Stimulated Raman Scattering and Its Suppression in a Single-mode Fiber Induced by High-power Nanosecond Optical Pulse 高功率纳秒光脉冲在单模光纤中的受激喇曼散射及抑制研究
Methods: A suppression method based on coded pulse technique is presented. 方法:提出一种基于编码脉冲技术的组织谐波抑制方法。
Experimental investigation on DC flow suppression and refrigeration characteristics of a high-performance single-stage GM-type pulse tube cooler has been undertaken. 从直流抑制角度出发,开展了高性能G-M型单级脉管制冷机的研究。
Analysis of The Interference Suppression Ability of Filter Group in The Pulse Doppler Radar 脉冲多普勒雷达滤波器组对干扰抑制能力分析
Suppression and Blanking of pulse jamming 脉冲干扰抑制和匿影
Additionally, Multi-Pulse Suppression ensures alternating output pulses at low duty cycles where pulse skipping may occur. 此外,多脉冲抑制交替,确保在低占空比脉冲跳跃的地方可能会出现输出脉冲。
Objective: In order to suppress tissue harmonic in contrast harmonic imaging, a suppression method based on coded pulse technique is explored. 目的:为有效地抑制造影谐波成像中组织谐波的影响,探求一种基于编码脉冲技术的抑制方法。
Discusses the effect of the suppression interference when pulse repeated frequency is higher. 分析了提高脉冲重复频率对干扰的抑制性能。
A method used in pulse compression technology for side lobe suppression of one kind of new pulse compression radar signal obtained by combining chirp waveform with binary pseudorandom sequence is discussed. 报导了一类由二相编码信号与线性调频信号组合而成的新的脉冲压缩信号以及其旁瓣抑制方法。
The analytical solutions of Bloch equations and their application in solvent peak suppression and shaped pulse design Bloch方程的解析解及其在水峰抑制和特形脉冲设计中的应用
Comprehension of the propagation characteristic of pulse within single machine power network means lot to suppression of pulse shaped noise in on line monitoring of insulation condition. 了解脉冲型噪声在单元机组网络中的传播规律,是汽轮发电机局部放电在线监测中实现这类噪声抑制的前提。
Based on researching binary-coded range side-lobe suppression problem for radar pulse compressed signal, the radial basis function ( RBF) neural network was optimized with the improved evolutionary planning algorithm ( IEPA), a new algorithm based on the improved evolutionary planning algorithm was presented. 在研究雷达脉冲压缩信号中的二相编码距离旁瓣压缩问题基础上,采用改进的进化规划算法优化径向基函数网络,提出了一种基于改进进化规划算法的计算方法。
Side-lobe suppression of one kind of new pulse compression signal 一类新的脉冲压缩信号的旁瓣抑制
Polarization suppression of angle cheating interference in pulse Doppler radar seeker 脉冲多普勒雷达导引头角欺骗干扰的极化抑制
Experimental Investigation on Mechanism and Suppression of Pulse Combustion 脉动燃烧机理和抑制的初步研究
Identification and suppression of periodical pulse interference is very important for realization of partial discharge ( PD) on-line measurement. 识别并抑制周期性脉冲干扰是局部放电在线监测的重要环节。
The paper presents a noise suppression scheme characterized by grouping PD pulse and interference pulse into different sets, and then extracting smeared PD signals in on-line partial discharge monitoring systems. 根据大型电气设备局部放电脉冲和干扰脉冲的信号特征差异,对相似脉冲进行分组,进而达到提取局部放电信号的目的。
In this paper, a method used in pulse compression technology for side-lobe suppression of pulse compression is presented. 给出了一种在脉冲压缩技术中实现低的压缩脉冲距离旁瓣的方法,由希望的压缩脉冲波形来设计加权滤波器。
In the research of time side-lobe suppression for pulse compression, a method designing mismatch network according to the desire waveform of compression pulse is proposed. 在时间旁瓣抑制研究中,提出了由希望的压缩脉冲信号波形,设计加权网络。
A Method for Side-Lobe Suppression of Pulse Compression Signal 一种脉冲压缩信号旁瓣抑制方法
In this paper, using digital frequency-domain processing techniques, a new frequency domain design method of digital filter ( SSF) based on the ideal wave of compression pulse is described, and the qualification for side-lobe suppression of pulse compression signal is educed. 该文根据线性调频信号的频谱结构,采用频域数字处理技术,提出了一种新的基于理想压缩脉冲的频域滤波器(SSF)设计方法,导出了可实现低的压缩脉冲距离旁瓣的条件。
The simulation results have validated that the proposed method is correct and effective in suppression of the stochastic pulse interference. 大量实际数据的训练和分析结果表明,该算法在抑制局放随机脉冲干扰上是比较有效的。
A Comparison of the Performances of Several Sidelobe Suppression Filters for Barker Coded Pulse Compression 巴克码脉冲压缩旁瓣抑制滤波器性能比较
The variation of pulsewidth, optical side-mode suppression ratio ( SMSR) of the generated pulse train in dependence of the average injection power is also investigated. 同时实验研究了光脉冲宽度、边模抑制比及时间抖动与注入脉冲平均功率的关系。
Application of PSO Based Neural Network in Suppression of Stochastic Pulse Interference for Partial Discharge Monitoring in Large Generators 用PSO算法训练神经网络抑制发电机局放随机脉冲干扰
Neural Network-Based Sidelobe Suppression for LFM-Barker Signal Pulse Compression LFM-Barker信号脉压处理中基于NN的旁瓣抑制
This essay focuses on several method of sidelobe suppression. Firstly, the pulse compression signal through the mismatch processing window function achieves the effect of sidelobe suppression. Compared the performance of several window functions and combined with simulation analyzed. 首先,通过对于脉冲压缩信号经过窗函数进行失配处理,来达到了旁瓣抑制的效果,对比了几种窗函数的性能,并结合仿真进行了分析。
This dissertation studies the ground clutter suppression of ABSR. Because low pulse repetition frequency ( LPRF) and low side-lobe antenna are adopted, we focus on main-lobe clutter suppression. 本文主要研究机载战场侦察雷达的地杂波抑制,由于采用了低脉冲重复频率和低副瓣天线,我们主要考虑主杂波的抑制。
Experiments show that comparing with the traditional Fourier analysis filtering, wavelet analysis effects are better in terms of noise suppression. ( 3) Pulse signals were transformed from time-domain into frequency domain based on FFT and Welch methods. 实验证明,对比传统的傅里叶分析滤波方法,小波分析滤波在抑制噪声方面有更好的去噪效果。