As a simplest approach, traditional clipping method can reduce PAPR of OFDM signals, but it causes large unwanted out-of-band radiation.
传统的削波算法虽然能够简单有效地降低信号的峰均功率比，但是会带来较大的额外频谱增益。
A method and apparatus for transmitting and receiving high-bandwidth OFDM signals, while limiting the complexity of the OFDM signal processing is described.
描述了用于发送和接收高带宽ofdm信号而同时限制OFDM信号处理复杂性的方法和设备。
The effect of sample frequency offset on MIMO-OFDM signals is exploited. An amplitude weighted least squares estimation of sample frequency offset in MIMO-OFDM systems is presented.
本文分析了采样钟频率偏移对MIMO-OFDM系统接收信号的影响，提出了一种适用于MIMO-OFDM系统的采样钟频率偏移估计算法，即幅度加权最小平方估计法。
The paper first introduces the selected mapping method for the reduction of the peak-to-average power ratio of OFDM signals, and a method for improving SLM using m-sequence is put forward.
在研究用选择性映射降法降低OFDM系统峰均功率比的基础上，提出了用m序列对SLM方法进行改进。
Firstly, the basic structure and the application fields of OFDM is introduced, and then the reason of the mobile multipath channel's forming and its influence on signals is elaborated.
论文首先介绍OFDM的基本结构和OFDM 技术的应用领域，然后论述了移动通信中的多径信道成因对信号传播的影响。
And the method of DDWS (direct digital wave synthesis) is adopted to realize the signals of MFSK (multi-frequency shift keying) and OFDM (orthogonal frequency division multiplexing).
采用DDWS(直接数字合成)方法，产生了MFSK (m元频移键控)和OFDM(正交频分复用)两种水声通信信号。
Methods and apparatuses for Orthogonal Frequency-Division Multiplexing (OFDM) communication of non-OFDM radio signals are disclosed.
公开了用于非正交频分多路复用（OFDM）无线电信号的OFDM通信 的方法和装置。
The OFDM signal includes multiple symbols, each symbol having a plurality of closely- spaced, orthogonal data sub-carrier signals carrying data.
OFDM信号包括多个符号，每个符号具有多个携带数据的近间隔的正交数据子载波信号。
Though OFDM is an excellent broad band transmitting technique, it's weakness is fatal, that it is sensitive to error signals.
虽然OFDM是一种优良的宽带传输技术，但是它也存在致命的弱点，那就是它对误差比较敏感。
The principal drawback of the OFDM systems is that the Peak-to-Average envelope power Ratio (PAR) of its signals may be very high. A high PAR may cause many problems in system design.
OFDM的一个主要缺点是峰均功率比特别高，而高的峰均比会对系统的设计带来很多问题。
The principal drawback of the OFDM systems is that the Peak-to-Average envelope power Ratio (PAR) of its signals may be very high. A high PAR may cause many problems in system design.
OFDM的一个主要缺点是峰均功率比特别高，而高的峰均比会对系统的设计带来很多问题。
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