54 results about "Microwave probe" patented technology

The invention relates to a method for processing medical images of human tissue of an area of a patient's body and in particular of the breast by means of a medical imaging device (1) comprising a microwave probe array consisting of K>1 probes spaced apart from one another, the array comprising P>1 different configurations defining transmitting probes and receiving probes for one or more position(s) around the area, in which the transmitting probes are configured to transmit microwave signals so as to illuminate an area of the body and the receiving probes are configured to receive microwave signals after scattering and reflection in the area, the probes being capable, in a complementary manner, of being configured to transmit and receive simultaneously.

The invention relates to the technical field of microwave ignition, in particular to a microwave generation device, equipment and method for microwave ignition, and the microwave generation device comprises a microwave source, a resonant cavity and a microwave probe; the microwave source serves as an energy source, and single-frequency continuous waves are fed into the resonant cavity through the microwave probe. The resonant cavity receives single-frequency continuous waves, and resonance is generated to collect energy; when the resonant cavity resonates, the position of an electromagnetic wave antinode is located on the microwave probe. And the microwave probe is used for secondarily focusing energy gathered in the resonant cavity on the solid energetic material to be ignited. According to the device, through the cooperative focusing effect of the resonant cavity and the microwave probe, the local field intensity is rapidly improved, the energy transfer path is shortest, the loss is minimum, the energy utilization rate and the ignition efficiency are greatly improved, and the problems that in the prior art, microwave ignition cannot achieve full utilization of energy, and the ignition efficiency is low are solved. And the problems of high excitation power, high energy consumption, low ignition efficiency and poor safety are solved.

The invention relates to the technical field of precision timing instrument testing, in particular to an atomic clock aging prediction method based on feature fusion and quantum constraint learning. According to the atomic clock aging prediction method based on multi-modal feature fusion and quantum constraint learning provided by the invention, a multi-modal tensor fusion means is adopted, and a time domain microwave probe signal, a space domain atomic cloud density distribution signal and a frequency domain lambda stripe signal are collected at the same time for feature extraction, so that the completeness of the features is improved; during nonlinear modeling, a Bloch equation constraint is adopted to ensure that a network model accords with a quantum physics rule. According to the method, the atomic clock aging feature expression effect can be improved through an artificial intelligence means, the defect of overfitting caused by purely depending on training data is effectively avoided, the atomic clock aging prediction model better conforms to the physical law, the atomic clock aging prediction precision is improved, and the prediction model complexity is optimized.

The invention relates to the technical field of defect detection, in particular to a defect detection method and system based on a microwave frequency crystal resonator, and the method comprises the steps: forming a microwave probe through a microwave frequency crystal resonator array, placing a to-be-detected material below the microwave probe, and setting a scanning area and scanning step lengths in two directions on the surface of the material; controlling the probe to perform point-by-point scanning according to step length, and collecting a plurality of reflection coefficients of each sampling point to form an echo signal matrix; performing singular value decomposition on the matrix, applying an adjustable coefficient to a first singular value and a second singular value, and adaptively selecting an optimal coefficient according to imaging quality to reconstruct an echo signal; performing two-dimensional Fourier transform on the reconstructed matrix, constructing a spatial filter in combination with probe spacing and defect depth to perform phase compensation, performing two-dimensional Fourier transform to obtain a defect image, and performing threshold segmentation on the defect image to obtain a binary image only containing defects; and analyzing the connected regions to obtain the gravity center position of each defect and the defect area determined by the pixel number and the single pixel area. The problems of serious clutter interference, insufficient defect imaging contrast ratio, difficulty in quantitative evaluation of defect size and the like in the existing microwave detection can be solved.

