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56 results about "Radiation testing" patented technology
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Tests Using Radiation. Tests that employ ionizing radiation include nuclear medicine stress tests, coronary angiography, coronary calcium scans, and coronary computed tomography (CT) angiography. A nuclear medicine stress test starts out like a standard stress test in which exercise or medication is used to increase your heart rate.
Electromagnetic radiation test planning method for electric vehicle driving system
ActiveCN105224741ASignificant advantagesSignificant beneficial effectSpecial data processing applicationsMechanical modelsSimulation
The invention discloses an electromagnetic radiation test planning method for an electric vehicle driving system. The method comprises: firstly, establishing a mechanical model, and establishing a circuit model, and then establishing a whole simulation model, and verifying and modifying the simulation model, and simulating to obtain a simulation result, and finally planning measuring position points. After the whole simulation model is established, a few position points are used for practical measurement to obtain a radiation value verification simulation model, and the simulation model is modified. In the simulation process, through controlling differences of radiation values of adjacent position points, simulation precision is ensured. Through a method of interpolation, the radiation value of any position point in a to-be-measured space area is obtained. Through an optimization method, coordinates of the to-be-measured position points are determined. The method can realize rational selection of key measuring position points in electromagnetic radiation measurement of electric vehicles, and improves efficiency and precision of measurement, and comprehensively evaluates performance of an electric vehicle from a view of electromagnetic radiation three-dimensional field.
Owner:HENAN POLYTECHNIC UNIV
Method of testing electronic components
ActiveUS20110240888A1Apparent advantageEnergy based chemical/physical/physico-chemical processesRadiation therapyRadioactive agentNuclear power
A method for testing the sensitivity of electronic components and circuits against particle and photon beams using plasma acceleration, in which the flexibility of the multifaceted interaction can produce several types of radiation such as electron, proton, ion, neutron and photon radiation, and combinations of these types of radiation, in a wide range of parameters that are relevant to the use of electronic components in space, such as satellites, at high altitudes or in facilities that work with radioactive substances such as nuclear power plants. Relevant radiation parameter ranges are accessible by this method, which are hardly accessible with conventional accelerator technology. Because of the compactness of the procedure and its versatility, radiation testing can be performed in smaller laboratories at relatively low cost.
Owner:RADIABEAM TECH
Double-channel counting system and measurement method of dose equivalent in high dose condition
ActiveCN104678423AReduce hardware costsSimple structureDosimetersRadiation intensity measurementHigh energyHigh doses
The invention relates to the technical field of ionization radiation testing, and provides a double-channel counting system and a measurement method of a dose equivalent in a high dose condition, so as to solve the problem of the measurement of the dose equivalent in the high dose condition. The measurement method mainly comprises the following steps: initializing the double-channel counting system; respectively performing measurement on an intermediate energy radiation field and a high energy radiation field; performing linear fitting on measured values obtained in various conditions, so as to obtain an interpolation equation. Through the adoption of the technical scheme, the correction of both the counting lineation and energy response of a semiconductor detector is realized within a certain radiation field average effective energy range.
Owner:中国测试技术研究院辐射研究所
Linear method using GIEM chamber to make radiation EMI test
InactiveCN1493882ARadiation Interference Field StrengthElectromagentic field characteristicsWide fieldLinear motor
A linear method for measuring the radiation EMI in GIEM chamber includes putting the object (EUT) to be measured on an turntable in GTEM chamber, determining the relative relation between various axises of EUT and various axises of GTEM chamber, rotating the turntable by alpha angle counterclockwise, measuring 6 data at a certain frequency but different 6 positions, using the linear equations set to find out the equivalent electric and magnetic couple moments, and calculating the radiated field intensify in wide field.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI
Four-element parallel tellurium-zinc-cadmium nuclear radiation detector device
InactiveCN102323609ALarge detection areaImprove detection efficiencyRadiation intensity measurementNuclear radiationNuclear engineering
The invention relates to a four-element parallel tellurium-zinc-cadmium nuclear radiation detector device, which comprises four tellurium-zinc-cadmium detectors. Each tellurium-zinc-cadmium detector is respectively connected with an adding circuit sequentially through a pre-amplifier, a differential amplifier and a main amplifier, and the adding circuit is finally connected with a multi-channel energy spectrometer and a digital oscilloscope. Signals detected by the four tellurium-zinc-cadmium detectors are processed by the multi-channel energy spectrometers and the digital oscilloscopes after being amplified. Compared with the traditional unit detector, the detector device has a large detection area and high detection efficiency, needs short detection time, is suitable for portable nuclear radiation detection spectrometers, and can be widely applied in nuclear waste monitoring, environmental monitoring, and radiation testing of goods at airports, ports and railways.
