窄带噪声 meaning in Chinese
narrow band noise
narrow-band noise
narrowband noises
Examples
- For rfi and narrowband noise interferences , this dissertation studies notch filter and spectrum equilibrium and uses them to suppress narrow jammings in signal domain
对于rfi和窄带噪声干扰,本文研究了频域陷波和谱均衡两种方法,并将之应用到信号域来抑制窄带干扰。 - The efficiencies of all methods mentioned are validated by simulation experiments and the evaluation result shows that performances of njsidwpt on narrowband noise interferences suppression outperform other methods greatly
通过实验仿真验证了这些方法的有效性,评估参数结果进一步说明了njsidwpt在抑制窄带噪声干扰方面远优于其它的方法。 - This paper designs a measurement system and measures the main properties of power line practically . the characteristics of power line are analyzed in detail , and a power line channel model is presented which consists of the parametric transfer function model and the simulating model of background noise , narrow noise and impulse noise . simultaneously the simulating method on the computer is presented
本文设计了一个测量系统对实际电力线信道的主要特性进行了测量，详细分析了电力线的信号传输特性和噪声特性，给出了一个实用的室内电力线信道模型，包括参数化的传输函数模型以及背景噪声、窄带噪声和脉冲噪声的近似模型，并给出了计算机仿真实现方法。 - Frequency - domain equalization . at the same time discusses some key problems in ofdm : high ratio of peak - to - average power of output signals , problem of synchronization , channel estimation , adaptive bit , power and subcarrier allocation . emphasize on channel estimation , and present a new algorithm which can filtering more interpolation errors and noise . for the sake of improve the performance of resist narrowband noise and make efficient use of the spectrum apply malvar wavelet division
同时就ofdm系统中的一些关键问题如峰值平均功率比( papr )太高，同步问题，信道估计，信道、比特与功率必须动态分配进行了研究，着重研究了信道估计问题并提出一种改进的方法，能滤除更多的噪声分量和插值误差，提高系统的性能；为了提高抗窄带噪声的性能和提高信道利用率，用malvar小波变换实现了不等带宽分配。 - First , this paper research and analyze the feature of signal of pulse doppler radar , and the mathematic model of radar is constructed . the several interference methods that narrow - band suppressing interference , range deception interference and velocity deception interference are discussed . and interference ability is evaluated and simulated
研究和分析脉冲多普勒雷达信号特征，建立了该种雷达的数学模型，并讨论对脉冲多普勒雷达的窄带噪声压制式干扰、距离欺骗干扰、速度欺骗干扰等几种干扰样式，并进行干扰性能评估和仿真研究。