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channel repetition frequency 信道重复频率
The influence of pulse repetition frequency(PRF)on BER performance of ultrawide bandwidth(UWB)systems with THSS and PPM in dense multipath fading channel is firstly analytically investigated in this paper. 首次研究分析脉冲重复频率(PRF)对密集多径衰减信道下采用 THSS 和 PPM 的 UWB 系统 BER 性能的影响。
The maximum average power is 444 mW with an efficiency of 0.05% at the pulse repetition frequency of 18.2 KHz. 在重复率18.;2千周时最大平均功率444毫瓦;效率0
The TDOA(time difference of arrival) ambiguity may occur in TDOA location with high PRF(pulse repetition frequency). 时差定位对于高重频雷达会产生时差模糊的现象。
The staggered pulse repetition frequency (PRF) is one of the most important methods to suppressing the blind speed. 可通过参差重频的方法减少盲速带来的影响。
Depolarization loss analysis of electro-optic crystal KDP heated by repetition frequency laser[J]. 引用该论文张君;张雄军;魏晓峰;吴登生;田晓琳;曹丁象;董军.
The detection probability calculating method about low pulse repetition frequency(LPRF) PD radar against air vehicle is studied. 提出了低脉冲重复频率(LPRF)PD雷达探测飞行器目标的发现概率计算方法。
Analyses of azimuth resolution,range migration,and factors of seleting pulse repetition frequency in spaceborne SAR are presented. 本文详细分析了高分辨率星载SAR的方位分辨率、距离徙动效应以及影响脉冲重复频率选择的因素。
The problems of frequency ambiguity and blind frequency band are discussed for a pulse repetition frequency (PRF) Doppler radar in this paper. 针对脉冲多普勒雷达中的速度遮挡问题，提出了基于频域跳盲的PRF组合选择准则及其跳盲方法；
It is concluded that MDV is determined by the clutter power spectrum spread and the rank of MTI filter, not by the pulse repetition frequency. 得出的结论是：MDV由杂波功率谱宽度和MTI滤波器阶数决定，与脉冲重复频率无关。
Abstract: Analyses of azimuth resolution,range migration,and factors of seleting pulse repetition frequency in spaceborne SAR are presented. 文摘:本文详细分析了高分辨率星载SAR的方位分辨率、距离徙动效应以及影响脉冲重复频率选择的因素。
The paper discusses the method of selecting multiple pulse repetition frequency (PRF) sets for use in medium PRF pulse-Doppler instrumentation radar. 摘要针对一部中重脉冲多普勒测量雷达的脉冲重复频率设计问题，提出在系统不同工作阶段采取不同PRF组来解决问题的设计方法。
Abstract: Temperature and thermal stress distributions in the KDP, heated by repetition frequency laser, are given by means of finite element methods. 摘要：基于有限元数值方法，给出电光晶体KDP在高平均功率激光负载下温度场分布和应力场分布。
A new target-tracking algorithm was proposed for airborne fire control radar operating with high pulse repetition frequency(HPRF) in frequency-modulated ranging(FMR) mode. 通过多假设的方法,把机载火控雷达高重复频率线性调频测距模式下的目标距离估计和模糊分辨问题转变为静态多模型估计和判决问题。
This paper analyzes the reason why the FMCW signal determined with high sweep repetition frequency (HSRF) generates high range sidelobes in deramping processing. 本文分析了高扫频重复频率的确定截断FMCW信号在去斜率方式下处理高速运动目标时产生较高的距离旁瓣的主要原因。
As users increase and the bandwidth to pulse repetition frequency(PRF) decreases in UWB-MA communication,multiple-access interference(MAI) is expected to adversely affect system capacity and performance. 在超宽带(UWB)通信系统里;当用户数增加和脉冲重复频率下降时;多址干扰会严重影响系统容量和性能.
SAR with Displaced Phase Centers multibeam in Azimuth (DPCA) can solve the confliction between swath width and resolution, but this mode is one Pulse Repetition Frequency (PRF) restriction. 方位向多相位中心多波束(DPCA)SAR可以解决测绘带宽和分辨率之间的矛盾,但严格限制了对脉冲重复频率(PRF)的选择。
He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
Ferryboats ply across the English Channel. 渡船定期往返于英吉利海峡。
The story loses a great deal in repetition. 这个故事由于反复讲述而大为减色了。

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