Owner:SHANGHAI UNIV
Radiation testing system for simulation television station transmitting power under open ground environment
InactiveCN104735446AComprehensive monitoringAccurate monitoringTelevision systemsTransmitted powerTelevision station
The invention provides a radiation testing system for simulation television station transmitting power under an open ground environment, and belongs to the field of radio transmission system performance index testing. The testing system comprises a directional receiving antenna, power measuring equipment, a ranging and locating device and a control device; the directional receiving antenna is used for receiving electromagnetic waves transmitted by a simulation television station, converting the electromagnetic waves into electric signals and transmitting the electric signals to the power measuring equipment; the power measuring equipment calculates the peak power Pr incident on the receiving antenna according to the electric signals; the ranging and locating device is used for measuring the height h1 of a transmitting antenna, the height h2 of the receiving antenna and the distance L between the receiving antenna and the transmitting antenna; the control module comprises a equivalent isotropic radiated power estimating module, and the equivalent isotropic radiated power estimating module is used for calculating the equivalent isotropic radiated power (EIRP) of a tested station. The radiation testing system for the simulation television station transmitting power under the open ground environment can achieve more comprehensive and accurate monitoring on a station radio transmission system including transmitters and antenna feed systems, and therefore the working flexibility and autonomy are greatly improved.
Owner:国家无线电监测中心 +2
Mobile phone positioning apparatus for radiation testing
InactiveUS20060068713A1Easy to controlReduce radiationResistance/reactance/impedenceSubstation equipmentEngineeringLocation Equipment
A mobile phone positioning apparatus provides a rotational movement and switching functionality among three planes (H, E1 and E2) as requested by a radiation test. The positioning apparatus includes a base, a support shaft, a platform and a testing plane switch apparatus. The testing plane switch apparatus is mounted on the platform. An inverse U frame is fixed on the platform. A testing frame, pivotally connected to the inverse U frame, is rotated by two pneumatic cylinders so as to switch between the H plane and either the E1 or E2 plane by 90 degrees. A testing plate, pivotally connected to the testing frame, is rotated by another pneumatic cylinder so as to switch between the E1 and E2 planes by 90 degrees.
Owner:ARIMA COMM CORP LTD
In-situ mechanical property testing device and testing method
The invention relates to an in-situ mechanical property testing device and a testing method, belongs to the field of synchrotron radiation in-situ testing, and solves a problem that an irregular sample is difficult to realize tensile pressurization state simulation in the prior art. The in-situ mechanical property testing device comprises a driving assembly, a supporting frame and a sample clamping piece, wherein the sample clamping piece comprises a first clamping piece and a second clamping piece, and the first clamping piece and the second clamping piece are respectively used for fixing theupper end and the lower end of a sample; the driving assembly can drive the first clamping piece to move relative to the second clamping piece to stretch or pressurize a sample; diffraction grooves are formed in supporting legs of the supporting frame, so diffraction and imaging X-ray emergence angles not smaller than 160 degrees are achieved. According to the method, stretching or pressurizing of a standard sample and a non-characterization shape sample can be realized, and the structure and the mechanical property of the sample are detected by combining a synchrotron radiation testing system.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI +1
Thermal radiation testing device and method
The invention belongs to the technical field of heat radiation testing, and particularly discloses a thermal radiation testing device and method for testing the heat preservation and insulation capacity of a radiation type heat preservation and insulation thin-layer coating. The thermal radiation testing device comprises a heat preservation box, a temperature detection device and a heat source. Aheat transfer cylinder is arranged in the heat preservation box, the temperature detection device is arranged in the heat transfer cylinder, a vacuum cavity can be formed between the temperature detection device and the heat transfer cylinder, and the heat source can transmit heat to the temperature detection device through the vacuum cavity. The vacuum cavity can block conduction heat transfer and convection heat transfer, so that heat is transferred between the temperature detection device and the heat source only through radiation heat transfer. The outer surface of the temperature detection device can be coated with a radiation type heat preservation and insulation thin-layer coating, and the temperature value detected by the temperature detection device can reflect the heat preservation and insulation capacity of the radiation type heat preservation and insulation thin-layer coating.