The invention relates to the technical field of polyethylene pipeline welded joint defect detection, in particular to a polyethylene pipeline welded joint microwave detection device and method based on a separable annular guide rail. The detection device comprises a profile support, an axial movement control device, a separable annular guide rail assembly and a circumferential detection device. The detection method comprises the steps that the clamping jaw type control mechanism drives the motor to be connected with the semi-annular guide rail; the ultrasonic distance sensor array measures the relative position of the annular guide rail and the polyethylene pipeline in real time, and a distance model of the annular guide rail and the polyethylene pipeline is established; calculating the adjusting distance of the microwave probe, and pushing the microwave probe by an electric push rod according to the adjusting distance; performing axial line scanning analysis to obtain an axial coordinate of the welding joint; different scanning modes such as spot scanning are executed according to different detection signals; the electric push rod adaptively adjusts the distance of the microwave probe according to the distance model. The device has the characteristics of stability, reliability, high adaptability to pipelines with different pipe diameters, high detection efficiency and the like.

The invention relates to the technical field of microwave probes, in particular to a novel microwave probe, and aims to solve the problem that a test result has a large error due to radiation of a radio frequency probe based on a coplanar waveguide signal transmission principle, the novel microwave probe comprises a cable, the end part of the cable is provided with a signal pin and a wrapping ground pin, the signal pin is fixed on a conductor in the center of the cable, the wrapping ground pin is fixed on a conductor on the outer ring of the cable, a notch is formed in one side of the wrapping ground pin, and the signal pin is embedded in the notch of the wrapping ground pin to form wrapping of the wrapping ground pin on the signal pin; an air gap is formed between the wrapping ground pin and the signal pin so as to restrain radiation. The invention has the effect of improving the radiation effect.

A system is disclosed including an ablation probe that includes an antenna, a controller in communication with the ablation probe, and a holster device. The holster device is configured to removably receive the ablation probe, wherein the holster device further comprises a switch and, when the ablation probe is mounted in the holster device, the controller is operable to activate the ablation probe upon activation of the switch.

The invention relates to the technical field of waveguide microwave probes, in particular to a terahertz-band waveguide microwave probe with a waveguide-coaxial conversion structure, which comprises an elastic needle tip, the elastic needle tip is positioned outside a waveguide cavity and is connected with one end of a coaxial cable, the other end of the coaxial cable is connected with a waveguide ball, and the waveguide ball is connected with the waveguide cavity. The coaxial cable extends into the main body from the outside of the waveguide cavity, a waveguide channel is arranged in the waveguide cavity, and the small waveguide ball is arranged at one end of the waveguide channel. The elastic needle point is connected to one end of the coaxial cable and is mainly used as a detection needle point to transmit a signal to the coaxial cable, and the other tail end of the elastic needle point is connected with the small waveguide ball and goes deep into the waveguide cavity to transmit a coaxial line signal to an internal waveguide channel.

The invention relates to the technical field of polyethylene pipeline welded joint defect detection, in particular to a non-contact variable-diameter microwave detection device and method for a polyethylene pipeline welded joint. The detection device comprises an axial movement control device, a profile support, an annular guide rail assembly and a circumferential detection device. The detection method comprises the following steps: controlling the axial moving device to enable the microwave probe and the welding joint to be coplanar; the laser transmitter measures the distance between the circumferential detection device and the detected pipeline in real time to ensure whether the two are concentric; the electric push rod changes the distance from the microwave probe to the detected pipeline as required; a hydraulic cylinder piston pushes the profile bracket to change the angle; different scanning modes such as spot scanning are executed according to different detection signals. The detection device provided by the invention has the advantages of variable diameter, quick installation, flexible and changeable detection modes, high operation portability and the like.

The application relates to the technical field of precision timing instrument testing, in particular to an atomic clock aging prediction method based on feature fusion and quantum constraint learning. The atomic clock aging prediction method based on multi-modal feature fusion and quantum constraint learning provided by the application adopts a multi-modal tensor fusion means, simultaneously collects time domain microwave probe signals, space domain atomic cloud density distribution and frequency domain Ramsey fringe signals for feature extraction, and improves the completeness of the features; when a nonlinear model is established, Bloch equation constraint is adopted to ensure that the network model conforms to quantum physical laws. The method can improve the atomic clock aging feature expression effect through an artificial intelligence means, effectively avoids the overfitting defects caused by simply relying on training data, makes the atomic clock aging prediction model more conform to physical laws, and improves the atomic clock aging prediction precision and optimizes the prediction model complexity.

