精品文档---下载后可任意编辑飞机机载电台无线电通信原理【摘要】 本论文主要阐述飞机无线电通信的原理、组成以及应用。首先是介绍了飞机通信的概况，然后进一步说明无线电通信的原理以及实现方法，其实现主要利用调幅、调频和单边带调制等高频电子技术，此外论文还涉及了无线电抗干扰噪音抑制、载波抑制即编码抑制等内容，最后对无线电通信技术的开展前景如跳频、扩展频谱通信及数字通信作了描述。关键词： 飞机 通信 调制/解调 Abstract: The caption mainly expounds the principles of aircraft radio communication, composition and application.The first part is summary of aircraft communications, and then a better depiction of the principles and the realization method, its implementation using mainly AM, FM and single sideband modulation high-frequency electronic technology, in addition to paper also deals with the radio interference noise suppression, carrier-suppressed, that the code suppression etc. At last, the prospects for the development of radio communications technology, such as frequency hopping, spread spectrum communications and digital communications, briefly describe.Key words: Aircraft Communication modulation/demodulation目 录1 飞机通信...............................................................................................................................................32.无线电通信原理...................................................................................................................................3无线电波的分类...................................................................................................................................3精品文档---下载后可任意编辑无线电波传播方式...............................................................................................................................4地波〔地外表波〕传播...................................................................................................................4直射波传播...............
