160 results about "Microwave transmission" patented technology

The invention provides a heavy oil thermal-flow coupling development experimental device and method based on microwave-assisted gravity drainage, and belongs to the field of oil-gas field development. The experimental device comprises a three-dimensional oil reservoir simulation system, a microwave-assisted heating system, a horizontal well injection-production regulation and control system and a multi-field monitoring system; the microwave auxiliary heating system comprises a microwave generation regulation and control system, a microwave transmission system and a shaft integrated microwave radiator, the microwave generation regulation and control system comprises an industrial grade microwave generator, a power regulator and a PLC, and the microwave transmission system comprises a microwave coaxial cable and a microwave waveguide tube bundle; and the microwave generator is continuously connected with the microwave waveguide tube bundle and the shaft integrated microwave radiator. According to the heavy oil thermal-flow coupling development experimental device and method based on microwave-assisted gravity oil drainage, the technical problems that an existing deep heavy oil thermal recovery experimental device cannot reproduce a'thermal-flow-force 'multi-field coupling environment, the microwave heating adaptability is poor, and the experimental scale and the field deviation is large are solved. The heavy oil thermal-flow coupling development experimental device and method based on microwave-assisted gravity oil drainage solve the technical problems that an existing deep heavy oil thermal recovery experimental device cannot reproduce the'thermal-flow-force' multi-field coupling environment.

The invention discloses a highly packaged magnetic sensing chip based on an NV color center, and the chip comprises a packaging housing (1) which is provided with a packaging pedestal and chip pins. The chip is characterized in that the chip also comprises an NV color center diamond (2) which is arranged on the packaging base; the laser diode bare chip (3) is arranged on the packaging base, and the light-emitting side of the laser diode bare chip faces the NV color center diamond; the microwave transmission microstrip line (4) is arranged between the interior and the edge of the packaging base and is electrically connected with the chip pins; the first photoelectric detector assembly (5) is arranged on the NV color center diamond and used for collecting fluorescence signals.

The invention relates to the technical field of moisture content measurement, and discloses a corrugated board moisture content measurement method and system, and the method comprises near infrared spectrum data, microwave transmission data and acoustic vibration data; calculating a spectral feature vector; constructing a microwave response matrix; determining an acoustic damping coefficient; calculating stability indexes of the spectral feature vector, the microwave response matrix and the acoustic damping coefficient in a preset time window, and calculating a consistency index and a confidence coefficient weight; fusing the spectral feature vector, the microwave response matrix and the water content corresponding to the acoustic damping coefficient through a Kalman filtering algorithm, and outputting initial water content; dynamically adjusting a process noise covariance matrix of Kalman filtering, and when the residual error of any data source exceeds a preset statistical threshold value, resetting the confidence coefficient weight corresponding to the data source to zero; and repeatedly executing fusion, and outputting the water content. According to the method, three measurement means of near infrared, microwave and acoustics are adopted, the water content state of the corrugated board can be represented more comprehensively, and the water content measurement precision is improved.

The quantum current transformer based on the optical fiber isolation microwave transmission comprises a high-voltage primary side which comprises a magnetic shielding ring and an NV color center magnetic sensing probe module, and a magnetic sensing probe is arranged in the magnetic shielding ring; at the low-voltage secondary side, the microwave system is used for generating radio-frequency signals in a preset frequency range and transmitting the radio-frequency signals to the NV color center magnetic-sensing probe module, the laser system is used for generating continuous laser and transmitting the continuous laser to the NV color center magnetic-sensing probe module, and the microwave system and the laser system are used in cooperation to drive the NV color center to generate fluorescence signals representing the magnetic field intensity. A fluorescence signal is transmitted to the data processing system to calculate to-be-detected current information; wherein the microwave system is connected with the NV color center magnetic sensing probe module through an optical fiber, the microwave system modulates the radio frequency signal into an optical signal, transmits the optical signal to the NV color center magnetic sensing probe module, and restores the optical signal into the radio frequency signal in the NV color center magnetic sensing probe module to be received. According to the transformer, stable transmission of microwave signals under the high-low voltage isolation condition is achieved, the design is reasonable and exquisite, and the measurement precision is high.

