Device and method for estimating angle of high-precision array antenna receiving system
An array antenna and receiving system technology, applied in the field of communication, can solve the problems of difficulty in obtaining, low angle estimation accuracy, and high computational complexity, and achieves overcoming the problems of complicated weight setting, high angle estimation accuracy, and low computational complexity. Effect
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[0040] The present invention will be further described below in conjunction with the accompanying drawings.
[0041] Refer to attached figure 1 , the device of the present invention includes four modules: an array antenna receiving signal module, a radio frequency module, an adaptive weight setting module, and an angle estimation module. Among them, the array antenna receiving signal module is used to receive far-field signals. The array antenna is composed of M array elements arranged in a straight line at equal intervals, and the spacing is half of the signal wavelength; the radio frequency module is used to receive system wireless radio frequency signals. It is composed of radio frequency antennas corresponding to each array element; an adaptive weight setting module is used to set weights required for angle estimation; an angle estimation module is used to estimate the angle of arrival of received signals. The module is composed of a calculation unit, a determination unit...
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