The utility model relates to a portable microwave therapeutic apparatus, which comprises a therapeutic apparatus body, a microwave probe and a physiotherapy line used for connecting the microwave probe to the therapeutic apparatus body, the top of the therapeutic apparatus body is provided with an accommodating groove used for accommodating the physiotherapy line, and the therapeutic apparatus body is provided with a bearing part. The physiotherapy line is movably arranged on the bearing part in a penetrating mode. The device can avoid discomfort of a patient due to the fact that the physical therapy line is too long and falls on the body of the patient.

The invention relates to the technical field of semiconductor material detection equipment, and discloses a broadband microwave probe device for measuring attenuation characteristics of current carriers. The outer wall of the detection pen is fixedly connected with a limiting ring, and one end of the detection pen is provided with a probe; the switching mechanism is mounted on one side of the probe pen; the switching mechanism comprises a limiting frame; the lifting mechanism is mounted on one side of the lifting mechanism; the moving mechanism is installed on one side of the moving mechanism, and the moving mechanism is connected with a supporting table through a supporting column; the fixing mechanism is mounted in the supporting table; the adjusting mechanism is mounted in the same side of the supporting table and the fixing mechanism; and the feeding mechanism is mounted on the upper surface of the supporting table. A limiting frame is driven to move through movement of a second connecting frame, the limiting frame pushes a first limiting rod, one end of the first limiting rod rotates in the limiting frame, then a fixing plate is pulled to be taken out of the limiting frame, and the effect of replacing the probe is achieved.

The invention provides a vibration monitoring method and system based on microwave probes, and relates to the technical field of vibration monitoring, and the method comprises the steps: a microwave detection array is arranged along the circumferential direction of the root of a wind power generation blade, each microwave probe comprises a microwave emitter and a microwave receiver, and the microwave probes are annularly distributed and arranged at a fixed interval theta; under the static state of the blade, the microwave detection array is controlled to emit linear frequency modulation microwave signals to the surface of the glass fiber reinforced plastic composite material, reflection echoes are received, and the initial phase of each probe in the corresponding state is recorded. According to the method, the microwave detection array and the sparse reconstruction algorithm are fused with phase and time difference dual-mode measurement, multi-directional vibration high-precision real-time monitoring and intelligent early warning of the wind driven generator blade in a complex environment are achieved, and the fault recognition efficiency and the equipment safety are improved.

Techniques are described for flux-based readout of superconducting qubits. A superconducting qubit whose state is to be measured is coupled to a flux qubit which acts as a transducer, mapping the state of the superconducting qubit to a state of the flux qubit. The state of the flux qubit can be then measured using a flux-based readout system, which allows for a more lightweight signal processing configuration compared with conventional resonator and microwave probe signal approaches.

The invention provides microwave probe grinding equipment and method. The microwave probe grinding equipment comprises a rack, a clamping mechanism, a grinding table and a detection device, and the clamping mechanism is used for loading a microwave probe; the grinding table is connected to the rack through a driving device, a back grinding piece, a front grinding piece and a calibration piece are connected to the grinding table, and the driving device is used for driving the grinding table to move so that the back grinding piece can grind the back of the microwave probe, or the front grinding piece can grind the front of the microwave probe, or the calibration piece can make contact with the front of the microwave probe; and the detection device is connected to the rack and is used for detecting the performance of the microwave probe. According to the microwave probe grinding equipment, the integrated design of back face grinding, front face grinding and performance detection of the microwave probe is achieved, the microwave probe does not need to be disassembled after being ground, the microwave probe can make contact with the calibration piece only through movement of the grinding table, performance detection is directly conducted, and the machining efficiency of the microwave probe is further improved.

