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１任务背景 调频广播具有抗干扰能力强，信号保真度高，接收简单经济等特点，已成为群众喜闻乐见的主要广播方式。特别对越来越多的流动接收人口来说，具有电视无法替代的优越性，所以尽管调频广播在我国发展才十多年，但是已经得到了全面的普及。 目前我国的
1 Mission Background FM radio with anti-interference ability, high signal fidelity, easy to receive and economic characteristics, has become the masses loved by the main broadcast. Especially for a growing number of mobile receiving population, there is the irreplaceable superiority of television. Therefore, although FM broadcasting has been developing for more than 10 years in our country, it has enjoyed universal popularity. At present our country