ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Analysis of Key Factors Affecting Accurate Measurement of Weather Radar Echo Intensity and Verification of Calibration Effectiveness
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Abstract:
Based on the weather radar equation, identify the key factors that affect the accuracy of weather radar echo intensity measurement. Radar transmission power is the key variable that is most prone to fluctuations in radar performance parameters, which affects the accuracy of radar measurement; The dynamic range of the receiver is a key indicator for measuring the stability of the receiving channel, which directly affects the measurement results of the echo power. An excellent weather radar system should have functions such as online monitoring, calibration, and correction of key performance parameters. This paper statistically analyzed data samples accumulated over the years from 12 networked radars in Guangdong, and tested the effectiveness of CINRAD/SA-D radar intensity calibration and online correction; The necessity of offline calibration of networked radar is demonstrated through the comparison and stability analysis of key performance parameters. Additionally, the first volume scan data collected when th
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