The invention relates to a polyethylene pipeline hot-melt joint melting temperature defect identification method based on a microwave technology, and belongs to the technical field of polyethylene pipe hot-melt welding joint defect detection, and the method comprises the following steps: S1, scanning a polyethylene pipeline hot-melt joint area by using a microwave probe, and collecting a corresponding microwave reflection signal Ms; s2, converting the microwave reflection signal Ms in the S1 from a frequency domain to a time domain to obtain a time domain microwave signal Mt; s3, cutting off the time domain microwave signal Mt to obtain a cut-off time domain microwave signal Mx; s4, converting the truncated time domain microwave signal Mx from a time domain to a frequency domain, and recording as Mp; and S5, a judgment threshold value is set, the amplitude peak value in the Mp is compared with the threshold value, and the welding quality is judged according to the comparison result. According to the scheme, the cold welding and over-welding defects of the welding area of the polyethylene pipeline can be rapidly and accurately detected in a lossless state.

A system is disclosed including an ablation probe that includes an antenna, a controller in communication with the ablation probe, and a holster device. The holster device is configured to removably receive the ablation probe, wherein the holster device further comprises a switch and, when the ablation probe is mounted in the holster device, the controller is operable to activate the ablation probe upon activation of the switch.

The invention discloses a microwave probe clamp which comprises a telescopic support, a transmission mechanism and a working groove. The working groove is driven by the transmission mechanism to move in the length direction of the rectangular frame body. The device further comprises a clamping mechanism. The clamping mechanism comprises two semicircular fixed levers which are oppositely arranged and hinged; the joint of the two semicircular fixed levers is connected with a driving gear; the middle of the semicircular fixed lever and one end away from the driving gear are connected with a driven gear; the outer sides of the driving gear and the driven gear are jointly meshed with a rotating chain; the first motor drives the two semicircular fixed levers to get away from each other or get close to each other and enclose a closed circle; a waveguide fixer is arranged on the rotating chain; and the waveguide fixer always points to the circle center direction of the semicircular fixed lever. According to the microwave probe clamp provided by the invention, the clamping mechanism adopts a lever-gear-chain structure, so that the waveguide fixer can cover the periphery of the cable accessory, and it is ensured that microwave signals of the periphery of the accessory to be detected can be obtained.

The utility model discloses a coaxial cable connecting device, which comprises a shell, a magnetron and a transformer, the magnetron and the transformer are mounted in the shell, the magnetron is arranged above the transformer, and the transformer supplies power to the magnetron; the upper part of the magnetron is connected with two coaxial cables which are symmetrically arranged, and the other ends of the two coaxial cables respectively penetrate through the two side ends of the shell and are connected with microwave probes located at the side ends of the shell; a first mounting plate located above the magnetron is further installed in the shell, a connecting piece used for fixing the coaxial cable is connected to the first mounting plate, and the connecting piece is further used for limiting the bending degree of the coaxial cable located between the magnetron and the connecting piece. The length of the coaxial cable is reduced by increasing the mounting height of the magnetron, and one end of the coaxial cable is fixed at the top of the magnetron, so that the length of the coaxial cable is further reduced, and the signal power loss and the heating temperature of the coaxial cable are further reduced.

An adaptive, automatically adjustable probe for a microwave load pull system. It consists of a probe (P), a metallized fabric gasket (F), a probe fixing shaft (R), a spring (S), a probe fixing cavity (C), a spring pressure piece (E), and a screw (B). The probe (P) is rotatable, with two metallized fabric gaskets (F) fixed to its two sides. When inserted into a microwave slotted transmission line (T), the outer surfaces of the two metallized fabric gaskets (F) adhere tightly to the inner surfaces of the microwave slotted transmission line (T), maintaining elastic and soft contact. The probe can move axially and vertically along the center conductor (D), achieving a microwave probe for microwave load pull measurement systems that can maintain precise and permanent positioning, maintains elastic and soft contact with the surface of the microwave slotted transmission line, is resistant to wear, and exhibits adaptive, automatically adjustable motion.

Techniques are described for flux-based readout of superconducting qubits. A superconducting qubit whose state is to be measured is coupled to a flux qubit which acts as a transducer, mapping the state of the superconducting qubit to a state of the flux qubit. The state of the flux qubit can be then measured using a flux-based readout system, which allows for a more lightweight signal processing configuration compared with conventional resonator and microwave probe signal approaches.

