OFDM (Orthogonal Frequency Division Multiplexing) is a new modulation technology, it is suitable to high-data-rate transmission in the wireless transfer channel with multi-path transmission.
正交频分复用(OFDM)是一种新型调制技术，特别适合在多径传播的无线移动信道中高速传输数据。
The transfer function of the power line networks is figured out using the multi-path model, the transmission matrix model and the multi conductor theory.
应用多径传输模型，传输矩阵模型以及多导体传输线理论导出了室内电力线网络和室外配电网络的传递函数。
Based on the theory of modulation and demodulation, a key technique to realize the real-time transmission of multi-path local signals has been studied, as well as according to circuit.
研究了采用调制与解调方法实现多路现场信号实时传输的关键技术，设计了相应的调制与解调电路，解决了多路现场信号实时传输过程中存在的问题。
Underground wireless signal transmission belongs to the transmission of limited space, and its multi-path effects are more serious.
井下无线信号的传输属于有限空间的信号传输，多径效应的影响是比较严重。
As an efficient data transmission technique, OFDM can resist multi-path fading and realize high data rate transmission.
作为一种高效的数据传输技术，正交频分复用(OFDM)技术具有良好的抗衰落能力，实现数据的高速传输。
Their main problem is the transmission will be the accumulation of noise and distortion from the spread of multi-path waves will decline would adversely affect the quality of audio transmission.
他们的主要问题是传输过程中会产生噪声和失真的积累，由电波多径传播会产生衰落，会严重影响音频的传输质量。
OFDM is a high transmission technology in the wireless propagation environment. It is fitted to transmit high-speed data in the wireless channel which has multi-path delay and Doppler frequency shift.
OFDM是一种无线传播环境下的高速传输技术，适合在多径传播和多普勒频移的无线信道中传输高速数据。
It has a good performance in dealing with multi-path disturbance and Inter Symbol Interference(ISI), it has been applied broadly in the transmission of high-speed data.
根据短波信道的特点，抗多径干扰是主要的一个议题，由多径效应引起的码间串扰严重影响了短波数据传输的质量，所以有效的消除码间串扰非常重要。
It has a good performance in dealing with multi-path disturbance and Inter Symbol Interference(ISI), it has been applied broadly in the transmission of high-speed data.
根据短波信道的特点，抗多径干扰是主要的一个议题，由多径效应引起的码间串扰严重影响了短波数据传输的质量，所以有效的消除码间串扰非常重要。
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