在一个实施例中，基于使信道的峰均比(PAR)最小来决定最佳配置。
In one embodiment, an optimum configuration is determined based on minimizing Peak-to-Average ratio (PAR) of the channel.
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.
针对上述缺点，本文重点研究了OFDM系统中峰均比问题，从而对传输信号进行优化设计。
According to the problems methioned above, this dissertation focuses on PAPR reduction techniques for OFDM systems, so as to design the optimal transmission signal.
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.
在部分传输序列算法中为了能够获得最优的峰均比降低，必须对子块和旋转因子的数目进行搜索。
In order to obtain optimal PAPR reduction using the partial transmitted sequence, the total search for the number of sub-blocks and the rotation factors must be accomplished.
为了降低峰均比常用的是基带削峰的方法，而基带信号合成为中频信号后容易产生峰值再生的问题。
Always some PAPR reduction schemes are used on baseband, but if baseband signal combined to Intermediate Frequency (if), the peak may recur.
理论分析和仿真结果表明新算法能够有效降低传统算法的计算复杂度，且不会造成峰均比抑制性能的损失。
Theoretical analysis and simulation results show that the proposed method can effectively reduce the computational complexity without loss of PAPR reduction performance.
仿真结果表明，与削波技术和传统的压扩技术相比，门限压扩以较小的系统复杂度获得了峰均比性能的改善。
Simulation results show that compared with clipping and the traditional companding techniques, threshold-based companding scheme can effectively improve the performance of PAPR with low complexity.
仿真结果表明，在基于全光离散傅立叶反变换器的OFDM系统中也同样有对峰均比和光纤非线性效应的抑制作用。
Simulations also show similar PAPR reduction and fiber nonlinearity mitigation in optical inverse discrete Fourier transformer (OIDFT) based OFDM systems.
对于联合交织多址的OFDM系统，分析了交织多址OF DM信号的峰均比分布，并提出一种基于可变交织器设计的峰均比抑制方法。
For interleave division multiple access (IDMA) combined OFDM system, the PAPR of the transmitted signal is analyzed, and a PAPR reduction method based on variable interleaver designing is proposed.
限幅法是目前应用较为广泛的一类预畸变峰均比抑制算法，但其会引入额外的限幅噪声，从而对数据信号和导引符号造成干扰，恶化传输性能。
Clipping is a popular method to control the PAPR with distortions, but it introduces additional clipping noise, so as to distort the data and pilot symbols and degrade the system performance.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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).
结果发现，除了路比葡萄柚、尾张和金诺橘等3种愈伤组织变异较小，未出现第二个峰以外，有93.8%的基因型的愈伤组织的细胞均出现了DNA含量加倍的细胞。
The results showed that 93.8% out of forty-eight Citrus calli had double DNA content except that Ruby, Weizhang and Kinnow had little varied cells and did not show second peak.
结果发现，除了路比葡萄柚、尾张和金诺橘等3种愈伤组织变异较小，未出现第二个峰以外，有93.8%的基因型的愈伤组织的细胞均出现了DNA含量加倍的细胞。
The results showed that 93.8% out of forty-eight Citrus calli had double DNA content except that Ruby, Weizhang and Kinnow had little varied cells and did not show second peak.
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