The invention discloses an online monitoring system for combustion oscillation of a combustion chamber based on an intelligent sensing element. The online monitoring system comprises an acquisition imaging unit, a conversion unit, a speed measurement unit, a dynamic fusion unit and a path analysis unit, the acquisition imaging unit is constructed based on a microphone array and is used for acquiring and processing combustion acoustic signals of a combustion chamber and calculating sound wave propagation time delay by using a cross-correlation function to obtain a time delay data set; the conversion unit can convert the time delay data set into a dynamic pressure field matrix for displaying the cross section of the combustion chamber; the speed measurement unit emits continuous wave signals through microwave probes installed at the head and the middle of a combustion chamber, and measures local instantaneous speed values of ionized particles in flames through difference frequency signals generated through scattering. Through cooperative work of the non-intrusive acquisition imaging unit and the speed measurement unit, omnibearing monitoring of dynamic characteristics of the combustion chamber is realized, and meanwhile, deep coupling of a speed field and a pressure field is realized.

The invention provides a microwave probe coaxial cable side cutting device and method, and belongs to the technical field of microwave probe machining, and the microwave probe coaxial cable side cutting device comprises a three-axis moving sliding table, a side cutting mechanism, a milling cutter, a hot air gun and a camera. The side cutting mechanism is arranged on the Y-direction moving sliding table. The side cutting mechanism comprises a coaxial cable clamping assembly and a side cutting assembly used for side cutting of the end portion of the microwave probe coaxial cable. The side cutting assembly and the coaxial cable clamping assembly are jointly installed on a second fixing plate, and the second fixing plate is installed on the Y-direction sliding block. And the milling cutter is mounted on the Z-direction moving sliding table. The hot air gun and the camera are both installed on the first fixing plate, and the first fixing plate is installed on the Z-direction moving sliding table. According to the invention, through repeated milling and heating, the polytetrafluoroethylene material in the microwave probe coaxial cable is heated to expand and bulge out, the subsequent unstable factors caused by thermal deformation are eliminated, the processing precision of the microwave probe coaxial cable and the product consistency are ensured, and the processing efficiency and the product yield are improved.

A method for detecting semiconductor carriers using a nanometer-scale microwave probe in conjunction with an atomic force microscope (AFM). The method optimizes the transmission of microwave signals within the AFM system by determining the optimal carrier frequency for high-frequency measurements. The method includes operating the AFM in tapping mode, emitting a microwave signal from the AFM probe, amplitude modulating the signal, and scanning the semiconductor sample to detect sideband signals. The detected sideband signals are analyzed to identify the optimal carrier frequency for subsequent measurements, such as Scanning Microwave Impedance Microscopy (sMIM) and Sideband Electrostatic Force Microscopy (Sideband-EFM). Additionally, the invention employs impedance matching techniques, including double-stub and multi-stub impedance matching, to enhance the efficiency of microwave signal transmission. This method generates detailed carrier distribution maps of the semiconductor sample, providing crucial insights into the electrical properties of the semiconductor material.

The utility model discloses a microwave probe sleeve capable of installing a temperature control device, and relates to the technical field of microwave equipment, the microwave probe sleeve comprises a soft sleeve body sleeved on a microwave probe, the soft sleeve body comprises a fixing part used for fixing the microwave probe and a wire passing cylinder used for arranging a microwave probe transmission wire in a penetrating manner, a placing groove used for placing a microwave probe is formed in the fixing part, an opening of the placing groove faces downwards, a limiting supporting part is arranged at the position, corresponding to the placing groove, of the bottom of the fixing part, the limiting supporting part is used for supporting the bottom of the microwave probe, and a bottom wire passing belt is arranged on the limiting supporting part in the radial direction of the wire passing cylinder; a temperature control device is arranged on the bottom wire passing belt and used for measuring the temperature of the microwave probe, direct contact between the microwave probe and the human body can be avoided, safety protection is provided, and meanwhile the temperature control device is arranged to monitor the temperature of the microwave probe.

