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TRANSMITTER AND RECEIVER ANTENNA GAIN ANALYSIS FOR LASER RADAR AND COMMUNICATION SYSTEMS

机译:激光雷达和通信系统的发射机和接收机天线增益分析

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The present document is a comprehensive and fairly self-contained study of centrally obscured optical transmitting and receiving antennas and is intended for use by the laser radar and communication systems designer. The material is presented in a format which allows the rapid and accurate evaluation of antenna gain. The Fresnel approximation to scalar wave theory is reviewed and the antenna analysis proceeds in terms of the power gain. Conventional range equa¬tions may then be used to calculate the power budget.nThe transmitter calculations, resulting in near and far field antenna gain patterns, assumes the antenna is illuminated by a laser operating in the fundamental cavity mode TEM00.

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