随机噪声干扰 meaning in Chinese
random noise interference
Examples
- Disserted the principle of computer simulation of signal source of random moving multi - target , the methods of simulating two and three dimesion locuses of moving multi - target and simulating the interference of random noise . introduced the file format of the output parameters , the technique of data transformation and the method of software realization
论述了机动多目标计算机仿真信号源的原理,模拟二维及三维机动多目标运动轨迹的方法以及模拟机动多目标在运动时所受到的各种随机噪声干扰的方法,给出了输出参数的文件格式及数据转换技术,并介绍了软件的实现方法。 - The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition , including static correction and noise eliminating technique etc , 2 ) broadening the frequency band of pre - stack seismic data , including amplitude compensation and pre - stack deconvolution etc , 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis , residual static correction and high - order nmo , raising " dead line of high frequency reflection " , and 4 ) identifying post stack effective reflection frequency band , enhancing dominant frequency and so on
主要包括:消除近地表因素对资料采集的影响,包括静校正和噪音压制技术等;叠前拓宽地震资料领带,包括振幅补偿和叠前反褶积技术等;借助高精度速度分析、剩余静校正和高次项nmo技术,通过多次覆盖叠加,消除资料中随机噪声干扰、提高资料信噪比,尤其是高频端反射信息的信噪比,改善高频反射和弱反射信号信噪比,提高“高频反射死亡线” ;叠后有限反射颇带识别、抬高优势频率等。 - Two conclusions about suspending control system are given in this paper : 1 . the single suspending system controlled by parameter self - turning control algorithm has better performance when the mass of single point suspending system , the resistance of electromagnet and the suspending gap are variable ; 2 . the single suspending system controlled by global asymptotic stability control algorithm is global asymptotic stability and can restrain the stochastic noise
通过对采用上述控制算法的悬浮系统的理论分析和仿真研究,主要得到了以下几方面结论: 1 .当系统悬浮质量、电磁铁电阻和额定间隙参数变化时,设计的参数自校正控制算法可使系统的动态性能指标保持在设定的指标; 2 .设计的全局稳定控制算法,能够保证二级结构单点悬浮系统的全局渐近稳定,且对随机噪声干扰有一定的抑制作用。