Owner:ASIA PAINT SHANGHAI +1
Injecting systems
InactiveCN1471980AControlled Manual InjectionMedical devicesComputerised tomographsBiomedical engineeringInjection device
An injector for radiation testing (1, 1A to 1C) equipped with manual operation type syringe (3, 3A, 3B or 3C) for manually infusing materials (9, 9B, 9C) to a patient (11) under control has an impaction condition detecting means (4, 12, 4A, 21, 17C and 31) for detecting the impaction conditions of a container (31) filled up with the materials (9, 9B, 9C) to be infused. In order to detect the impaction conditions, either directly measuring the volume of materials (9, 9B, 9C) occupied within the container (31) or indirectly measuring the position of the constituent part (5) of the injector (1, 1A to 1C) is possible and the position of the constituent part is correlated with the occupied volume.
Owner:SIEMENS AG
Internal combustion engine exhaust silencer shell noise radiation testing system
PendingCN108535018ASimple structureHigh precisionMachine part testingInternal-combustion engine testingCouplingSoftware system
The invention discloses an internal combustion engine exhaust silencer shell noise radiation testing system. The testing system comprises a sound absorption box, a loudspeaker, a sound track pipe, a data acquisition unit, an interface box, a microphone, a front-end pipe coupling, a to-be-tested silencer, a microphone, a tail-end pipe coupling, a silencing tail pipe, a sound absorption partition plate, a data processor and a software system. The data processor and the software system transmit a noise signal to the data acquisition unit and the interface box, the noise signal is amplified by thedata acquisition unit, the interface box and the loudspeaker, the generated noise enters the sound track pipe and then enters a to-be-tested silencer sample piece, one part of the microphone can be used for testing silencer shell noise radiation, and the other part of the microphone can be used for testing radiation noise at the tail of the silencer. The system is used for testing and researchingradiation noise of the internal combustion engine exhaust silencer shell and tail pipe structures.
Owner:TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
Radiation testing device and radiation testing method
InactiveCN1381716AMaterial analysis by transmitting radiationIrradiation devicesGraphicsComputer science
A radiation inspection device that counts the number of pixels within a preset gray scale range of gray scales distributed from XL to XH based on gray scales represented by pixel gray scale information output from a radiation detector, and according to The result of this total checks whether or not there is a shortage of items. Therefore, the device can correctly determine whether the item is missing or not by simple data processing instead of performing pattern recognition on a radiographic image.
