群时延,Group delay
1)Group delay群时延
1.Research on the Effects of BPF Group Delay on the Performance of OFDM System;BPF群时延对OFDM接收机性能影响的研究
2.Analyse on measure technology for group delay of frequency conversion system变频系统群时延测量技术分析
英文短句/例句
1.group delay time群时延 -传输系统的
2.Research on the Effects of BPF Group Delay on the Performance of OFDM System;BPF群时延对OFDM接收机性能影响的研究
3.Analyzing the Effect Group Delay Characteristic on Baseband Signal Transmission群时延特性对基带信号传输的影响分析
4.The group delay and dispersion of whistler wave are mainly dependent on ionization density.哨声群时延和色散值主要决定于电离密度;
5.Study on Group Delay Characteristics of TDRSS Channel Based on Ground DBF基于星下DBF体制的TDRSS信道群时延特性的研究
6.Group delay induced instability and its suppression for a controlled-double pendulum群时延引起的受控小车二级摆失稳及其抑制
7.Research on Group Delay Measurement of Frequency-Translating Devices with Software Defined Radio Technology基于软件无线电技术的变频器件群时延测量方法的研究
8.Tuning Coupled Cascaded Bandpass Filter Using Mixed Method of Reflection Coefficient Phase and Group Delay反射系数相位与群时延混合法调谐耦合级联带通滤波器
9.New Measurement for Electromagnetic with the Differential Group Delay of Fiber Grating基于光纤光栅差分群时延的磁感应强度测量新方法
10.Design of SiGe HBT LNA Considering Group Delay and Wideband Matching兼顾群延时与宽带匹配的SiGe HBT LNA设计
11.The Research of Coordinating Control Method of Discipline Journal Groups;学科期刊群出版延时协调控制方法研究
12.Review of the Enlargement of the Mass Foundation of CPC in the Phase of Yan an;延安时期中国共产党扩大群众基础的历史考察
13.Abstract: this paper discusses group delay and phase delay of resonance loop as well as their application to TV technology.文摘:讨论了谐振回路的群延时与相延时以及它们在电视技术中的应用。
14.Some groups, as we have seen, have endured from the earliest known dawn of life to the present day.我们曾看到有的类群从已知的生命肇始时代一直延续到今天。
15.The Historical Experience of CPC on Behalf of the People s Interests during the Yan an Period;延安时期中国共产党代表人民群众利益的历史经验
16.ON MULTICAST ROUTING PROBLEM WITH DELAY CONSTRAINT BASED ON QUANTUM PARTICLE SWARM OPTIMIZATION基于量子粒子群算法的时延受限组播路由问题研究
17.Effect of HUANGGUAXIANG in modulate flora imbalance and prolong survival time of hydroperitonia mice黄瓜香等对调整腹水瘤小鼠肠道菌群并延长荷瘤生存时间的影响
18.Effect of prolonging time of first fermentation on monitoring result of coliform bacteria延长初发酵培养时间对大肠菌群检测结果的影响
相关短句/例句
group delay ripple群时延
1.It is demonstrated that the apodization sharpness parameter plays a more important role in the behavior of the mean dispersion,group delay ripple and some other spectral responses even than the type of apodization profile itself.75时,色散均值与理想色散之间的偏离量最小,群时延影响较小,反射带宽较大,且光栅长度较短。
2.The positive hyperbolic-tangent profile is taken for example and it will demonstrate that a proper selection of the apodization strength factor can effectively improve the results obtaining minimum deviation of the dispersion from the required value,maximum reflection bandwidth and minimumgroup delay ripple impact.以双曲正切函数为例,证明适当选择切趾强度参数,可以获得最小色散背离、最大的反射带宽和最小的群时延影响。
3)group delay群延时
1.this paper discussesgroup delay and phase delay of resonance loop as well as their application to TV technology.讨论了谐振回路的群延时与相延时以及它们在电视技术中的应用。
2.SAW transversal filters of 500 MHz central requency with smallgroup delay variation by adopting single phase unidirectional tranduders were fabricated, ZnO/IDT/Diamond structure was produced for high SAW velocity and was applied to a 5 GHz SAW filters fabrication.本文内容包括声表面波滤波器的基本理论和设计方法、制作工艺与测试方法、滤波器对电路性能的影响等方面的研究内容，并进行了声表面波滤波器和声表面波谐振器的设计、仿真、制作与测试，主要工作包括：采用单相单向换能器制作了低群延时波动的中心频率500 MHz的声表面波横向滤波器；采用ZnO/IDT/Diamond结构获得高的声表面波传播速度，制作并测试了中心频率5 GHz的声表面波横向滤波器。
3.Meanwhile,the effect of the serial inductance on thegroup delay of this LNA was discussed for optimizing LB.选用SiGe HBT作为电路的有源器件,利用基极串联电感LB与反馈支路、晶体管Miller效应所产生的寄生电容形成的T型匹配网络取得了输入阻抗的良好匹配,并就基极串联电感值对系统群延时的影响进行了讨论,优化LB以满足兼容群延时与宽带匹配的要求。
4)group delay(GD)群时延(GD)
5)differential group delay(DGD)群时延差
6)differential group delay群时延差
1.Through changing the parameters, many effects caused by the first-order polarization mode dispersion can be gotten, anddifferential group delay, pulse broadens and eye-diagrams in different syst.通过改变通信系统参数,研究一阶偏振模色散对不同通信系统的影响,分析在不同系统参数情况下的偏振模色散群时延差、信号脉冲展宽和信号眼图,并讨论了不同码型对偏振模色散的影响。
2.A new method is proposed to measure the output states of polarization of single mode fiber with a polarizer and an optical spectrum analyzer, thedifferential group delay (DGD) of polarization mode dispersion (PMD) can be acquired.提出利用检偏器和光谱仪同时测量单模光纤各个波长的输出偏振态 ,从而测量出偏振模色散群时延差 ,这种方法和传统方法相比 ,测量时间大为节省 ,降低了偏振模色散随时间变化而引起的测量误差 ,提高了测量精度。
延伸阅读
怀卢延让（时延让新及第）【诗文】：冥搜忍饥冻，嗟尔不能休。几叹不得力，到头还白头。姓名归紫府，妻子在沧洲。又是蝉声也，如今何处游。【注释】：【出处】：全唐诗：卷834-22