The present invention provides a dual board patch array antenna, comprising: a radio board; a first-layer antenna board and a second-layer antenna board; the ground plane of the radio board is in contact with the first radiation ground plane of the first-layer antenna board through a patch-type conductive pad to form an extended ground area of ground connection; the probes of the radio board pass through and contact the patch microwave transmission line of the first-layer antenna board to form an electrical connection; wherein the patch microwave transmission line is assigned to the antenna radiating element of the second-layer antenna board as a vertically polarized antenna and a horizontally polarized antenna; the antenna radiating element contacts the first radiation surface on the first-layer antenna board through the conductor pad on the first layer antenna board, so as to expand the radiation surface area of the dual board patch array antenna.

The utility model relates to the technical field of microwave heating equipment, and provides a microwave stirring device which comprises a frame body, a microwave source, a microwave transmission channel, a rotating table and a driving mechanism, the microwave source is arranged on the frame body; the microwave transmission channel is arranged on the frame body; the microwave transmission channel is communicated with the microwave source and the cooking cavity; the rotating table is located in the microwave transmission channel; the rotating table is rotationally arranged on the frame body around a preset axis; a through hole for microwaves to pass through is formed in the rotating table; the driving mechanism is used for driving the rotating table to rotate; and the driving mechanism is arranged on the frame body.

The invention discloses a temperature monitoring system suitable for a fusion reactor low-clutter system and an over-temperature protection method. The temperature monitoring system comprises a high-speed temperature acquisition unit, a thermocouple sensor, an industrial control upper computer and a database server. A microwave excitation signal of the microwave excitation source is amplified by the microwave source klystron and then transmitted to the low-clutter coupled antenna through the microwave transmission line, and a plurality of temperature measuring points are arranged on the waveguide surface of the microwave transmission line and the end face of the low-clutter coupled antenna. Measurement output ends of the thermocouple sensors are uniformly accessed and gathered into the high-speed temperature acquisition unit and are uploaded to the industrial control upper computer, and the industrial control upper computer records and stores acquired multi-channel real-time temperature data, control signal output values and alarm events into the database server. The method has the advantages that early warning and temperature regulation are carried out for potential thermal runaway faults, so that the equipment safety of a high-power microwave transmission device and the normal operation of a low-clutter current driving system are guaranteed.

The application relates to the field of microwave transmission and discloses a microwave signal joint processing method based on a composite channel, which realizes joint processing of low-temperature high-sensitivity receiving channel signals and normal-temperature traditional receiving channel signals through mutual fusion, mutual verification and joint processing of the two kinds of channel signals, can significantly improve the signal-to-noise ratio and receiving accuracy of the system, and can effectively eliminate the influence of false signals, reduce the false alarm rate of a radar or electronic reconnaissance system, and protect the low-temperature high-sensitivity receiving channel from being burned out by closing the channel through a switch matrix or carrying out attenuation processing in the front end of the channel when a large signal exists.

The invention discloses an anti-interference dynamic optimization system and method for radio and television microwave transmission quality. The system comprises a multi-dimensional interference sensing module, a multi-index quality evaluation module, a coupling relation decoupling modeling module, a dynamic optimization decision module and a closed-loop feedback reconstruction module. According to the method, multi-dimensional interference characteristic parameters are collected, a multi-dimensional transmission quality index system is constructed, a comprehensive evaluation value is calculated, a nonlinear coupling relation model is established to recognize dominant interference factors, an optimization objective function is solved to generate a parameter optimization scheme, and self-adaptive optimization is achieved through online reconstruction and closed-loop feedback. According to the invention, accurate sensing and distinguishing of multi-source interference are realized, transmission link parameters are optimized in a targeted manner, and the stability and reliability of broadcast television microwave transmission quality in a complex electromagnetic environment are improved.

The utility model discloses a kind of vacuum packaging structures of microwave transmission device, for forming the microwave energy transmission environment of vacuum, including packaging shell and the cover plate of setting packaging shell, the cable hole for power line bundle to enter is opened in packaging shell, sealing mechanism is set at cable hole and is blocked;The sealing ring is set between the contact surface of cover plate and packaging shell, lock catch plate is set in the outer periphery of cover plate, lock catch plate and cover plate edge rotation cooperation, the buckle block of being coupled of lock catch plate is set to packaging shell outer wall, the buckle block is slidably connected with packaging shell along the direction perpendicular to the board surface of cover plate, the utility model will buckle block sliding arrangement, and buckle block is moved by sliding drive mechanism, can be closed, first lock catch plate and buckle block are connected, then locking is carried out by sliding drive mechanism, so as to can reduce installation difficulty, and the compression tightness of sealing ring is flexibly controlled and adjusted.

