25 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 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.

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 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.

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.

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.

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.

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 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 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.

This invention provides a vibration monitoring method and system based on microwave probes, belonging to the field of vibration monitoring technology. The method includes: arranging a microwave probe array circumferentially along the root of a wind turbine blade; each microwave probe includes a microwave transmitter and a receiver, arranged in a ring at fixed intervals θ; when the blade is stationary, controlling the microwave probe array to emit linear frequency modulated microwave signals onto the surface of a fiberglass composite material, receiving the reflected echoes, and recording the initial phase of each probe in the corresponding state. This invention achieves high-precision real-time monitoring and intelligent early warning of multi-directional vibration of wind turbine blades in complex environments by fusing phase and time difference dual-mode measurements using a microwave probe array and a sparse reconstruction algorithm, thereby improving fault identification efficiency and equipment safety.

This invention provides a method and system for detecting the scanning direction of a SAR satellite in an agile azimuth observation mode. The method includes: setting up a microwave probe in front of the onboard SAR antenna array to meet the far-field testing conditions and signal energy requirements of the radiating element; disconnecting the port connection between the antenna array calibration network and the internal calibrator; connecting the internal calibrator port to the microwave probe antenna via a ground-based high-frequency test cable; setting the onboard SAR system to a single-TR calibration test mode; performing normal-state single-TR calibration tests and specified-scan state single-TR calibration tests; powering on the entire satellite and recording echo data; performing pulse compression and interpolation processing on the echo data acquired from the two tests to obtain the phase value at the peak value; performing phase difference calculation and reference mapping conversion on the corresponding TR channels to generate a two-dimensional phase difference cloud map; and determining the correctness of the SAR antenna pattern scanning direction based on the two-dimensional phase difference cloud map. This invention reduces the satellite development process and improves the efficiency of integrated SAR testing of the entire satellite.

This invention relates to the field of semiconductor material testing equipment technology, and discloses a broadband microwave probe device for measuring carrier attenuation characteristics, comprising: a probe pen, with a limiting ring fixedly connected to the outer wall of the probe pen, and a probe disposed at one end of the probe pen; a switching mechanism installed on one side of the probe pen; the switching mechanism including a limiting frame; a lifting mechanism installed on one side of the switching mechanism; a moving mechanism installed on one side of the lifting mechanism, the moving mechanism being connected to a support platform via a support column; a fixing mechanism installed inside the support platform; an adjusting mechanism installed inside the support platform on the same side as the fixing mechanism; and a feeding mechanism installed on the upper surface of the support platform. The movement of a connecting frame two drives the limiting frame to move, causing the limiting frame to push a limiting rod one, causing one end of the limiting rod one to rotate inside the limiting frame, and then pulling the fixing plate out of the limiting frame, thus achieving the effect of changing the probe.

The invention relates to a broadband Rydberg atom microwave detection system, and the system comprises a microwave transmitting module which is used for transmitting a mixed microwave signal composed of an intrinsic microwave signal and a to-be-detected microwave signal; the microwave slab waveguide is used for widening the working frequency band and amplifying the mixed microwave signal; the optical standing wave cavity module is arranged on the microwave slab waveguide and used for enabling the detection light and the coupling light to enter an optical standing wave cavity, enabling the coupling light to be thinned and restraining the coupling light to reciprocate in the optical standing wave cavity so as to broaden the instantaneous bandwidth; the atomic gas chamber is arranged on the microwave slab waveguide and located in the optical standing wave cavity module, and rubidium atoms are arranged in the atomic gas chamber; and the detection module is arranged corresponding to the atomic gas chamber and is used for receiving and analyzing the detection light emitted from the atomic gas chamber so as to realize microwave detection. Through the optical standing wave cavity and the microwave slab waveguide, the instantaneous bandwidth of the single intrinsic microwave is widened, the working frequency band is widened, the bandwidth problem can be solved, and high-sensitivity microwave detection can be achieved.

The invention relates to the technical field of oral medicine, in particular to a lip mask, an oral mucosa disease nursing device and a working method thereof.The lip mask is used for being worn on the lip of a user and comprises a mask body structure capable of covering the lip of the user; the atomization opening is formed in the cover body structure and used for being connected with an atomizer of the oral mucosa disease nursing device; and the microwave probe interface is used for connecting a microwave probe of the oral mucosa disease nursing device. The lip mask can be connected with the microwave probe and the atomization pipeline at the same time so as to achieve microwave atomization treatment on the lip, and the better inflammation treatment effect is achieved compared with single atomization treatment or single microwave treatment.

