在分析几种常用的气象回波谱矩估计算法的基础上，提出了一种改进的频域估计算法。
Then we propose an improved spectral processing algorithm based on comprehensive analysis of several commonly used SM estimators.
首先简要介绍了气象雷达的雷达方程、气象雷达探测气象目标的基本原理、气象目标回波的时域频域特性和气象回波信号的模拟方法。
Firstly, we introduce the radar equation of weather radar, the basic principles of detection weather targets, the time and frequency domain properties of weather radar echo and its simulation methods.
试验表明，该方案是解决天气雷达回波图像存储和远程传输的一种有效途径，并在气象业务工作中发挥了重要作用。
Tests indicate that this scheme is one of the effective ways to solve the problems of storage and long-distance transmission of weather radar echo images.
为了提高气象预报业务水平，特别是强对流天气的临近预报能力，提出利用高斯描绘子来进行识别和跟踪天气雷达的回波轮廓。
For improving the level of weather forecast, a new method that weather radar echo boundaries can be recognized and tracked by Gaussian descriptors is proposed.
波段双基站多普勒天气雷达系统是一种新型气象探测雷达系统，主要用于测量降雨回波的三维风场。
X band bistatic Doppler weather radar is a new kind of weather detection radar system. It can detect three dimensional wind vector fields from the echo of rain.
连续的声雷达探测资料表明，气象条件不同，逆温强弱不同，声回波有明显差异。
The continuous radar sounding data show that the radar sounding echoes appear obvious discrepancy when the weather conditions are not alike and the intensity of inversion layer are different.
回波强度是气象雷达最重要的测量参数，包括强度探测范围和强度探测精度两个指标。
The echo intensity, the most important measurement parameter of wea ther radars, consists of the detection range and precision.
回波强度是气象雷达最重要的测量参数，包括强度探测范围和强度探测精度两个指标。
The echo intensity, the most important measurement parameter of wea ther radars, consists of the detection range and precision.
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