The invention provides a multi-quantum-bit control system and method, and relates to the technical field of superconducting quantum computing. The multi-quantum bit control system comprises a first common microwave transmission line and a quantum bit measurement and control unit. The quantum bit measurement and control unit comprises a superconducting quantum bit; the quantum bit driving cavity applies a driving microwave pulse for near resonance with the superconducting quantum bit to the quantum bit driving cavity through a first common microwave transmission line, and the frequency of the driving microwave pulse is matched with the resonant frequency of the quantum bit driving cavity, so that the quantum bit driving cavity generates near resonance, and the superconducting quantum bit is driven. Performing a single quantum bit gate operation on the superconducting quantum bits; and the quantum bit magnetic flux bias circuit is in coupled connection with the superconducting quantum bit and is used for applying a first bias pulse signal to the superconducting quantum bit so as to adjust the quantum bit frequency of the superconducting quantum bit, so that the superconducting quantum bit and the quantum bit driving cavity are in near resonance.

The application discloses an electron cyclotron resonance ion source, which comprises a plurality of microwave transmission modules, a plurality of microwave resonance cavities, a plasma generation chamber and a magnetic field module, the microwave transmission module comprises a microwave source, an impedance matcher and a waveguide, the microwave source is used for generating and emitting microwaves, the microwave sources generate microwaves with the same or different frequencies, the inlet of the waveguide is connected with the microwave source, and the outlet is connected with the microwave resonance cavity, each waveguide is connected with one microwave resonance cavity, the impedance matcher is used for adjusting the frequency and standing wave of the microwaves and realizing impedance matching of microwave feeding, the inlet of the plasma generation chamber is connected with the outlets of the plurality of microwave resonance cavities, free electrons are formed at the boundary of the plasma generation chamber and the plurality of microwave resonance cavities, and the magnetic field module is used for generating a magnetic field, so that the free electrons make spiral motion in the plasma generation chamber and collide with background gas introduced into the plasma generation chamber to generate plasma. The electron cyclotron resonance ion source can realize multi-frequency microwave feeding and improve the uniformity of plasma.

The invention discloses a delay measurement system and method for a microwave over fiber transmission link, and belongs to the technical field of microwave photonics. The modulator is used for modulating the radio-frequency signal generated by the radio-frequency signal generator to an optical carrier and generating modulated light containing + / -1-order sidebands; the radio frequency signal is a dual-tone signal with the frequency range of 30 GHz to 70 GHz; the frequency shift unit is used for performing frequency shift on the modulated optical signal; and the dual-optical mixing unit is used for mixing the return signal and the reference signal and converting the phase shift direct detection of the high-frequency signal into the relative phase shift detection of the intermediate-frequency signal. A dual-tone signal is modulated into a 1550nm optical carrier, + / -1-order sidebands are separated through a dual-optical mixing structure, intermediate frequency signals of the + / -1-order sidebands are detected through a balanced photoelectric detector, and phases are detected, so that link transmission delay is calculated. The problem of phase ambiguity of high-frequency signals during large-range measurement is solved, and large-range absolute delay measurement is realized.

This heater assembly comprises: an oscillation unit that generates microwaves; a resonance unit that comprises an insertion space in which an aerosol-generating article is accommodated, and that heats the aerosol-generating article by resonance of the microwaves; and a microwave output unit that transmits the microwaves generated by the oscillation unit to the resonance unit, wherein the microwave output unit connected to the oscillation unit is screw-coupled to one region of the resonance unit, thereby coupling the oscillation unit to the resonance unit.

The invention provides an electromagnetic wave space conduction blocking structure of a microwave transmission system. The electromagnetic wave space conduction blocking structure comprises a strip-shaped box body, a shielding cover plate covers the box body, the box body and the shielding cover plate form a strip-shaped closed inner cavity, a first microwave subsystem and a second microwave subsystem are respectively mounted at two ends of the inner cavity, the first microwave subsystem and the second microwave subsystem are connected through a microwave circuit, an inward boss structure is arranged in the middle of the shielding cover plate, and the boss structure abuts against the microwave circuit. According to the invention, the cover plate and the retaining wall are fused into the inverted cavity, so that the complexity of the microwave partition cavity is simplified, and the retaining wall is reasonably arranged, so that the isolation of the microwave transmission system is further improved; by using the substrate integrated waveguide, the retaining wall can be directly contacted with the transmission line so as to be tightly contacted with the printed board, transmission of leaked electromagnetic signals in the inner cavity of the microwave assembly can be completely blocked through structure fastening and conductive material filling, and signal crosstalk of a system is thoroughly avoided.

