Ultra-wide band imaging method and device with enhanced focusing
An ultra-broadband imaging and focus enhancement technology, applied in measurement devices, radio wave reflection/re-radiation, utilization of re-radiation, etc., can solve the problems of strong equipment interference, slow target positioning, and complicated electromagnetic compatibility design.
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[0114] The present invention will be further described below in conjunction with the drawings and embodiments.
[0115] Such as figure 1 , The controller FPGA1 (Field Programmable Gate Array) controls the time domain signal transmitter 5 to send out a narrow pulse signal with a width of nanoseconds and a higher bandwidth spectrum. The narrow pulse signal is radiated by the transmitting antenna array 12 to detect the target. The receiving antenna array 13 sends the received weak reflection signal to the LNA (low noise amplifier 11), the signal is amplified and then enters the receiver 7. The receiver 7 parses the received high-speed weak signal into a digital signal, and collects data through multiple channels The unit 10 is fed into the signal processing and imaging module 4. At the same time, the controller FPGA1 controls the inertial positioning sensor 2 to measure the acceleration of the antenna device in real time, the data acquisition unit 3 sends the measurement result to...
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