Near-field electromagnetic wave measuring system and multifunctional near-field electromagnetic wave measuring method
A measurement system and electromagnetic wave technology, applied in measurement devices, material analysis using microwave means, instruments, etc., can solve the problem of single function of the measurement system, and achieve the effect of solving the high experimental cost and saving experimental time and space.
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Embodiment 1
[0030] Such as figure 1 and 6 As shown, in this embodiment, the near-field microwave measurement system mainly includes a two-dimensional planar mobile system 1, a host computer, a vector network analyzer, a lifting platform 2, a level adjustment device 3, a near-field measurement probe and a detachable Upper board beam device 4,
[0031] The detachable upper plate beam device 4 includes an upper plate 42 and a frame 41; the upper plate is a metal plate; the sample is located between the upper plate and the level adjustment device. The frame is preferably made of non-metal, and the four side walls of the frame can use non-metal baffles or not, but metal baffles cannot be used.
[0032] Such as Figure 6As shown, the middle area of the upper plate 42 is provided with a detection port 44, and the near-field measurement probe is clamped and fixed in the space above the sample by the line card 43 after passing through the detection port 44 on the detachable upper plate beam d...
Embodiment 2
[0037] Such as figure 2 and Figure 5 As shown, the difference between Embodiment 2 and Embodiment 1 is that the detachable upper plate beam device 4 in Embodiment 1 is replaced by a detachable probe clamping device 5 . The near-field measurement probe is clamped and fixed in the space above the sample by a detachable probe clamping device, and the detachable probe clamping device is made of non-metallic material.
[0038] The detachable probe clamping device 5 includes a base fixing block 51, an optical axis 52, a support bar 54, a T-shaped connecting slider 53, and a cable clamp 55; the base fixing block and the two-dimensional plane moving system The base is fixedly connected, the base fixing block is connected to the optical axis, the optical axis and the support bar are connected through a T-shaped connecting slider, and the near-field measurement probe is clamped and fixed on the support bar through a cable clamp.
[0039] When measuring an open antenna sample, the st...
Embodiment 3
[0041] In this embodiment, the near-field microwave measurement system includes a detachable upper plate beam device 4 and a detachable probe clamping device 5, the detachable probe clamping device and the base of the two-dimensional plane moving system Connected; pulleys are installed at the bottom of the frame of the detachable upper plate beam device; the measuring probe is fixed by the cable clamp after passing through the cable clamp on the support cross bar, and the height of the measuring probe is located between the height of the upper plate and the height of the lower plate between.
[0042] The structures of the detachable upper plate beam device 4 and the detachable probe clamping device 5 can be shown as the corresponding component structures in Embodiments 1 and 2, respectively.
[0043] When performing open field measurement, just move the detachable upper plate beam device out of the measurement area;
[0044] When measuring the bound field, move the detachable...
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