The application provides a flexible antenna array-based distance-measurable microwave detection system and method, which comprises a control device, a display device and a transmitting and receiving device; the control device is provided with a transmitting line and a receiving line; the executing unit of the transmitting and receiving device is a plurality of flexible antennas, each of the flexible antennas is a monopole microwave antenna, and is provided with a metal pattern etched and printed on a peripheral side, and at least one H-shaped main pattern and two rectangular auxiliary patterns, the rectangular auxiliary patterns are located in the lateral blanking areas of the H-shaped main pattern. The application has the advantages of simple structure and low cost, the device adopts the flexible combined metal pattern antenna design, reduces the equipment volume to make it portable, improves the flexible arrangement of the system in the detection aspect, and improves the detection accuracy; further, in the corresponding method, the establishment of the reference model is realized through the high and low frequency combined microwave transmission, and the abnormal area is marked on the basis, so that the high accuracy can be maintained, and the basic detection requirements after miniaturization can be met.

The embodiment of the present application provides a kind of excitation structure and microwave oven, excitation structure includes waveguide horn antenna and surface wave generating component, waveguide horn antenna has microwave transmission channel, surface wave generating component has surface wave generating cavity, the surface wave generating component is open along the circumferential side, to make the side of the surface wave generating cavity form the communication port that communicates with outside, the microwave transmission channel is communicated with the surface wave generating cavity by the communication port, and part of the area of the waveguide horn antenna is located outside the surface wave generating cavity, another part of the area of the waveguide horn antenna is located in the surface wave generating cavity.The excitation structure of the embodiment of the present application can improve the use volume rate.

This invention provides a microwave transmission conductor and a microwave transmission device, relating to the field of microwave transmission; it includes: a first conductor, one end of which has a receiving groove and a sealing plate assembly fixedly connected to its end face; a shaped rod, one end of which extends into the receiving groove and is rotatably inserted into the first conductor, with a rolling element provided between the shaped rod and the sealing plate assembly, and a first elastic clamping member providing axial pressure between the shaped rod and the bottom wall of the receiving groove; a first connecting portion provided at the other end of the shaped rod; a rotating sleeve sleeved on the outside of the shaped rod and in circumferential upper limit engagement with the shaped rod; and a rotatable engagement between the rotating sleeve and the end face of the first conductor; a second conductor abutting the end of the rotating sleeve away from the first conductor, and having a second connecting portion provided at its end facing the first conductor; the second connecting portion and the first connecting portion are detachably fixedly connected. This application allows relative rotation between the conductors, effectively absorbing torsional loads and preventing conductor damage due to torsional fatigue.

The present application provides a process chamber and a thin film deposition method. The process chamber comprises: an inner cavity, comprising a cylindrical non-metallic sidewall and a cylindrical antenna, the cylindrical non-metallic sidewall is located below the cylindrical antenna and forms a cylindrical sidewall of the inner cavity together with the cylindrical antenna, wherein the top wall of the cylindrical antenna is a planar structure; a shower plate arranged on the inner side of the cylindrical sidewall as the top wall of the inner cavity; a deposition table arranged on the inner side of the cylindrical sidewall as the bottom wall of the inner cavity, wherein at least one of the shower plate and the deposition table is lifted on the inner side of the cylindrical sidewall to adjust the volume of the inner cavity; and an outer cavity fixedly installed on the outer side of the inner cavity and forming a microwave transmission channel with the inner cavity.

The utility model relates to the technical field of microwave heating equipment, and provides a microwave efficiency-improving cooking device which comprises a frame body, a cooking cavity, a first microwave source, a first microwave transmission channel, a second microwave source and a second microwave transmission channel, the cooking cavity is arranged on the frame body; the first microwave source is arranged at the top of the frame body; the first microwave transmission channel is arranged on the frame body; the first microwave transmission channel is communicated with the first microwave source and the cooking cavity; the second microwave source is arranged at the bottom of the frame body; the second microwave transmission channel is arranged on the frame body; and the second microwave transmission channel is communicated with the second microwave source and the cooking cavity.

