Spectrum Characteristic Analysis of ExcitationSignals from NewGeneration Weather Radar with BandPass Filter at Urumchi
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Abstract:
The frequency characteristics of excitationsignals from the newgeneration weather radar at Urumchi before and after equipped with a bandpass filter are discussed, and the constituent structure and impedance transformation functions of the band pass filter are analyzed. Fourier transform is conducted on the excitationsignal function and responsesignal function, respectively, to gain the corresponding frequency function, which is then compared with the measurements. It is found out that that the installation of the bandpass filter brought about a satisfactory result, which can avoid radar microwave signal disturbance to other local microwave equipments due to the frequency band width of the radar.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.