Owner:SHIMADZU SEISAKUSHO CO LTD
Automatic heat radiation testing method for memory and system thereof
InactiveCN107830958AReduce inaccuracyImprove reliabilityThermometer detailsMaterial strength using tensile/compressive forcesProcess engineeringHuman power
An automatic heat radiation testing method for a memory comprises the following steps of adjusting a testing environment; loading a testing pressure; detecting whether the pressure is maximized, if not, performing pressurizing continuously, and otherwise, performing a next step; and unloading the pressure. The invention further provides an automatic heat radiation testing system for the memory. Inthe heat radiation testing process of the memory, inaccurate testing result caused by change of factors such as man-caused air current and ambient temperature is greatly reduced, and operation reliability of a server is improved. The automatic heat radiating testing method and the system thereof further have advantages of reducing requirement for manpower, improving equipment utilization rate, greatly improving working efficiency and saving energy consumption.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
Transmitting power radiation testing system of digital TV station in open ground environment
InactiveCN104717495AComprehensive monitoringAccurate monitoringTelevision systemsChannel powerTransmitted power
The invention provides a transmitting power radiation testing system of a digital TV station in an open ground environment, and belongs to the field of performance index test of a radio transmitting system. The testing system comprises a directional receiving antenna, a power measuring device, a ranging and positioning device and a control device, wherein the directional receiving antenna is used for receiving electromagnetic waves transmitted by the digital TV station and converting the electromagnetic waves into an electric signal transmitted to the power measuring device; the power measuring device is used for calculating channel power Pr entering the receiving antenna according to the electric signal; the ranging and positioning device is used for measuring the height h1 of a transmitting antenna, the height h2 of the receiving antenna, and the distance L between the receiving antenna and the transmitting antenna; the control device comprises an equivalent isotropic radiated power (EIRP) estimating module which is used for calculating the EIRP of the tested station. With the adoption of the system, the station radio transmitting system including a transmitter and an antenna feeder system can be comprehensively and accurately monitored, and the working flexibility and independence can be greatly improved.
Owner:国家无线电监测中心 +2
Radiation testing method for simulation television station transmitting power under open ground environment
InactiveCN104735447AComprehensive monitoringAccurate monitoringTelevision systemsTransmitted powerPerformance index
The invention provides a radiation testing method for simulation television station transmitting power under an open ground environment, and belongs to the field of radio transmission system performance index testing. The testing method comprises the steps that a center frequency f of power measurement equipment is set; the polarization direction and the pitching direction of a receiving antenna are adjusted, and after a signal maximum value is found, the receiving antenna is fixed; the height h1 of a transmitting antenna, the height h2 of the receiving antenna and the distance L between the receiving antenna and the transmitting antenna are measured and recorded; the peak power Pr received by the receiving antenna is measured; the equivalent isotropic radiated power (EIRP) of a tested station is calculated according to the following formula: EIRP=Pr-Gr+Lr+Lprop+Pb, wherein the Gr is the gain of the receiving antenna, the Lr is the loss of a receiving feeder line and a connector, the Lprop is space transmission loss, and the Pb is compensation power. The radiation testing method for the simulation television station transmitting power under the open ground environment can achieve more comprehensive and accurate monitoring on a station radio transmission system including transmitters and antenna feed systems, and therefore the working flexibility and autonomy are greatly improved.
Owner:国家无线电监测中心 +2
Mobile phone positioning apparatus for radiation testing
InactiveUS7107020B2Easy to controlReduce radiationResistance/reactance/impedenceSubstation equipmentLocation EquipmentMobile phone
A mobile phone positioning apparatus provides a rotational movement and switching functionality among three planes (H, E1 and E2) as requested by a radiation test. The positioning apparatus includes a base, a support shaft, a platform and a testing plane switch apparatus. The testing plane switch apparatus is mounted on the platform. An inverse U frame is fixed on the platform. A testing frame, pivotally connected to the inverse U frame, is rotated by two pneumatic cylinders so as to switch between the H plane and either the E1 or E2 plane by 90 degrees. A testing plate, pivotally connected to the testing frame, is rotated by another pneumatic cylinder so as to switch between the E1 and E2 planes by 90 degrees.
Owner:ARIMA COMM CORP LTD
Antenna module for simulating terminal radiation and in-vehicle electromagnetic radiation test system and method
PendingCN110994152ASimple structureGood omnidirectionalRadiating elements structural formsElectromagentic field characteristicsMicrowaveRadio frequency signal
The invention provides an antenna module for simulating terminal radiation and an in-vehicle electromagnetic radiation test system and method. The antenna module comprises a substrate; and the first surface of the substrate is provided with a radiation microstrip, a feeder line which is connected with the radiation microstrip and inputs a radio frequency signal to the radiation microstrip, and a power adjusting unit which is connected in series with the feeder line. A grounding layer is arranged on the second surface of the substrate, the first surface and the second surface are opposite, andthe grounding layer covers all or part of the feeder lines on the second surface. The antenna module has good omnidirectivity. The radiation power of the radiation micro-strip can be flexibly adjustedthrough the power adjusting unit; the electromagnetic radiation condition of the terminal equipment in various working modes can be highly simulated, and the problem of poor consistency of test datacaused by different manufacturers, placement postures and test placement positions of the terminal equipment when the terminal equipment is directly used for radiation test is solved. The system performs a radiation test in the microwave darkroom, can avoid external signal interference, and guides a user to reasonably place a terminal.