The invention provides an electro-optical modulator, and relates to the field of integrated optoelectronic devices. The electro-optical modulator comprises a substrate, wherein a through hole vertically penetrating through the substrate is formed in the substrate; the optical waveguide is positioned above the substrate and is used for transmitting an optical signal; the traveling wave electrode comprises a signal electrode, a top ground electrode and a bottom ground electrode and is used for applying a modulation electric signal, and the modulation electric signal is used for performing electro-optical modulation on the optical signal; wherein the signal electrode is located above the substrate, and the signal electrode, the top ground electrode and the bottom ground electrode form a microwave transmission line; the top ground electrode is positioned above the substrate; and the bottom ground electrode is arranged below the substrate, and the at least one top ground electrode is communicated with the bottom ground electrode through the through hole. The high-order mode of the substrate is suppressed through the substrate through hole, the bandwidth of the silicon modulator is improved, and the problem that the bandwidth of an existing electro-optical modulator is limited can be solved.

The present application relates to the technical field of microwave wireless energy transmission, and discloses a 5-10GHz ISM frequency band air-ground microwave transmission system, which selects a 5-10GHz ISM unlicensed frequency band, can avoid interference with a conventional communication channel, does not need spectrum authorization, and improves anti-interference capability and deployment flexibility. A ground transmitting subsystem can dynamically distribute transmitting power according to a link state, realizes adaptive adjustment of power, effectively deals with link attenuation or demand change, and guarantees transmission efficiency. A composite relay subsystem includes a ground relay link and / or a space relay link, can select a suitable relay path according to a terrain and transmission conditions, solves a transmission shielding problem in a region with a large height difference, expands a coverage range, and enhances terrain adaptability. A ground receiving subsystem converts microwave energy into electric energy and stores the electric energy in an energy storage module, realizes local storage of wireless energy, provides a load with continuous and stable power supply, and reduces dependence on real-time continuous irradiation.

The embodiment of the invention provides an excitation structure and a microwave oven, the excitation structure comprises a waveguide horn antenna and a surface wave generation assembly, the waveguide horn antenna is provided with a microwave transmission channel, the surface wave generation assembly is provided with a surface wave generation cavity, and one side of the surface wave generation assembly along the circumferential direction is open. The waveguide horn antenna is arranged in the surface wave generation cavity, so that a communication port communicated with the outside is formed in one side of the surface wave generation cavity, the microwave transmission channel is communicated with the surface wave generation cavity through the communication port, and a part of area of the waveguide horn antenna is located on the outer side of the surface wave generation cavity; and the other part of area of the waveguide horn antenna is located in the surface wave generation cavity. The excitation structure provided by the embodiment of the invention can improve the use plot ratio.

The invention discloses a radar and infrared compatible stealth material with a high-entropy alloy / spinel core-shell structure and a preparation method of the radar and infrared compatible stealth material, and belongs to the technical field of stealth materials. The stealth material is of a micro-nano-scale core-shell structure and comprises a high-entropy alloy solid solution which is used as a core, has a soft magnetic characteristic, contains Fe, Co and Ni and is of a face-centered cubic or body-centered cubic structure; and an in situ grown MnCr2O4-based spinel semiconductor layer as a shell. During preparation, FeCoNiCrMn series high-entropy alloy powder is used as a matrix, and an in-situ modification strategy that step-by-step low-oxygen-pressure grain boundary segregation is combined with vacuum quenching lock defects is adopted. According to the invention, perfect unification of microwave transmission loss and infrared high reflection functions is realized on the microscopic scale, the preparation process is simple and controllable, the problems of high emission and no corrosion resistance of the traditional wave-absorbing material are solved, and the material has a wide application prospect in the field of multi-spectrum stealth of aerospace and marine equipment.

The application discloses a microwave ion source multi-pin automatic impedance matching method and device, and relates to the field of microwave ion source technology.The microwave ion source multi-pin automatic impedance device comprises a microwave transmission line, pins, a reflected power detection unit, a driving mechanism and a controller, one end of the pin is inserted into the microwave transmission line and is driven to adjust the insertion depth by the driving mechanism, each pin moves independently, the reflected power detection unit is used for detecting the reflected power from the direction of the plasma load, and the controller is configured to execute the microwave ion source multi-pin automatic impedance matching method.Through the configuration of a plurality of pins capable of coordinated movement on the microwave transmission line, the reflected power detection unit capable of automatically detecting the reflected power and the controller executing a sequential-cyclic approximation algorithm, the plurality of pins are sequentially subjected to local optimal search, and multiple rounds of iteration are performed until the system global optimization, so that the reflected power is finally suppressed to the lowest level, the automatic matching and dynamic tracking are realized, and the optimal matching state is dynamically maintained during the working process.

