OFDM是一种新型的调制方式，称为正交频分复用。阐述了OFDM的原理、系统组成和 优良性质及其在数字电视传输和混合光纤电缆网(HF，C)中的应用。 -OFDM is a new type of modulation is called orthogonal frequency division multiplexing. OFDM on the principles of good composition and the nature of the system and its appl

使用维纳分布进行瞬时频率估计用来校正电离层非线性相位污染带来的频带展宽-High-frequency (HF) sky-wave radar signals propagate to and from the target by means of the ionosphere. The difficulty in obtaining very narrow beamwidths at HF, and the long ranges involved, mean that the

OFDM是一种新型的调制方式，称为正交频分复用。阐述了OFDM的原理、系系统组成和优良性质及其在数字电视传输和混合光纤电缆网(HF，C)中的应用。 -OFDM is a new type of modulation called orthogonal frequency division multiplexing. Elaborated the principle of the OFDM, the composition and good nature of the particle sys

对EBPSK(Extended binary phase shift keying)调制雷达系统的特点，本文将其与传统的LFM(Linear frequency modulation)雷达系统进行综合性能比较。-he overall performances of EBPSK(Extended binary phase shift keying) modulation and LFM(Linear frequency modulation) radar systems are compared.