Owner:CHINA AUTOMOTIVE ENG RES INST +1
Experimental device for LED chip heat radiation testing
InactiveCN104634593ASimple structureEasy to operateStructural/machines measurementExperimental testingMeasuring instrument
The invention provides an experimental device for the LED chip heat radiation testing. The device comprises an adjustable support, a power supply module, heat insulation material, an LED chip to be tested, a heat radiator and a temperature measuring instrument. The adjustable support comprises a fixing base, a supporting rod and a height adjusting rod; the heat insulation material is installed on the fixing base of the adjustable support; the LED chip to be tested is installed above the heat insulation material; the heat radiator is installed above the LED chip to be tested. The power supply supplies the operating voltage for the LED chip, fan and other active heat radiation devices, and the temperature measuring instrument measures the temperature of the LED chip to be tested. The experimental device is simple in structure and convenient to install and operate, and the active and natural heat radiation experimental testing can be performed on the LED chip.
Owner:XIAN BOYU GREEN ENERGY
Electromagnetic radiation test method, system and device and storage medium
PendingCN114113805AAvoid cumbersome stepsShorten test timeElectromagentic field characteristicsRemote controlControl room
The invention provides an electromagnetic radiation test method, system and device, and a storage medium. The method comprises the following steps: connecting a network port of a control computer in a control room with a network port of a substrate management controller of a tested device in a test shielding darkroom through a network cable; adjusting the corresponding frequency exceeding the limit value to the screen of the receiver, and judging whether the corresponding clock opens the spectrum spreading function or not according to the waveform on the screen; in response to the fact that the spectrum spreading function of the corresponding clock is opened, selecting an optimal spectrum spreading mode; and selecting an optimal modulation depth and an optimal modulation speed in the optimal spread spectrum mode. According to the invention, when electromagnetic radiation testing is carried out, setting of related parameters of remote control spread spectrum can be directly carried out on the server in the shielding darkroom in the control room, and testing results under different setting conditions of the spread spectrum parameters can be directly checked in real time in the control room, so that a large amount of time and economic cost are saved.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
Film radiation dosage testing clamp
InactiveCN102928863AAvoid errorsImproving Absorbance Measurement AccuracyDosimetersRadiation DosagesThumb opposition
The invention relates to a film radiation dosage testing clamp, and belongs to the field of radiation test. The clamp is a cuboid; four sides of the clamp are rectangular; the top and bottom of the clamp are square; a counter bore G and a counter bore H coaxial to each other, a film clamping slit and a clamping groove are formed in the clamp; and a film radiation dosage meter is placed into the film clamping slit by the clamping groove during test. By utilizing the film radiation dosage testing clamp, faults caused by movement of relative oppositions of the film during different tests of the clamp are overcome, the clamping force of the film radiation dosage meter in the clamp is eliminated, and the film radiation dosage meter is in a natural extension state, so that the improvement on the testing accuracy is facilitated.
