Method for improving ranging precision of radar based on Gaussian interpolation
A radar ranging and precision technology, applied in the field of Gaussian interpolation, can solve problems such as increased computation, reduced ranging accuracy, and waste of time and resources, and achieve the goals of reducing quantization errors, improving radar ranging accuracy, and reducing calculations Effect
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[0031] Further, the drawings are further described with reference to the present invention:
[0032] Using the priori information, under the premise of the sampling rate, the bandwidth, and the window function and the noise, select the higher reference sampling rate to fit the echo pulse pressure of the 3DB beam width into a Gaussian distribution function, no matter Whether the amplitude of the pulse pressure results is normalized, the fitting Gaussian distribution variance is a certain constant. Selecting a higher sampling rate to get enough sampling points within the 3DB beam width, and then use the real sampling rate to normalize the sampling time, then use one of the corresponding sample points to fit the Gaussian distribution function. , Get the uniquely determined fitting part of the franchise at this time. Only the maximum value and the second large value sampling point are taken in the echo pulse pressure, and the sample time is normalized to the sampling time unit, and th...
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