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power efficient
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  功率高效
     FQPSK Family——A Group of Spectrurm and Power Efficient Modulation
     FQPSK家族——一种频谱和功率高效的调制技术
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  功率高效率
     A high power efficient Eh6G dye laser pumped by a copper vapor laser was developed with longitudinally pumped geometry and jet stream on the basis of this theory.
     根据这个理论,设计了一台用铜蒸气激光泵浦的、具有纵向泵浦结构和喷流的高功率高效率若丹明6G染料激光器.
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  “power efficient”译为未确定词的双语例句
     A Novel area and power efficient VLSI architecture for 5-3 and 9-7 wavelet transform, based on the lifting schemes, is proposed.
     基于提升的小波变换算法,提出了一种新的功率面积有效的5-3和9-7小波变换的VLSI实现结构。
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     A New Power Efficient VLSI Architecture in MPEG2 Decoder
     低功耗MPEG2解码电路的新VLSI结构研究
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     Trellis-coded modulation (TCM) in 8-PSK scheme is more power efficient than uncoded QPSK in the case of perfect detection.
     理想相干检测时,8—PSK方式的格栅编码调制(TCM)与QPSK方式相比,可以得到较高的编码增益,且不会增加系统的所需带宽。
短句来源
     Trellis-coded modulation(TCM)in 8 phase-shift keying(8-PSK) scheme is more power efficient than uncoded quaternary phase- shift keying(QPSK)at the same spectral efficiency in the case of perfect coherent detection.
     在理想相干检测的情况下,8相相移键控(8-PSK)方式的网格编码调制(TCM)与QPSK方式相比,可以得到较高的编码功率增益,且不会增加系统所需的带宽.
短句来源
     Simulation Analysis on Power Efficient Simulation Analysis and Optimization of Dump-Truck Based on Cruise Software
     基于Cruise自卸车动力经济性仿真分析与优化
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  相似匹配句对
     power;
     权力 ;
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     the power;
     动力论;
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     Toward Efficient Speaking Power in English
     CLT在非英语专业硕士生英语口语教学中的应用研究
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     The Design of an Efficient Programmable DC Power
     一种高效程控直流电源设计
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     efficient teamwork;
     有效的团队合作;
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  power efficient
In this paper, new techniques are proposed, based on heuristic strategy, to minimize the number of switches required for the power efficient sub-array.
      
Power Efficient Sub-Array in Reconfigurable VLSI Meshes
      
Power Efficient Range Assignment for Symmetric Connectivity in Static Ad Hoc Wireless Networks
      
In this paper, we propose a reduced complexity and power efficient System-on-Chip (SoC) architecture for adaptive interference suppression in CDMA systems.
      
Actually, instead of the usual 32-bit floating-point format, it is power efficient to use a fixed-point format provided overflow and computation noise problems are solved.
      
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A theoretical prediction on the performance of the pulsed dye laser pumped by a copper vapor laser was given. A high power efficient Eh6G dye laser pumped by a copper vapor laser was developed with longitudinally pumped geometry and jet stream on the basis of this theory. Average ontpnt power of 0.86 W for the Bh6G dye was obtained. Its efficiency was 31%.

本文给出了铜蒸气激光泵浦的脉冲染料激光器性能的理论预测.根据这个理论,设计了一台用铜蒸气激光泵浦的、具有纵向泵浦结构和喷流的高功率高效率若丹明6G染料激光器.对若丹明6G染料,得到了0.86W的平均输出功率,效率为31%.

Trellis-coded modulation(TCM)in 8 phase-shift keying(8-PSK) scheme is more power efficient than uncoded quaternary phase- shift keying(QPSK)at the same spectral efficiency in the case of perfect coherent detection.However it seems that for the same signal-to-noise ratio(SNR)of phase reference,the sensitivity to phase offset for 8-PSK is more serious than for uncoded QPSK.To analyse the effect of imperfect coherent detection,the equivalent distances under some recovered carrier phase offsets are derived.Then...

Trellis-coded modulation(TCM)in 8 phase-shift keying(8-PSK) scheme is more power efficient than uncoded quaternary phase- shift keying(QPSK)at the same spectral efficiency in the case of perfect coherent detection.However it seems that for the same signal-to-noise ratio(SNR)of phase reference,the sensitivity to phase offset for 8-PSK is more serious than for uncoded QPSK.To analyse the effect of imperfect coherent detection,the equivalent distances under some recovered carrier phase offsets are derived.Then the conditional event error probability and it's upper bound with respect to recovered carrier phase offset are taken into account.The computing methods and results for the average event and bit error probabilities of the 4-state 2/3-TCM and uncoded QPSK schemes with noisy phase reference are given.

在理想相干检测的情况下,8相相移键控(8-PSK)方式的网格编码调制(TCM)与QPSK方式相比,可以得到较高的编码功率增益,且不会增加系统所需的带宽.然而,就相同的载噪比C/N,8-PSK方式对于相干载波相位偏移的灵敏度要比QPSK方式大得多,将会引入较多的误码.为了分析非理想相干检测的影响,首先导出相干载波相移θ时上述两系统信码判决间的等效距离.然后分别用系统模拟和解析方法求出在给定各种条件下的事件错误率及其上限.显然,编码功率增益将随相干载波相位偏移的上升而下降.最后给出在不同载噪比时上述两系统平均事件错误率和平均信息比特错误率的求解方法及其计算结果.从所得的计算结果中可以看出,要得到较高的TCM编码功率增益,降需要一对载噪比较高的相干载波.在一般情况下,这个条件较难满足.

Trellis-coded modulation (TCM) in 8-PSK scheme is more power efficient than uncoded QPSK in the case of perfect detection. However it seems that for the same signal-to-noise ratio (SNR) of phase reference, the sensitivity to phase offset for 8-PSK is more serious than for uncoded QPSK. To analyze the effect of imperfect coherent detection, the equivalent distances are derived. Then the conditional event error probability and its upper bound with respect to recoverd carrier phase offset are taken into account....

Trellis-coded modulation (TCM) in 8-PSK scheme is more power efficient than uncoded QPSK in the case of perfect detection. However it seems that for the same signal-to-noise ratio (SNR) of phase reference, the sensitivity to phase offset for 8-PSK is more serious than for uncoded QPSK. To analyze the effect of imperfect coherent detection, the equivalent distances are derived. Then the conditional event error probability and its upper bound with respect to recoverd carrier phase offset are taken into account. The results for the average event and bit error probabilities of the 4-state 2/3-TCM and uncoded QPSK schemes with noisy phase reference are given. It is shown by the results that very high values of phase reference SNR are required for the efficient implementation of TCM scheme.

理想相干检测时,8—PSK方式的格栅编码调制(TCM)与QPSK方式相比,可以得到较高的编码增益,且不会增加系统的所需带宽。然而就相同的载噪比C/N来讲,8—PSK方式对于相干载波相位偏移的灵敏度要比QPSK方式大得多。为了分析非理想相干检测的影响,首先导出相干载波相移θ时信码判决时的等效距离,然后求出在给定条件下的事件错误率及它们的上限。显然编码增益将随相干载波相位偏移的上升而下降。最后给出在不同载噪比时系统平均事件及比特错误率的求解方法及它们的计算结果。从所得的计算结果可以看出,要得到较高的TCM编码增益,将需要一对载噪比极高的相干载波。在一般情况下,这个条件较难满足。

 
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