power ratio
英 [ˈpaʊə(r) ˈreɪʃiəʊ]
美 [ˈpaʊər ˈreɪʃioʊ]
网络 功率比; 能量比率; 功率系数
双语例句
- The Peak-Average Power Ratio Reduction Method Based on Statistic Companding for SC-FDMA Systems
SC-FDMA系统中基于统计压扩的峰均功率比减小方法 - The Research on Peak-to-Average Power Ratio Reduction in OFDM Systems
降低OFDM系统中的峰均功率比的研究 - Eyes Adjust the Relative Power Ratio of Positive and Negative Changes and Myopia Study on the Relationship between the Incidence
眼正负相对调节力比值变化与近视眼发病关系的研究 - However, OFDM is sensitive to synchronization error and channel estimation error and it has the weakness of the high Peak-to-Average Power Ratio ( PAPR) of the transmitted signal.
但是，OFDM不仅对于同步误差和信道估计误差非常敏感，而且还伴随发射信号高峰平比（PAPR）的缺点。 - Research on Reduction of Peak-to-Average Power Ratio in OFDM System
OFDM系统降低峰值平均功率比技术研究 - Peak-to-Average Power Ratio Reduction in MIMO-OFDM Systems Based on Decomposed Selected Mapping
基于分解选择映射的MIMO-OFDM系统峰均比降低算法 - Paper studies techniques to reduce peak-to-average power ratio ( PAPR) of space-time block code ( STBC) MIMO-OFDM, and simulations are done in MATLAB.
论文对空时分组码（STBC）MIMO-OFDM系统的峰均功率比（PAPR）问题进行研究，并利用MATLAB进行了仿真和验证。 - An improved method of concurrent-PTS for reducing peak-to-average power ratio of MIMO-OFDM signal
一种减小MIMO-OFDM信号峰均功率比的并行PTS改进方法 - Reducing Peak to Average Power Ratio Based on Low Complexity Companding Technique A Novel Scheme Based on Companding Transformation to Reduce PAPR in OFDM Systems
基于压扩变换的低复杂度PAPR降低技术研究一种降低OFDM系统峰均功率比的压扩变换方法 - Reduction of Peak-to-Average Power Ratio in MIMO-OFDM System Based on Copy Theory
基于复制理论降低MIMO-OFDM系统中的峰均比 - Phase pre-emphasis is theoretically studied and introduced to reduce peak-to-average power ratio ( PAPR) in optical orthogonal frequency division multiplexing ( OFDM) systems.
本文对相位预加重方法进行了理论研究，并将其用来抑制光OFDM系统中的峰均比。 - An Improved Algorithm for Peak-to-Average Power Ratio Reduction in MIMO-OFDM Systems
一种降低MIMO-OFDM信号峰平功率比的改进算法 - In this paper we discuss a block coding scheme for reduction of peak-to-average power ratio ( PAR) of an orthogonal frequency division multiplexing ( OFDM) system.
讨论了一种降低正交频分复用（OFDM）系统峰均比的分组编码方法。 - Wiener filtering algorithm for noise-signal power ratio based on particle swarm optimization
基于微粒群优化噪信功率比的维纳滤波算法 - PTS Peak to Average Power Ratio Reduction Algorithm Based on Cyclic Iteration
基于循环迭代的部分传输序列峰均比降低算法 - Reduction of Peak to Average Power Ratio of OFDM System Based on Amplitude Predistortion
基于幅度预矫正降低OFDM系统PAPR的方法 - In order to reduce the peak-average power ratio ( PAPR) of single carrier-frequency division multiple access ( SC-FDMA) system, a new method based on statistic companding was proposed.
为了减小单载波频分多址接入系统（SC-FDMA）的峰均功率比（PAPR），提出了基于统计压扩的新方法。 - PTS-Clipping algorithm for reducing the peak-to-average power ratio of OFDM systems
用于降低OFDM系统峰均功率比的PTS-Clipping联合算法 - Study of peak-to-average power ratio reduction method bases on OFDM of the differential recursive scheme
降低OFDM系统峰均功率比的差分回归法研究 - Research on Optimal PTS Algorithms for Reducing the Peak to Average Power Ratio
降低峰均比的PTS优化方法的研究 - 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.
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。 - The analysis of total energy system based on electricity and discusses the energy saving condition of combined heat and power by starting the critical heat power ratio of it.
利用电量法对总能系统进行分析，通过研究热电联产机组的临界热电比来判断热电联产总能系统是否节能。 - Research on Symbol Timing Synchronization and Peak-to-Average Power Ratio in Wavelet Packet Transform Based Multicarrier Modulation Communication System
小波包多载波通信系统的符号定时同步与峰均功率比问题研究 - With respect to the problem of high Peak-to-Average Power Ratio ( PAPR) of Orthogonal Frequency Division Multiplexing ( OFDM), an improved reducing PAPR method by reversed subcarriers is presented.
针对正交频分复用系统（OFDM）所具有的高峰均比问题，提出了一种改进的预留子载波降低OFDM系统峰均比功率的方法。 - Peak-to-average power ratio of orthogonal frequency division multiplexing signals is analyzed when the sampling rate is different.
在过采样条件下，分析了正交频分复用系统在不同采样率时，信号峰值平均功率比的统计特性。 - Its main disadvantages are sensitivity to synchronization errors and high peak-to-average power ratio ( PAPR).
它的主要缺点是对频率同步比较敏感，并且峰值平均功率比（PAPR）过高。 - Peak-to-Average Power Ratio Reduction and Channel Estimation are the two Key Technologies needed to solve.
降低峰均功率比和信道估计是该技术需要解决的两项关键技术。 - The new modulation has improved the transfer rate, while increasing the signal peak-to-average power ratio ( PAPR).
但新的调制方式在提高传输速率的同时也增大了信号的峰均值功率比（PAPR）。 - The estimation performance of channel power ratio is analyzed and verified by computer simulations.
对功率比的估计性能进行了分析，并通过仿真验证了性能分析的正确性。 - The choice of SC-FDMA in uplink was fuelled by its low peak-to-average power ratio ( PAPR).
上行选择SC-FDMA是由于其具有较低的峰均功率比（PAPR）。