Owner:NO 510 INST THE FIFTH RES INST OFCHINA AEROSPAE SCI & TECH +1
High precision positionable full-automatic three dimensional adjustable solar radiation testing device
PendingCN107883998ARealize remote controlReduce experimental errorPortable framesPhotovoltaic monitoringHydraulic pumpInfrared emitter
The invention provides a high precision positionable automatic three dimensional adjustable solar radiation testing device comprising a pedestal, an X-type section steel rack, a first hydraulic cylinder, a first piston rod, a mounting pedestal, universal wheels, a signal receiver, a storage battery, a support plate, a work panel, a second hydraulic cylinder, a second piston rod, a data output port, a hydraulic oil pump, an infrared ray emitter, an infrared receiver, a display platform, a micro-control unit, a rotary bearer, a rotary tube, a hydraulic oil tube, a photovoltaic cell panel, an inclination angle sensor remote controller, an artificial light source and an hydraulic oil pump. The advantages are that the solar radiation test can be automatically finished by the testing device witheasy operations, thus greatly increasing the testing safety and feasibility, and reducing the experiment errors by about 3-5%.
Owner:TIANJIN CHENGJIAN UNIV
Cylindrical shell modal vibration sound radiation testing device based on laser scanning
InactiveCN110907109AEasy to useSubsonic/sonic/ultrasonic wave measurementUsing wave/particle radiation meansAuditory radiationLaser scanning
The invention discloses a cylindrical shell modal vibration sound radiation testing device based on laser scanning, relates to the field of cylindrical shell modal vibration acoustic radiation testingdevices. The device comprises an excitation device, a laser vibration meter, a laser vibration meter translation device, a shell rotating device, a data acquisition analyzer, a microprocessor and a stabilized voltage supply, wherein the shell rotating device is located at the upper end of the excitation device, and the laser vibration meter is located above the shell rotating device. Characteristic parameters such as modal shape, inherent frequency and damping of cylindrical shell vibration under any boundary condition are measured by utilizing test devices such as an excitation device, a laser vibration meter, a laser vibration meter translation device, a shell rotating device, a data acquisition analyzer and a microprocessor; sound pressure (near field or far field) or sound power can be directly measured through experiments, or the sound pressure (near field or far field) or sound power generated by vibration of the cylindrical shell can be indirectly calculated by measuring the vibration speed of the shell, and certain use prospects are achieved.
Owner:BEIFANG UNIV OF NATITIES
Transmission mode electrochemical in-situ optical testing device
PendingCN110361337AHeight adjustableEasy to useMaterial analysis using wave/particle radiationColor/spectral properties measurementsElectrical batteryX-ray
The invention discloses a transmission mode electrochemical in-situ optical testing device and belongs to the field of material testing equipment and research. According to the device, in-situ opticaltesting can be performed an electrode material under a transmission mode in an electrochemical charging and discharging process, wherein optical testing involves testing of visible light of differentwavebands, laser testing, X-ray testing, synchronous radiation testing and neutron diffraction testing. The device disclosed by the invention is of a closed structure, is suitable for the measurementof a material sensitive to air and moisture, such as the electrode material of a battery; a positive pole fixing sheet and a negative pole fixing sheet are designed to fix a material to be tested, and therefore, the repeatability of testing is improved; electrode interfaces are adopted; the material can be electrochemically regulated in a testing process; an electrode can be in large-area contactwith the electrode material, so that the resistance of the device is reduced; two ends of the device are provided with observation windows, a passage is arranged at the middle of the device so as toallow light to pass through. The device has the advantages of convenience in assembling and disassembling and the like. The device disclosed by the invention can also be used in a reflection mode, andcan test electrode materials at two sides separately.
Owner:南杰智汇(深圳)科技有限公司
Radiation testing device, radiation testing method, sample testing system and sample testing method
PendingCN112798885AMonitor field strength valuesDielectric property measurementsElectromagentic field characteristicsNuclear engineeringField intensity
The invention relates to a radiation testing device, a radiation testing method, a sample testing system and a sample testing method. The radiation testing device comprises: a shielding box used for storing a to-be-detected sample; a signal generating device used for emitting a radiation signal into the shielding box; and a field intensity detection device located in the shielding box and used for detecting the field intensity of the radiation signal reaching the to-be-detected sample.
