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受控调频(TFM),是一种新颖的恒包络数学调制技术。它的功率谱特性极佳,以此提高频带利用率,节约频谱资源,可望在流动语言通讯、卫星通信中得到广泛的应用。本文对受控调频做了试验性的实验,实现了受控调频的调制和解调,计算了它们的误码率,实测了功率谱。
Controlled frequency modulation (TFM), is a novel constant envelope mathematical modulation technology. Its excellent power spectral characteristics, in order to improve the frequency band utilization, save the spectral resources, is expected to be widely used in mobile language communications, satellite communications. In this paper, a pilot experiment is carried out on controlled frequency modulation to realize the modulation and demodulation of controlled frequency modulation. The bit error rates of them are calculated and the power spectrum is measured.