| 1. | By calculating parameters including the link length , the azimuth angle , the elevation , the optical power that the inter - satellite optical cdma communication system will receive , the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well . by analyzing the factors to impact bit - error - rate ( ber ) from the received power , multi - user disturbing , background noise , wavelength , bit rate etc , measures to guarantee high performances of the system are obtained , especially those for smoothing the fluctuation of the received optical power from host platform vibration
分析研究了卫星光cdma通信系统中卫星仰角、方位角和距离,给出了探测器能够接收到的光功率以及atp子系统捕获及跟瞄的范围;对卫星光cdma通信系统性能模型和基于卫星振动系统性能模型的研究,分析了多用户干扰、接收光功率、背景光噪声、振动偏差以及码速率对系统误码率的影响,给出了相应的改进措施。 |
