HF channel noise 高频噪声音频
hf-channel 短波信道
HF channel model 短波信道模型
moderate HF channel 短波中度典型信道
wideband HF channel 宽带短波信道
HF channel simulator 短波信道模拟器
HF channel simulation HF信道模拟
qam signal in hf channel 短波幅相调制信号
HF burst channel 短波猝发通信
HF channel"s burst-interference may destroy the equalization badly and makes the equalizer ineffective.
短波信道的突发干扰对均衡器有严重的破坏作用并能导致均衡器失效,从而影响整个通信系统。
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Firstly, this thesis analyzes the transmission characteristics of HF channel, and fixes on the system modulation scheme 2dpsk, according to the comparison of ASK, FSK and PSK (DPSK).
首先，本文分析了短波信道的传输特性，并通过比较A SK、FSK和PS K (DPSK)几种调制方式的特点，确定了2dpsk为系统的调制方案。
In HF channel modeling, doppler spread effects are usually simulated by filtering white Gaussian noise. The signal correlation in time domain deviates far from the theoretical value.
在短波信道建模中，通常采用对高斯白噪声滤波来仿真多普勒扩展效应，这些模型的时域相关值与理论值相差较大。
In this paper, a DSP-based HF channel simulator within audio bandwidth is designed and implemented based on the concerned theory on the effects caused by the ionosphere in radio wave.
根据电离层影响无线电波传输的有关理论，本文设计并实现了一种基于DSP的话音带宽短波信道模拟器。
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