56 results about "Radiation testing" patented technology

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.

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.

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.

The invention discloses a method for selecting the length of a tail jet flow direction test section for an infrared radiation test. The method includes the following steps: firstly, a 30m distance marker lamp and a 15m marker point are set; secondly, a mid-wave infrared thermal imager is set; secondly, the engine is tested And use the mid-wave infrared thermal imager to take the infrared heat map of the tail jet: according to the test run process, the test run is carried out, respectively, when the engine is in a typical working state, and after the state is stable for a preset time, use the mid-wave infrared thermal imager to measure the tail jet. The flow is measured to obtain the infrared heat map of each state, after the engine test run is over, the medium-wave infrared thermal imager is turned off, and the cable is disconnected; then the infrared heat map obtained in step 3 is processed to obtain the tail jet infrared radiation field; the present invention uses It is used to assist in determining the measurement distance of the Fourier infrared spectrometer, and meets the needs of using the Fourier infrared spectrometer in the field to test the infrared spectral radiation characteristics of the aeroengine.

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.

Embodiments of the present invention provide a cable electromagnetic radiation analysis method and system, which belong to the field of electromagnetic radiation testing. The specific method includes performing a radiation interference test on a device under test including several cables with a set test frequency range; determining the frequency point where the radiation does not meet the limit requirements; generating a test wave signal with the same frequency as the frequency point, and After the test wave signal is amplified, it is connected to the cables one by one, and each cable is used as an electromagnetic wave radiation antenna; the electromagnetic radiation signal of each cable is tested, and compared with the frequency point where the radiation does not meet the limit value requirements. Yes, identify the cable that caused the device test results to exceed the limits. The method of the embodiment of the present invention can quickly check the cables inside each device, and does not need to repeatedly use the electromagnetic radiation test darkroom to repeat the test over and over again, improving the efficiency by 80%. The test time and test cost are saved to the greatest extent.

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.