spectral efficiency是什么意思

网络释义

用法例句

Effects of rolloff factor on resistance to time delay spread and spectral efficiency of adaptive QAM;

滚降系数对自适应QAM的抗时延扩展性能和频谱效率的影响

Asymptotic spectral efficiency of the multicarrier code division multiple access;

多载波码分多址的渐进频谱效率

Improvement in spectral efficiency of multiwavelength optical CDMA network;

多波长OCDMA系统频谱效率的改善

Study of spectrum efficiency in the third generation communication system;

第三代移动通信系统频谱效率的研究

Higher order harmonic components are reduced for spectrum efficiency improvement,with optimized waveform expressions.

推导了统一的正交二元偏移键控(UBSK)信号的功率谱密度表达式,去除了高次谐波,获得了基本波形的优化结果,提高了频谱效率。

,diamond sector and pentagonal sector) to improve the spectrum efficiency in the future OFDM-based mobile cellular system,particularly in the case of the uneven distribution of the traffic among cells/sectors.

为了提高未来基于OFDM的移动蜂窝系统的频谱效率,尤其在小区/扇区间流量不均匀的情况下,本文基于两种传统的扇区结构(菱形扇区和五边形扇区)提出一种分布式带宽借复用DBBR(Distributed Bandwidth Borrowing and Reusing)算法。

Resource allocation algorithm to improve frequency efficiency of low SNR OFDM systems

一种提高低信噪比OFDM系统频谱效率的资源分配算法

And the frequency efficiency of TD-SCDMA is very high.

TD-SCDMA系统采用了智能天线和联合检测技术,通常情况下,系统是码道受限的,具有很高的频谱效率。

Limited frequency resource becomes the leading factor to the improvement of system performance along with the development of mobile telecommunication, and how to improve the frequency efficiency is one of the pop topic in researching area.

随着移动通信的发展，有限的频谱资源是限制系统性能提高的主要因素，如何尽可能地提高频谱效率是长期以来的研究热点。

System simulation shows that the proposed strategy can achieve higher system throughput and spectrum utilization than two existing uniform power allocation schemes.

仿真结果表明,在认知无线电混合业务应用环境中,该方案可以兼顾不同业务速率终端传输速率的要求,为其分配比等功率分配方案更为合理的发射功率份额,提高了系统吞吐量和频谱利用效率。

Optimal Design of ACM Based on Average Spectral Efficiency

基于平均频谱效率的自适应编码调制优化设计

Resource allocation algorithm to improve frequency efficiency of low SNR OFDM systems

一种提高低信噪比OFDM系统频谱效率的资源分配算法

Spectrum efficiency of coordinating distributed antenna cellular systems

分布式天线小区协作通信系统下行链路频谱效率的研究

Frequency Spectra of GMI Effect for Amorphous Wires and GMI Magnetic Sensor with Voltage Controlled Oscillator Circuit

非晶丝GMI效应频率谱和锁相环电路磁场传感器

Frequency spectrum element, carrier frequency. Frequency type can be specified.

频谱元件，载波频率。可指定频率类型。

double frequency spectral density functio

双重频率谱密度函数

high resolution low frequency spectrum analyzer

高分辨率低频谱分析仪

high resolution LF frequency spectrum analyzer

高分辨率低频频谱分析仪

The Research of Freqency Assignment in Frequency Spectrum Management System;

电磁频谱管理中的频率分配技术研究

A comparison of spectral entropy and bispectral index for evaluating the equilibration rate constant of etomidate

频谱熵和双频指数用于测定依托咪酯血浆效应室平衡速率常数的比较

Compared Commonly Used Frequency Spectrum Parameter of Complex Impedance Model

常用的复电阻率频率谱参数模型对比

Analysis on the Spectral and Frequency-Transform Characteristics of 1~(st) and 2~(nd) Order FM Screening

一阶及二阶调频加网频谱特性及频率传递分析

field-effect HF power transistor

场效应高频功率晶体管

normalized percent frequency effect

归一化百分比频率效应

Stuty of double frequency efficiency of 1.064μm laser

1.064μm激光的倍频效率研究

This relation between the frequency and the field spectra was noted experimentally.

实验上已经发现频率和场频谱之间的这种关系。

Modulation-Free Laser Frequency Locking by AOM Shifted Cesium Sub-Doppler Spectra

声光偏频亚多普勒光谱无调制激光频率锁定

Mechanism of Biomechanic of Spectrum Main peak of Systolic Murmur;

心脏收缩期杂音频谱主峰频率的生物力学机理