An atomic clock device has a diamond-based structure with nitrogen-vacancy defects and nitrogen-vacancy clusters, at least one light emitting diode to illuminate the diamond-based structure, a microwave pump generator to generate a microwave pump signal, a microwave probe generator to generate a pulsed microwave probe signal, a radiofrequency pump generator to generate a radiofrequency pump signal, a radiofrequency probe generator to generate a pulsed radiofrequency probe signal, one or more transmission lines or an antenna structure to feed the pump signals to the diamond-based structure, and a detector to detect a response from the diamond-based structure in response to the pump signals, wherein a frequency spectrum of the response has a sharp spectral feature, and wherein the atomic clock device is configured to generate an output clock signal, based on the sharp spectral feature. A method is provided for generating a clock signal.

An inspection system (200) for inspecting a pultruded sheet (300) for a wind turbine (10) is described. The inspection system comprises an array arrangement (210) having at least two microwave probes (211, 212), comprising a first microwave probe (211) and a second microwave probe (212) offset from each other. The first microwave probe (211) and the second microwave probe (212) define a first detection area (301) and a second detection area (302) to form an overlap area (303) between the first detection area (301) and the second detection area (302). The first microwave probe and the second microwave probe are adapted to provide different frequencies and / or modes of microwaves for inspecting the sheet material. The inspection system further comprises a control unit (400) adapted to vary the frequency and / or mode of the microwaves from the first microwave probe and the second microwave probe during inspection of the sheet material.

The utility model discloses a device for detecting the quality of lubricating oil of a rotating part of a wind driven generator. The device is characterized by comprising a probe assembly, a connecting cable and a detection host, the probe assembly comprises a microwave probe, a propeller, a detection pipe, a connecting pipe and a connecting flange, the microwave probe is arranged in the detection pipe, the propeller is arranged at one end of the detection pipe, the connecting pipe and the detection pipe are connected together in a T-shaped mode, and the connecting flange is arranged at the end, away from the detection pipe, of the connecting pipe; the connecting cable comprises a microwave transmission line and a propeller wire, and the microwave transmission line and the propeller wire are led out of the detection host and connected with the microwave probe and the propeller of the probe assembly respectively. The device solves the problems of low detection precision, complex process, incapability of real-time online detection and the like in the existing detection method, and realizes accurate, rapid and real-time detection of the lubricating oil quality of the rotating part of the wind driven generator.

The application provides a special fixture for microwave probe production sectioning, welding and polishing and a production method, and belongs to the field of microwave technology, and comprises a base and a clamping unit arranged on the base, wherein the clamping unit comprises a sub-fixture, a cushion block and a pressing block; the sub-fixture is fixedly arranged on the base, and a microwave probe mounting groove is arranged on the sub-fixture; a positioning groove for positioning a coaxial cable of the microwave probe is arranged on the cushion block, and the depth of the positioning groove is smaller than the diameter of the coaxial cable; and the pressing block is fixedly arranged on the cushion block and used for pressing the coaxial cable and exposing a processing area of the coaxial cable. The special fixture for microwave probe production sectioning, welding and polishing is used for mounting the microwave probe on the special fixture when the microwave probe is produced, and the sectioning of the coaxial cable, the welding of the probe tip and the polishing process are carried out in batches and automatically with the aid of existing equipment, so that the production efficiency is improved, the product consistency and stability are higher than those of manual processing, and the product quality is improved.

The utility model relates to a device for detecting water in heavy oil. The device comprises a microwave probe, a lower end cover, a scraping block, a centralizing ring, a guide block, a sleeve, an electric push rod, an upper end cover, a cable and a control display, the upper end of the sleeve is connected with the upper end cover; the centralizing ring, the scraping block and the lower end cover are sequentially mounted at the lower end of the sleeve; the electric push rod, the guide block and the microwave probe are sequentially connected and mounted in the sleeve; the upper end of the electric push rod is fixed to the upper portion of the sleeve, and the microwave probe penetrates through the centralizing ring, the scraping block and the lower end cover. And the electric push rod and the microwave probe are communicated with the control display through cables. By applying the device for detecting the open water in the heavy oil, the high-viscosity covering on the surface of the microwave probe can be effectively removed, the sensitivity of the microwave probe is improved, and the problem that the open water in the heavy viscous oil is difficult to effectively measure is solved.