The invention discloses a phased-array antenna rapid calibration test system based on full-closed-loop hardware triggering, and relates to the technical field of antennas. Comprising a main control industrial personal computer, an FPGA hardware trigger controller, a vector network analyzer VNA, a DAC signal generator, a six-axis precision mechanical arm, a microwave probe arranged on the six-axis precision mechanical arm, a high-precision double-axis rotary table and a phased-array antenna to be tested arranged on the high-precision double-axis rotary table. The FPGA hardware trigger controller is connected with the main control industrial personal computer, the vector network analyzer VNA, the DAC signal generator, the six-axis precision mechanical arm and the high-precision double-axis rotary table through a special hardware trigger bus. According to the method, nanosecond synchronous triggering and real-time closed-loop verification of multiple devices are realized, and triggering delay and synchronization errors are greatly reduced, so that the test precision and efficiency are remarkably improved, and the inherent defects of a traditional software triggering method are effectively overcome.

The invention relates to the technical field of fire early warning, and discloses a microwave type manual fire alarm button which comprises a control bottom box and a control top shell fixedly installed on the control bottom box, a sealing plate is installed in the middle of the control bottom box, and a pressing plate is movably installed on the sealing plate; the alarm device further comprises an abutting rod which is installed at the bottom of the pressing plate in an attached mode, a trigger button used for triggering an alarm is installed at the bottom of the abutting rod, the side of the abutting rod is connected with a trigger rod in an abutting mode, and the end of the trigger rod is connected with a pressing rod used for triggering a secondary alarm. The microwave probe is arranged on the fire alarm button, the movement of a person is detected through the microwave probe, and when the person is detected to approach the fire alarm button, a prompt on the fire alarm button is lightened, so that the person can see the prompt clearly under the condition of dark light, and the fire alarm button is more convenient to use. And the condition that personnel do not know specific use operation is avoided.

A photodynamic therapy and microwave therapy fusion system is provided. The system includes photosensitizers transplanted or attached to the biological tissues of a site in which cancer develops, have specific indirect energy band gaps so as to perform photodynamic therapy for the site in which the cancer develops; and a microwave assisted photodynamic therapy (MWAPDT) controller connected to a personal computer (PC) and adapted to allow a microwave frequency of 5.3 GHz to 10 GHz emitted from a microwave probe or an optic ray emitted from a fiber optic probe to be irradiated onto the biological tissues of the site in which the cancer develops, to which the photosensitizers are attached, so as to perform microwave therapy for the site in which the cancer develops.

This utility model discloses a continuous oil water content measurement device, including a main flow pipe and a flow computer. The main flow pipe has a fluid inlet and a fluid outlet at both ends. An electrically operated three-way valve is installed on the main flow pipe, with two outlets connected to the main flow pipe and a measuring tube installed at the other outlet. A one-way valve is installed between the measuring tube and the electrically operated three-way valve. An insertion rod type oil water content meter is installed at the top of the measuring tube, with several microwave probes installed inside the rod. An electric heating tape is installed on the outer surface of the measuring tube. A connecting pipe is installed on the measuring tube, with one end connected to it. The other end of the connecting pipe is connected to the main flow pipe located between the electrically operated three-way valve and the fluid outlet. The electrically operated three-way valve and the insertion rod type oil water content meter are respectively connected to the flow computer. This utility model can perform static sampling measurements or continuous measurements.

The invention discloses a system for measuring a material level state by using microwave intensity, and the system comprises a microwave transmitter which is used for transmitting microwaves with preset intensity; the microwave probe is arranged opposite to the microwave emitter and is used for receiving direct microwaves which are emitted by the microwave emitter and penetrate through a material layer to be detected and converting intensity signals of the received microwaves into electric signals; the microcomputer is connected with the microwave probe and is used for receiving the electric signal and calculating the thickness of the material layer based on the attenuation characteristic of the microwave in the detected material layer so as to determine the state of the material level; the display unit is connected with the microcomputer and is used for displaying a processing result of the microcomputer; and the central control computer is connected with the microcomputer and is used for transmitting a processing result to the central control computer. According to the invention, the problems that the signal of the traditional level gage is easily interfered, the equipment is easily damaged and the traditional level gage depends on manual work are solved, and high-reliability, high-precision, strong-adaptability and intelligent continuous level monitoring is realized.

This invention discloses a phase-fed Doppler microwave detection device with extended beam angle. By phase-fed the Doppler microwave detection device, the beam angle of the microwave beam emitted by the Doppler microwave detection device is extended, thereby increasing the radiation area of ​​the microwave beam on the corresponding target detection surface and correspondingly reducing the penetration of the microwave beam into the ground and its absorption and reflection by the ground. This reduces the cost of the Doppler microwave detection device in practical applications and improves its detection accuracy and / or anti-interference performance in practical applications.