麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。
Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.
本文将讨论微型CMOS电视摄像机作为图像传感器在实时光电位移测量时的处理电路及性能分析。
This paper discusses the processing circuit and features of the CMOS miniature camera used as a graphic sensor in the real time photoelectric displacement measurement.
光电位移精密测量技术是现代测量技术中最基础也是最先进的精密测量技术。
Fine photoelectric displacement measurement technology is fundamental, however, the most advanced of modern fine measurement technology.
码盘、光栅盘是光电位移精密测量仪器和光栅计量测试设备中的核心元件。
Code disc or grating disc is the core component of photoelectric displacement precision measuring instrument and grating measuring equipment.
并得到了平衡问题的扇形板和扇形环板在两种边界条件下的位移、电势和磁势，应力、电位移和磁感应强度的三维精确解。
The three-dimensional exact solutions of the displacement, electric potential, magnetic potential, stress, electric displacement and magnetic induction of equilibrium problems are also obtained.
作为一种位移传感器，在许多领域取代了无接触式差动变压器和精密线绕电位器。
As a traveling sensor, It has taken the place, in many fields, of non contact differential transformer and precise wire wound potentiometers.
与不可导通电边界条件相比，导通裂纹表面的电位移强度因子比不可导通裂纹的电位移强度因子要小许多。
It is found that the electric displacement intensity factors for the permeable crack surface conditions are much smaller than the results for the impermeable crack surface conditions.
导出了作用在位错上的像力和刚性线夹杂表面剪应力和电位移的解析表达式。
The image force acting on the piezoelectric screw dislocation and the generalized stress on the surface of rigid line are calculated.
以最大能量释放率为启裂准则，结合PZT-5H压电陶瓷材料，分析了电位移载荷对裂纹启裂的作用效果。
The effects of the electric displacement loading on the crack initiation in a PZT-5H piezoelectric ceramic media were investigated by the theory of maximum energy release rate.
光电位置敏感探测器（PSD）已应用到非接触式高精度动态位移测量中。
The position sensitive detector(PSD) can be used for many types of precision and contactless dgmatic distance detection.
炮口振动位移测试传感器主要有电涡流位移传感器、CCD激光位移传感器、光电位移跟随器和激光测振仪等。
The sensors used for the muzzle vibration responses include the eddy current type, laser CCD type, photoelectricity type and so on.
结果还表明，电位移强度因子取决于材料常数和机械载荷，但与电载荷无关。
It is also found that the electric displacement intensity factor depends on both material properties and the mechanical loads, but not the electric loads.
针对现有的电位器拉线式水轮机导叶接力器位移变送装置中存在的接触不良、易磨损、输出信号不可靠的问题进行了分析。
A hydraulic turbine leaf of transmit water current relay machine displacement transmission device is designed based on the principles of capacitance sensor.
利用电场边界条件和费马原理证明电位移线在两种介质界面上的折射。
The paper is to prove the refraction on two kinds of medium interfaces of electric displacement line using the boundary condition of the electric field and Fermat Principle.
解答表明，夹杂内的电场强度和电位移为常量。
It is shown from the solution that the electric field strength and electric displacement in inclusion are all constant.
传统眼震图记录技术是通过皮肤电极引导微弱的角膜、视网膜电位差以间接地观测眼球运动位移参数。
The traditional electronystagmograph observes nystagmus indirectly by detecting slight potential difference between cornea and retina conducted by dermal electrodes.
采用显微动态散斑相关法来测量压电陶瓷的压电位移特性并标定其线性区间。
Dynamic speckle correlation method was presented to measure the piezoelectric ceramic characteristic curves and scale linear intervals in this paper.
将一类色散介质的介电常数写成有理分式函数形式，进而导出FDTD中电位移矢量D和电场强度E之间的关系，形成SO_FDTD方法。
The dielectric property of dispersive media is written as rational polynomial function, the relation between D and E is derived in time domain. It is named shift operator FDTD (SO-FDTD) method.
增量式光电位移传感器需辨向，一般给出的为硬件辨向电路。
The incremental photoelectric shift sensor needs to recognize direction, which is often done by the circuit of direction recognition with hardware.
最后，电位移强度因子和裂纹尖端的应力强度因子之间的关系可以得到。
Finally, the relations between electric displacement intensity factors and stress intensity factors at crack tips can be obtained.
利用该方法考察了不同结构尺寸、电位移与电场对解的影响。
The effects of different structural sizes and electric displacements on the solution are discussed.
的径向的电位移是半径的线性函数。
The radial electric displacement is a linear function with radius.
的径向的电位移是半径的线性函数。
The radial electric displacement is a linear function with radius.
应用推荐