论文部分内容阅读
从七十年代末开始,美英法等国相继研制了具有体积小、重量轻、可靠性高、机动性强,能与无线电视距中继通信兼容等特点的所谓新一代的散射通信设备。具有代表性的有美国雷声公司的AN/TRC-170(V-3),英国马可尼公司的H7450、H3742、R2100等设备构成的移动散射系统,以及法国汤姆逊公司的FH940、FH961等设备系列。这些散射设备可以说代表了目前国外散射通信设备的最高水平。在新技术方面这些设备采用了程序控制的频率合成器、失真自适应接收技术、判决反馈
Since the late 1970s, the United States, Britain and France and other countries have successively developed so-called next-generation scattering communications devices that are small in size, light in weight, highly reliable, highly mobile, and compatible with wireless telemetry relay communications. Representative of the United States Raytheon AN / TRC-170 (V-3), the United Kingdom Marconi’s H7450, H3742, R2100 and other equipment consisting of mobile scattering system, as well as the French Thomson FH940, FH961, etc. Equipment series. These scattering devices can be said to represent the highest level of current foreign scattering communications equipment. In the new technology, these devices use a program-controlled frequency synthesizer, adaptive distortion-receiving technology, decision feedback