查询词典 geomagnetism

The MR element employed by the direction sensor is insufficient, because the geomagnetism is weak and the directivity complicated.

陈元受雇于风向传感器是不够的，因为地磁是弱者和方向性复杂。

Researches on terrain matching navigation, gravity assistant navigation and geomagnetism assistant navigation have been developed.

重力导航是基于图的导航，根据导航重力仪和导航精度要求的具体情况，寻求能够保证导航定位精度的重力图构建方法是实现重力导航的重要步骤。

Firstly, we introduced the method of correlation analysis of moving random pattern into Geomagnetism in order to overcome the weakness of available methods on westward drift studies.

首先，本文针对现有的研究西漂方法存在的不足，从无线电科学中引进了移动变形图案相关分析方法，并对该方法进行了检验和修正，使其能同时给出地磁场的漂移速度和强度变化系数。

In this paper, we extract the energy feature of the horizontal component of geomagnetism with wavelet packet analysis. Then we have investigated the variation of recognition rate at different time length t=1 h, and identified by use of Fisher's method.

应用小波包分析技术提取了地磁水平分量序列的能量特征，用Fisher方法进行识别，研究了磁暴与非磁暴的识别率在不同时间长度t下的变化规律。

Geomagnetism model ; explosion-height control ; feasibility ; error analysis

地磁模型；爆高控制；可行性；误差分析

A shell roll angle measuring system is designed based on geomagnetism measurement by taken MR as the magnetism measurement sensor.

选用MR作为磁测量元件，设计了基于地磁测量的弹体滚转角测量系统。

The detected results in common space condition, geomagnetism disturbance event, solar proton event, relationship with solar activity and particle change in long term were given, and relative analysis was made.

给出了空间环境宁静期、地磁扰动事件、太阳质子事件、与太阳活动的关系和粒子长期变化等探测结果，并进行了相应的分析。

Two geomagnetism pole drifts during the Holocene are recorded in northern part of the BSMA, occurring at 2800~3100 aBP and 7500~8200 aBP respectively.

北部记录着全新世期间发生的两次地磁极漂移，分别发生于2800~3100 aBP和7500~8200 aBP。

The sensitivity degree of correlation analysis methods to noises, the effect of matching length on correlation analysis methods, and the applicability of correlation analysis methods to geomagnetism matching algorithm for flying objects were discussed according to the simulation results, which would offer a reference for the selection of correlation analysis methods and form a base for further deep studies on matching algorithms.

根据仿真结果，讨论了各种相关分析方法对不同噪声的敏感程度、匹配长度变化对各种相关分析方法的影响以及各种相关分析方法对飞行器地磁匹配制导的适用性，为相关分析方法的选择和对匹配算法进行更深入的研究奠定了一定基础。

This paper reviews more than 20 coordinate systems commonly used in geomagnetism and space physics,discussing the basic design idea of coordinate systems and their relationship for understanding data organization and reference system choise.

实践告诉我们，同样一组资料，在一个坐标系中，可能看不出明显的规律性，但是，如果采用另一个适当的坐标系，就会显现出比较规律的分布。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。