Owner:CHINA ELECTRONICS PROD RELIABILITY & ENVIRONMENTAL TESTING RES INST
Radiation testing system and method
InactiveCN1199042CInstant photoTake accurate picturesTelevision system detailsFilm/foil adhesivesElectronic shutterProjection image
A radiation inspection system and a method using the same. The system includes a steering radiation electronic tube for generating radiation, and an image intensifier for converting a plurality of projection images formed by projecting the radiation from the steering radiation electronic tube onto an object to be inspected into visual images. The system also includes a visual image part on which the visual images are projected, an electronic shutter having a visual image transmission part for transmitting the visual images from the visual image part of the image intensifier in sequence, and a camera for photographing the visual images from the visual image transmission part of the electronic shutter in sequence. With this configuration, the electronic shutter transmits visual images sequentially.
Owner:SAMSUNG ELECTRONICS CO LTD
A method for selecting the length of the tail jet flow direction test section for infrared radiation testing
ActiveCN110907188BMeet the needs of infrared spectrum radiation characteristics testingGas-turbine engine testingMaterial analysis by optical meansAviationFt ir spectra
Owner:AIR FORCE UNIV PLA
Identification detection device, communication equipment and method
PendingCN114397512AAvoid testing limitationsElectric devicesElectromagentic field characteristicsElectrical connectionEngineering
The invention provides an identification and detection device, communication equipment and a method. The identification and detection device comprises a radio frequency circuit module; one end of the feed port is electrically connected with the radio frequency circuit module; the antenna is connected with the other end of the feed port; and the detection circuit unit is electrically connected with the antenna and is used for detecting the circuit connection state of the antenna and the feed port. By arranging the detection circuit unit, the test modes can be detected and identified, different radio frequency powers can be output according to different test modes, a traditional method for testing by adopting general radio frequency power is abandoned, and the situation that conduction testing and radiation testing are limited is avoided.
Owner:HUIZHOU TCL MOBILE COMM CO LTD
A kind of cable electromagnetic radiation analysis method and system
ActiveCN109254207BQuick checkImprove efficiencyElectromagentic field characteristicsEngineeringComputational physics
Owner:SUZHOU METABRAIN INTELLIGENT TECH CO LTD
Server radiation anti-interference degree test method, device, equipment and medium
PendingCN114545120AMeasuring interference from external sourcesEnergy efficient computingWaveform analysisInterference resistance
The invention relates to the field of computers, in particular to a server radiation interference resistance testing method, device and equipment and a medium. The method comprises the following steps: carrying out a radiation emission test on a certain server in a plurality of servers in a test environment, and collecting a radiation signal generated by the certain server; performing waveform analysis on the radiation signal to determine a signal type; determining a test frequency based on the signal type and the radiation signal; and simulating a signal of which the frequency is equal to the test frequency in the test environment, and detecting whether the remaining servers operate normally or not. The scheme of the invention enriches the selection of the test frequency during the radiation resistance test, realizes more efficient and more accurate selection of the test frequency of the radiation immunity of the server, ensures that the server can meet the requirement of the radiation immunity, and ensures that the server can operate normally without being influenced by electromagnetic radiation in a complex electromagnetic environment such as a machine room.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
Method, device and electronic equipment for calibrating chip wireless parameters
ActiveCN111200467BSimplify the calibration processImprove accuracyTransmitters monitoringReceivers monitoringRadiation lossWireless transmission
The embodiment of the invention provides a chip wireless parameter calibration method and device, and electronic equipment, which belongs to the technical field of wireless transmission. The method comprises the steps of determining a to-be-calibrated target chip; acquiring a radiation loss value corresponding to the target chip; acquiring radiation parameters of the target chip through a radiation test; and taking a value obtained by adding the radiation parameter and the radiation loss value as a wireless parameter of the target chip. Through the scheme of the invention, the calibration process of the wireless parameters of the chip is simplified; the loss caused by environmental factors in the radiation test process is compensated, and the accuracy of wireless parameter calibration is improved; emission parameter calibration deviation caused by environmental factors during radiation calibration in production calibration of the wireless signal emission chip is weakened; and the method is convenient for batch processing and production, so that wireless emission calibration of factory chips is more accurate.
Owner:ASR MICROELECTRONICS (SHENZHEN) CO LTD
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