuit, drives a voltage-controlled attenuation equalizer to dynamically adjust the attenuation amount of a radio frequency signal, and achieves gain stability in a frequency band. Through the collaborative design of a blocking capacitor and a divider resistor, the grid bias of an FET switch is strictly limited in a transconductance linear adjustment interval, and the interval covers 80% of the effective range of the threshold voltage of a gallium arsenide FET tube. The circuit is powered by a single power supply + 5V, stable work of each module is ensured through active bias and a power supply filter network, and the circuit is suitable for extreme temperature environments such as high-frequency communication and radar.

The invention belongs to the crossing field of a microwave technology and a sensing technology, and particularly relates to a microwave dielectric parameter measurement sensor based on a micro-flow pipeline embedded in a substrate, and one surface of the substrate is provided with a microstrip transmission line and a resonant structure; the microstrip transmission line is used for exciting and transmitting microwave signals; the resonant structure is used for enhancing electromagnetic field distribution in a certain area of the substrate; a micro-flow pipeline is embedded in the substrate and is used for accurately conveying a substance to be detected to an area where electromagnetic energy is most concentrated; a grounding layer is arranged on one side of the substrate and used for restraining an electromagnetic field, and energy of the electromagnetic field is mainly concentrated in the substrate. The micro-flow pipeline is embedded in a strong electric field area in the substrate, so that a to-be-measured substance directly interacts with an electromagnetic energy concentration area, and dielectric parameter measurement which is compact in structure, high in sensitivity and high in precision is achieved. The sensor provided by the invention has wide application prospects in the fields of biomedical detection, chemical analysis, environmental monitoring, industrial process control and the like.

The invention relates to a microwave technology-based PtFe / NF nanosheet rapid preparation method, which is characterized in that chloroplatinic acid, ferric nitrate and foamed nickel are used as raw materials, an ethanol-water mixed solution is used as a solvent, and efficient synthesis of a PtFe / NF nanosheet is realized through a microwave reactor. The preparation technology has the remarkable advantages of being easy and convenient to operate, environmentally friendly, high in reaction rate and the like, the prepared PtFe / NF nanosheet shows good application prospects in the field of electrolytic hydrogen production of alkaline fresh water and alkaline seawater, and an innovative solution is expected to be provided for a hydrogen energy preparation technology.

The invention relates to the technical field of microwaves, and provides an electromagnetic periodic array structure, which comprises a plurality of first dielectric plates and a plurality of second dielectric plates, the plurality of first dielectric plates are arranged at intervals along a first direction, the plurality of second dielectric plates are arranged at intervals along a second direction, and the first direction intersects with the second direction; each first dielectric plate is pivotally connected with the plurality of second dielectric plates around a third direction to form a plurality of array units with parallelogram-shaped openings and variable included angles, and the third direction is perpendicular to the first direction and the second direction. According to the electromagnetic periodic array structure, the reconfigurable frequency selective surface is realized by utilizing the mechanical structure of the electromagnetic periodic array structure, the adjustment is relatively convenient, the cost is low, the reliability is high, and the problems that an external control circuit is complicated and the cost is increased possibly due to the fact that a large number of active devices are used on an active frequency selective surface are solved.

The invention discloses a method for treating wastewater in a chlorobenzene production process, and belongs to the technical field of wastewater treatment. The wastewater treatment method specifically relates to a method for adsorbing and treating chlorobenzene production wastewater containing benzene and chlorobenzene by using hydrophobic modified activated carbon as an adsorbent. According to the method, the activated carbon is subjected to hydrophobic modification, so that the adsorption effect of the activated carbon on non-polar benzene and chlorobenzene can be improved; and the activated carbon is desorbed by using a microwave technology, so that the activated carbon can be quickly regenerated. The content of benzene and the content of chlorobenzene in the treated chlorobenzene wastewater both reach the first-grade discharge standard.

The utility model relates to the technical field of radio frequency and microwave, in particular to a linearization circuit of a power amplifier, which comprises the power amplifier used for amplifying an input signal and providing required output power; the bias circuit is used for providing bias voltage for the power amplifier and controlling the change characteristic of a quiescent operating point of the power amplifier along with the temperature and the power; the active feedback circuit comprises a first connection point P1, a second connection point P2 and a third connection point P3, the active feedback circuit effectively reduces nonlinear distortion of the power amplifier through a negative feedback mechanism, and the nonlinear distortion of the power amplifier is effectively reduced by adjusting a first resistor R5, a second resistor R4, a third resistor R1 and a fourth resistor R3. The feedback circuit can be controlled to work in a critical region of a saturation region and a linear region, so that the linearity of the power amplifier can be optimized.

The invention relates to a microwave source device in the technical field of high-power microwaves, in particular to an L-band compact relativistic Cerenkov microwave generating device, and belongs to the technical field of high-power microwaves. Comprising a cathode structure, an external electromagnetic structure and an internal electromagnetic structure, and the cathode structure comprises a cathode seat and a cathode; the external electromagnetic structure comprises an anode outer cylinder, an outer cut-off neck, outer conductor ripples, a collector, a collector baffle and a solenoid coil; the internal electromagnetic structure comprises an inner cut-off neck, an inner conductor ripple, a short circuit block and a microwave output port; the whole structure is rotationally symmetrical about a central axis; through reasonable design of an electromagnetic structure, a coaxial non-uniform double-ripple slow-wave structure is adopted to enhance beam-wave coupling, a high-efficiency beam-wave effect is realized in a relatively short period, and a coaxial collector structure is adopted to improve the resonance characteristic of the slow-wave structure to reduce the axial size, so that miniaturization and compactness of the device are realized.

This invention discloses a high-efficiency microwave pulse compressor, belonging to the field of high-power microwave technology. It includes a first mode converter, a first transition structure, a dispersion structure, a second transition structure, a second mode converter, and a radiation structure. These components are connected in series. The first mode converter converts the mode of the input microwave pulse into the operating mode of the dispersion structure. The mode-converted microwave pulse is efficiently transmitted to the dispersion structure via the transition structure. The dispersion structure compresses the input frequency-modulated pulse. The second transition structure and the second mode converter convert the compressed high-power short pulse into the microwave mode required for radiation. The radiation structure directionally radiates the high-power short microwave pulse to a space target. This high-efficiency microwave pulse compressor features a simple system, compact structure, and large power capacity. It has good application prospects in microwave source arraying and modularization, and is expected to improve the performance of high-power microwave systems.