English translation for "doppler spread"
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- 多普勒散布展宽
Related Translations:
doppler effect: 都卜勒位移都卜勒效应都普勒效应杜卜勒效应多普勒声光效应多普勒效应,例如红移或蓝移多普勒效应定向仪多普勒效应频移
- Example Sentences:
| 1. | And we utilize the relation of spectrum function and correlation function to give the way of estimating doppler spread width 进而通过matlab建立模型,验证了此方法,并对其中的几个参数进行了分析和讨论。 | | 2. | 2 . based on watterson model , this paper concentrates on the realization of doppler shift and doppler spread based on dsp 2 .针对watterson信道模型,着重研究了多普勒频移与多普勒扩展在dsp中的实现方法。 | | 3. | Real - time production of doppler shift with a minimum precision of 0 . 1 hz is realized by means of interpolation on the basis of lookup method ; simulation of doppler spread is realized by using the gaussian shaped fir filter and linear interpolation technique . 3 在查表法基础上结合内插技术,实现了最小精度为0 . 1hz的多普勒频移的实时产生;运用高斯型fir滤波器结合线性内插技术的方法,实现了多普勒扩展的仿真。 | | 4. | Estimation of doppler spread width which is equal to the maximal doppler frequency is an important way to calculate the velocity of the mobile equipment . the ways of estimating the frequency offset and doppler spread width in wcdma system are studied in this paper 准确地估计频偏进而进行频偏补偿可以使基带处理时的信号更加准确;准确地估计移动台的最大多普勒频偏,可用于估计移动台速度,进而用于切换预测等。 | | 5. | If the target has a radial acceleration , conventional 2d - fft based data processing method will lead to a doppler spread in doppler domain . the high resolution of doppler domain due to coherent integration no longer holds , which is very important in target detection of othr 常规的二维fft处理在处理机动目标时往往由于目标存在径向加速度而会在多普勒域造成多普勒扩展,从而无法应用相干积累带来的多普勒域的高分辨力完成对目标的检测。 | | 6. | These limit its application in ever - increasing communication demand . this thesis focuses on some technical difficulties encountered in the long distance wireless communication and tackles the task by applying ofdm ( orthogonal frequency - division multiplexing ) techniques in the communication system . this hence improves the overall communication system ' s performance by overcoming the effects such like multi - path fading and doppler spread in the frequency domain 本文主要从调制技术方面入手,针对无线远距离通信信道的一些问题,将正交频分复用( ofdm )技术应用于超短波无线远距离移动通信系统,克服了超短波无线远距离移动通信中所面临的多径衰落和多普勒频移等因素的影响。 | | 7. | Simulator presented in this paper provides a direct interface for the test of shortwave communication system , which well represents various features of hf channel such as multi - path delay , rayleigh fading , doppler shift , doppler spread , gaussian noise and impulsive interference , etc . in order to realize the channel simulation for the intermediate frequency signal , we , inspired by the idea of soft - defined radio , bring forward a new design method that the channel simulator consists of several dsp chips 本文研制的仿真器提供接口直接对短波通信系统进行测试,能够全面反映短波信道的多径时延、瑞利衰落、多普勒频移、多普勒扩展、高斯噪声和脉冲干扰等特性。为了实现对中频信号的信道仿真,开发出一个结合软件无线电思想的由多个数字信号处理芯片构成的短波信道物理仿真器。 | | 8. | Rtce is based on forecasting the inherent vulnerabilities to propagation of hf time - varying channel , including multipath delay , doppler spread , selective fading , interference , so this paper also introduces characteristics of hf channel in the beginning . familiar rtce systems all adopt envelope method that bello brought forward 实时选频技术是基于对短波电离层时变信道固有的不利于电波传播的各种因素,包括信道的多径展宽、多普勒展宽、选择性衰落、噪声干扰等的预测的基础上实现的,所以在开篇对短波信道的特点进行了详细的介绍。 | | 9. | The estimation of frequency offset is based on pilot symbols and non - pilot symbols . this paper also discusses some parameters in the method and gives the way of compensation . to get the estimation method of doppler spread width , we model the rayleigh channel based on the conclusion of gans ’ spectrum analysis based on clarke model 其中频偏估计采用一种基于导频符号和去极性非导频符的方法进行估计,并通过试验环境验证了此方法,并确定了这个方法中的参数的取值,在此基础上介绍了本系统中的频偏补偿方法。 |
- Similar Words:
- "doppler spectrum" English translation, "doppler spectrum analysis" English translation, "doppler spectrum analyzer" English translation, "doppler speed" English translation, "doppler speed log" English translation, "doppler system" English translation, "doppler system with double frequency" English translation, "doppler system with single frequency" English translation, "doppler technique" English translation, "doppler tissue energy" English translation
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