magnetic variation

英 [mæɡˈnetɪk ˌveəriˈeɪʃn]

美 [mæɡˈnetɪk ˌveriˈeɪʃn]

偏(磁)差

电力

英英释义

noun

• the angle (at a particular location) between magnetic north and true north
  Synonym:magnetic declinationvariation

双语例句

• The perturbation effect of the earth's magnetic field on the variation of the semimajor axis and eccentricity of the orbit of a charged equatorial satellite is studied by using the method of the perturbation.
  本文利用摄动理论研究了带电的赤道卫星在地球磁场中做椭圆轨道运动时地磁摄动力对轨道半长径和偏心率的摄动影响。
• , By using x~ 2 test method, it is found that shallow shockes are under the influence of the motion of rising intersection of Lunar with 18. 6 years's cycle and sunspot magnetic variation period per 22 years.
  经χ~2检验可知。东北浅震受18.6年周的月球升交点运动和22年周的太阳黑子磁场交变影响较显著。
• The Effect Analysis of the Observed Diurnal Magnetic Variation from Multi-stations on the Accuracy of Marine Magnetic Survey
  多台站地磁日变观测数据对远海磁测精度的影响分析
• Based on the analysis of magnetic daily variation in two magnetic base stations, this paper puts forward a measure method of the equation of time between stations with correlation coefficient and reduces a calculating formula for correlation coefficient.
  通过对两站地磁日变数据的分析，提出了利用相关系数法解算地磁日变观测站间测量时差的方法，导出了地磁日变观测站间观测数据的相关系数计算公式。
• Magnetic data processing includes daily variation rectification, azimuth correction and normal field correction.
  磁力资料内业整理由日变校正、方位改正和正常场改正组成。
• The motion of magnetic domain walls and the variation of MAE intensity in grain-oriented 3% Si-steels acted on by applied tension and a magnetic field have been observed.
  本文观察了晶粒取向3%Si-Fe在外加拉应力和磁场作用下，磁畴壁的运动及声发射强度（MAE）变化的一些现象。
• Compass heading or compass course, before correction for magnetic deviation or magnetic variation.
  罗盘航向或罗盘航线。未修正磁偏转或磁变。
• This paper studies the relationship between magnetic conductance variation and fatigue life for ferromagnetic materials. A neural network model to predict the fatigue life is established, which can be used to evaluate fatigue and damage degree as well as the fatigue life for ferromagnetic materials.
  研究了铁磁材料在疲劳过程中磁导率的变化与疲劳寿命间的对应关系，建立了预测疲劳寿命的人工神经网络模型，它可用于估算材料的疲劳损伤程度，预测材料的疲劳寿命。
• The magnetic field distribution and parametric variation of DSPM motor is analyzed after load through simulated real currents.
  模拟了实际电流的换相过程，给出了电机带载后的磁场分布和参数变化规律。
• The possibility of accomplishing the automatic modification of magnetic variation in a simple way is analysed for the medium-range and short-range aircraft in our country.
  最后，针对国内中短程飞机的飞行特点，探讨了用简便方法实现磁偏角自动修正的可能性。