本文用711测雨雷达实测的冰雹云过程回波资料，分析了大小回波在雹暴形成中的演变过程以及回波强度和回波高度间的关系。
The evolvement of echo during the formation of hail storm and the relation of echo intensity with its height are analyzed by use of echo data. of the 711 rain radar.
推导了雾、霾、云、大气的衰减随高度变化的规律，给出了云层激光回波特性的计算公式。
We get rules of the attenuation of fog, cloud, haze and atmosphere as the height changes, and give the calculation formula of the laser scattering character of cloud layer.
介绍采用数字信号处理的超声端点反射回波声程测量裂纹高度的方法研究和结果。
The measurement of crack height by ultrasonic edge peak echo method and digital signal processing was described, and the results were given.
在已有数据和理论模型的基础上，提出了雷达回波强度的计算方法，并对这种新型高度计系统进行了计算机模拟。
Based on available data and theoretical models, the method of computing the amplitudes of the radar returns and the computer simulation of this neW altimeters is presented.
雷达高度计回波模型是设计、检验高度计跟踪算法的基础，是高度计设计的关键性环节。
As the basis of the tracking algorithm, an echo model is the key to radar altimeter design.
为了对雷达目标环境进行深入研究，以提高高度提取算法的性能，需要对回波特性进行分析研究。
Radar target environment needs to be deeply studied to improve properties of height detection algorithm, thus terrain return properties need to be analyzed and studied.
在激光雷达测量平流层下部臭氧时，我们发现光电倍增管接收到较低高度的强信号后，回波信号会产生光子并合现象。
In lidar measurements of ozone in lower stratosphere, the phenomena of photon overlap are found when PMT receive the stronger signals from lower altitude.
在激光雷达测量平流层下部臭氧时，我们发现光电倍增管接收到较低高度的强信号后，回波信号会产生光子并合现象。
In lidar measurements of ozone in lower stratosphere, the phenomena of photon overlap are found when PMT receives the stronger signals from lower altitude.
最后，结合雷达高度表回波信号的特点，较为详细地讨论了脉间二相编码信号在雷达高度表中的应用，也给出了仿真结果。
Finally, the application of this kind of signal in the radar altimeter is discussed in detail combined with echoes characteristics of a radar altimeter, and simulation results are also given.
为了给LFMICW雷达高度计高度提取算法提供计算机模拟数据源，需要对高度计的大地回波进行建模和仿真。
In order to provide simulated data source for LFMICW radar altimeter height detection algorithm, terrain return of LFMICW altimeter needs to be modeled and simulated.
为了给LFMICW雷达高度计高度提取算法提供计算机模拟数据源，需要对高度计的大地回波进行建模和仿真。
In order to provide simulated data source for LFMICW radar altimeter height detection algorithm, terrain return of LFMICW altimeter needs to be modeled and simulated.
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