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- According to the characteristic of HF channel, the Watterson model which was CCIR recommended was made. 首先从短波信道的特性分析入手，建立了基于CCIR建议的Watterson模型的短波信道模型。
- The performance of conventional differential demodulator is very poor in bad HF channel. 常规的差分解调器在恶劣的短波信道环境下性能很差。
- Assuming the suppressing of serious co-channel interference this kind of data modem can realize data transmission by rate of 8KB/s, 16KB/S or 32KB/S in HF channel with bandwidth of 125kHz. 在共信道干扰被抑制的前提下,这种数据调制解调器可在带宽为125kHz的短波信道上实现8KB/s、16KB/s和32KB/s的数据传输。
- One of the important tasks to improve the throughput in HF channel is to find the method to conquer the severe time-varying intersymbol interference(ISI) as well as additive noise. 克服短波信道的时变特性,以及符号间干扰(ISI)和噪声的影响成为提高短波通信数据通过率的一个重要内容。
- A DSP-based real-time HF channel simulator 基于DSP的话音带宽短波信道模拟器
- HF channel evaluation and selective call system 高频信道鉴定和选呼系统
- hf channel evaluation and selective call 高频信道鉴定和选呼系统
- A Real-time HF Channel Simulator Based on Watterson Mode 一种话音带宽的短波信道模拟器的设计与实现
- Analysis and improvement on DC wave recording in HF channel 高频通道直流录波的分析及改进
- Performance Analysis of Voice Quality Measurement on HF Channel 基于军标的短波信道语音质量估计算法性能分析
- He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
- Ferryboats ply across the English Channel. 渡船定期往返于英吉利海峡。
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- A 2400b/s serial data--transmission MODEM for HF channels 2400b/s短波串行数传MODEM
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- Once he swam the English Channel. 他有一次横渡了英吉利海峡。
- Ships must follow the channel into the port. 船只必须沿航道进入港口。
- The channel of the river filled up with mud. 河道塞满了泥。
- HF has a pungent odor. It is extremely corrosive. HF有一种刺激性气味。它是极强的腐蚀剂。
