Interference waveform self-adaptation offset method and device for continuous wave detection
An adaptive and interference cancellation technology, applied in the field of continuous wave detection, can solve the problems of not being able to approach signal waveform changes in real time, high hardware requirements, complex implementation, etc., and achieve the effect of convenient implementation, simple system implementation, and interference elimination
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[0039] Such as Figure 1a Shown is the system structure diagram of the interference signal active adaptive cancellation method of the present invention. The system includes a transmitting module, a transmitting antenna, a receiving antenna, an interference cancellation module, a receiving processing module, and a digital signal processing module. Such as Figure 1b Shown is the structure diagram of the transmitting module, such as Figure 1c Shown is the structure diagram of the interference cancellation module, such as Figure 1d Shown is the structure diagram of the receiving processing module. The transmitting module is composed of a D / A converter, an up-conversion module, a low-pass filter module, and a power amplifier. The interference cancellation module has a low-pass filter and a subtractor. The receiving processing module includes a down-conversion module, a filter amplifier and an A / D converter. The digital signal processing module is connected with the...
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