The present invention relates to the technical field of interface stiffness detection, and disclosed are an in-situ ultrasonic detection method and apparatus for the interface stiffness of an aircraft-engine rotor with reference to microwave transmission line theory. The in-situ ultrasonic detection apparatus for the interface stiffness of an aircraft-engine rotor is based on an apparatus base body, and uses an intermediate connecting structure to form an upper-lower structural distribution. Two probes each perform extension and retraction movements by using a servo turntable as a reference. The detection apparatus is positioned and affixed by means of a clamping mechanism, clamping displacement of the probes is achieved by means of an electromagnet and a suction cylinder, and the clamping force of the probes is provided by means of compression springs. The in-situ ultrasonic detection apparatus for the interface stiffness of an aircraft-engine rotor of the present invention can utilize microwave transmission line theory to reduce the random effects of sensing boundaries, and can carry out interface stiffness detection within the narrow space of an aircraft engine; springs are used to provide pressure to achieve better repeatability; and a connecting cylinder is used to enable synchronous rotation of the upper and lower structures, thereby improving the coaxiality of the upper and lower probes.

The application provides a single-pole multi-throw coaxial switch with a load end; comprising a shell, a circuit control mechanism, an electromagnetic drive mechanism and a microwave transmission mechanism; a microwave cavity is formed in the base of the shell; the moving spring plate of the electromagnetic drive mechanism is fixed on the armature, the armature is hinged on the base of the shell, and the hinged ends of the armature are provided with attracting ends; the circuit control mechanism realizes the on-keeping or off-current of a plurality of output electromagnet assemblies or a plurality of load electromagnet assemblies in the electromagnetic drive mechanism; the lower end of the first push rod of the microwave transmission mechanism extends into the microwave cavity and is fixedly connected with the first microwave spring plate, and the first spring is sleeved on the first push rod; the lower end of the second push rod extends into the microwave cavity and is fixedly connected with the second microwave spring plate, and the second spring is sleeved on the second push rod; the two ends of the moving spring plate are respectively aligned with the first push rod and the second push rod of the corresponding spring plate assembly. The coaxial switch solves the problems of signal leakage and mutual interference of the hollow port in the use of the high-frequency multi-channel coaxial switch.

The utility model relates to a compressed waveguide cavity type microwave plasma torch, comprising an input waveguide, the input end of which is provided with a front end interface, and the input end of the input waveguide is connected with a microwave generating device through the front end interface and is used for inputting microwaves; the input end of the tapered waveguide is connected with the output end of the input waveguide, and the tapered waveguide is used for compressing microwaves and generating standing waves at the output end; the first air inlet is connected with the side wall of the input waveguide at a set angle; the second air inlet is connected with the side wall of the tapered waveguide at a set angle; the input end of the reaction waveguide is connected with the output end of the tapered waveguide, the output end of the reaction waveguide is connected with the input end of the connection waveguide, and the output end of the connection waveguide forms a flame ejection port. According to the utility model, the plasma torch can be stably formed in the fixed area in the waveguide cavity in the microwave transmission process without depending on any traditional plasma torch constraint structure.

The utility model relates to a microwave reaction device for preparing a micro-nano material by utilizing waveguides. The device comprises a microwave source, a transmission waveguide, a reaction waveguide and a reaction container, the microwave source is used for generating microwaves; the transmission waveguide is arranged on one side of the microwave source and is used for transmitting microwaves to the reaction waveguide; the reaction waveguide is arranged on the other side of the transmission waveguide, and a wave-transparent partition plate is arranged between the reaction waveguide and the transmission waveguide; the reaction container is a concave box body, the top of the reaction container is open, and the notch of the reaction container faces one side of the microwave source; according to the microwave reaction device, the reaction container is arranged at the set position in the reaction waveguide for microwave heating, so that the heating uniformity of a sample can be improved, batch homogeneous preparation of target products is realized, a microwave heating system is greatly simplified, the equipment manufacturing cost is saved, and meanwhile, the energy consumption is reduced.

The invention provides a coaxial connector and microwave communication equipment, relates to the technical field of satellite communication, and solves the problem that microwave transmission between different transmission media is poor in reliability and is difficult to apply to a high-frequency scene in the prior art. The coaxial connector of the scheme can complete conversion of electromagnetic wave propagation modes of radio frequency signals through different media and connection structures, thereby realizing transmission of the radio frequency signals from coaxial to microstrip or from microstrip to coaxial, and the coaxial connector is low in insertion loss and good in return loss effect, and can be effectively applied to a microwave frequency band.