研究降低信号峰均功率比问题。
The article mainly research how to reduce the signal peak to average power ratio (PAPR).
提出一种峰均功率比抑制的相位扰动方法。
A scheme named Phase Scrambling is proposed for the suppression of PAPR.
本文着重研究了降低OFDM系统峰均功率比的方法。
The methods to lower the peak-to-average power ratio (PAPR) of OFDM system are researched in the essay.
提出了一种新的降低正交频分复用系统峰均功率比的方法。
A new method is proposed to reduce the peak-to-average power ratio of orthogonal frequency division multiplexing system.
正交频分复用(OFDM)系统的一个主要缺点是峰均功率比(PAPR)过高。
One of the major drawbacks of the OFDM system is the high peak-to-average power ration (PAPR).
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.
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。
As a simplest approach, traditional clipping method can reduce PAPR of OFDM signals, but it causes large unwanted out-of-band radiation.
利用编码技术，根据格雷互补序列和雷德密勒码具有低的峰均功率比的特性给出了具体的编码过程。
A coding scheme based on Golay Complementary sequences and Reed-Muller codes is proposed to reduce the PAPR.
与OFDM相比较，WMCM的基带调制时间复杂度降低，峰均功率比更优，对抗脉冲干扰的能力更强。
As it is to OFDM, WMCM has lower time complexity in baseband modulation, good PAPR distribution, and takes on more robust to pulse interference.
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。
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.
部分传输序列(PTS)是一种复杂度较高的减小正交频分复用(OFDM)系统峰均功率比(PAPR)的方法。
Partial transmit sequences (PTS) is a method with high complexity to reduce the Peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) system.
针对MC - CDMA系统的上行链路存在的峰均功率比问题，提出了一种降低峰均功率比的新的系统解决方案。
For the high Peak-to-Average Power Ratio (PAPR) problem existing in OFDM based MC-CDMA system uplink, this paper proposes a new system scheme as a solution to PAPR.
功率计经常用于手机生产测试，因为它能快速的测量峰值功率，平均功率，峰均比。
Power meters are often considered for mobile-telephone production testing, because they can quickly measure peak power, average power, and peak-to-average ratio.
功率计经常用于手机生产测试，因为它能快速的测量峰值功率，平均功率，峰均比。
Power meters are often considered for mobile-telephone production testing, because they can quickly measure peak power, average power, and peak-to-average ratio.
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