2) seismic data
地震信号
1.
Conventional de-noising methods by threshold filter in wavelet domain do not utilize the correlations of seismic data to remove random noises.
常规小波域阈值去噪方法未能充分利用地震信号相关性的特点进行去噪 ,只能去除地震信号中部分随机噪声 ,为此提出了一种小波域分时分频相关结合阈值去噪处理方法。
2.
The application of WT approach to seismic data processing has bright future,and hence further research into this field is of great value.
小波变换方法由于具有同时在时间域与频率域分析的特点,在信号的分析处理方面得到了广泛的应用,将其应用于地震信号噪声的处理,有着更好的应用前景和研究价值。
3.
The effect of using conventional KL transform to remove strong energy random noises of seismic data is not very good.
常规KL变换对于具有强随机噪声的地震信号处理效果不佳 ,本文提出一种将小波变换和KL变换结合使用的去噪处理新方法。
3) signal grounding
信号接地
1.
The grounding of automatic instrument system includes mainly protective grounding,signal grounding,shield grounding,intrinsic safety system grounding,electrostatic grounding and lightening stroke-proof grounding.
自动化仪表系统的接地主要有保护接地、信号接地、屏蔽接地、本质安全型系统接地、防静电接地、防雷接地等,相关规范对各种接地的要求也不尽相同。
2.
Signal grounding in electromagnetic compatibility aims to solve signal disturbance,the four ways of signal grounding and decoupling methods of ground loop and subsystem are introduced,and takes the grounding system of electric fast transients immunity test as an example,the solutions to reduce and restrain the disturbance in ground loops are put forward.
电磁兼容信号接地是为解决信号干扰问题,介绍了信号接地的四种方式以及地环路和子系统去耦解决方法,以电快速瞬变脉冲群抗扰度试验的接地系统为例,论述了减小和抑制接地回路干扰的方法。
4) ground signal
地面信号
1.
It was developed a simulation interface circuit for locomotive monitoring equipment, by sending simulated train speed signal, diesel engine rotation signal, working states of locomotive and ground signals to the locomotive monitoring equipment, implemented it to be used in the train driving simulator, the interface could also be used to test the LKJ-2000 monitoring Equipment’ s working condition.
研制一套列车监控装置的仿真接口电路,通过发送模拟机车速度信号、柴油机转速信号、机车工况信号以及地面信号给列车监控装置,实现列车模拟操纵培训装置与列车监控装置的联接,仿真接口也可以用来离线检测LKJ—2000型列车运行监控记录装置。
5) Geomagnetic signal
地磁信号
1.
Aimed at the poor geomagnetic signal with a big interference noise measured in the MR/GPS guidance system, the wavelet filter is designed by the wavelet analysis method.
针对MR/GPS制导火箭弹测量的地磁信号较弱、附加干扰噪声大的特点,运用小波分析的方法,设计了小波滤波器。
2.
In order to get flight attitude angles of trajectory correction projectile by geomagnetic sensors,geomagnetic field altitude and its abnormal distribution,the interference of magnetic field of the projectile body and the system noise were analyzed as well as the effect of them on geomagnetic signal.
为了利用地磁传感器获取弹道修正弹的飞行姿态角,分析了磁场高度、地磁异常、弹体磁场干扰和系统噪声及其对地磁信号的影响情况,提出了相应的抗干扰措施。
6) seismic-electrical signals
地电信号
1.
Automatic collecting and analyzing of seismic-electrical signals;
地电信号的自动采集及信号的初步分析
补充资料：《清代地震档案史料》
中国档案汇编。国家档案局明清档案馆编，中华书局1959年出版。全一册，平装，15万余字。收入汉文或满文奏折160件。依省区分别编列,每个省区下之文件以具文时间先后为序。所辑文件除个别内容与地震问题无直接关系者酌予删节外，均全文公布，由编者加拟标题，并于标题下注明文件的朝年月日。涉及的地区范围包括直隶(今河北省)、奉天(今辽宁省)、安徽、山东、山西、河南、陕西、甘肃、四川、台湾、 广东、广西、 云南、新疆、青海、西藏等16个省区, 时间从雍正十三年(1735)到宣统三年(1911), 记录了各地区在这一时期内发生地震的次数、时间、波及区域、受灾程度以及善后措施等具体情况。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条