查询词典 field strength

Fluxgate sensors have the second harmonic voltage amplitude with the magnetic field strength is proportional to the adoption of second harmonic filter through phase-sensitive detector rectifier, to achieve full-wave rectifier, low-pass filter in through the phase-sensitive detector after the second harmonic into a smooth DC signal, on the one hand to the back of the circuit, on the one hand, the magnetic flux through the door to feedback regulation, the opposite magnetic field generated with the measured magnetic field, so that the work has always been zero fluxgate magnetic field, thus ensuring the most high-precision fluxgate.

磁通门传感器产生的二次谐波电压幅值与磁场强度成正比，二次谐波通过通过滤波器再通过相敏检波器整流，实现全波整流，在通过低通滤波器将相敏检波后的二次谐波转化成平滑的直流信号，一方面送到后面的电路进行，一方面通过反馈调节送到磁通门中，产生与被测磁场相反的磁场，使磁通门始终工作零磁场下，从而保证磁通门的最高精度。关键词：磁通门磁力仪，相敏检波器，磁场

Owing to Gauss' theorem and superposition theorem of electric field strength,the electric field can be calculated in two different ways.This article expounds concisely and percisely the points which deserve attention in applying the two ways separately and clears up some wrong views.

文摘：静电场的问题可以采用高斯定理和场强叠加原理这两种不同途径求解，本文讨论了采用这两种不同途径求解时分别应注意的事项，并澄清了一些错误的认识。

Owing to Gauss' theorem and superposition theorem of electric field strength,the electric field can be calculated in two different ways.This article expounds concisely and percisely the points which deserve attention in applying the two ways sep

文摘：静电场的问题可以采用高斯定理和场强叠加原理这两种不同途径求解，本文讨论了采用这两种不同途径求解时分别应注意的事项，并澄清了一些错误的认识。

The system consists of signal acquisition systems, signal processing, show circuit and control circuits, and other components, through the acquisition by Hall sensor voltage signal to the amplifier will signal amplification, and then in the A / D converter after the digital signal into the microcontroller , Through the SCM software programming by the magnetic field signal, the final adoption of LED display to the magnetic field strength.

该系统由信号采集系统、信号处理、显示电路和控制电路等组成，通过霍尔传感器采集得到电压信号，再经放大器将信号放大，然后在A/D转换后将数字信号送入单片机，通过单片机软件编程得到磁场信号，最后通过LED显示出磁场强度。

Maxwell's equations group in fact was already found in the basic experimental laws of electromagnetic phenomena, as well as a single magnetic pole does not exist on the facts and the integrated displacement current assumptions, using an international system of units, these equations can be written as: DivDW =ρ or DW =ρ(1) kiDivBq = 0 or Bq = 0 (2) kiCurlEBq =- Zt or × EqkZ =- BqZt (3) ZCurlHDWDW = jE Zt, or × HW = jE Zkt (4) Z-type in the Curl, and Div were vector operator curl and divergence, Micro-k points for the Hamiltonian operator, in the rectangular coordinate system,= iZZEkx jEy kqz, iE, jE, kq along Zx, y, z-axis unit vector, a vector for any AW are × AW = CurlAW, kAW = DivAW; DW for the electric displacement, Bq for the magnetic induction intensity, Eq, and HW, respectively i field and electric field strength, jY for the conduction current density,ρ the charge density for free.

麦克斯韦方程组实际上是当时已发现的电磁现象的基本实验定律以及单个磁极不存在的事实和位移电流假设的综合，采用国际单位制，这些方程式可写成：DivDW＝ρ或DW＝ρ（1）kiDivBq＝0或Bq＝0（2）kiCurlEBq＝－Zt或×EqkZ＝－BqZt（3）ZCurlHDWDW＝jE＋Zt或×HW＝jE＋Zkt（4）Z式中Curl和Div分别为矢量算符旋度和散度，为哈密顿微k分算符，在直角坐标系中，＝iZZEkx＋jEy＋kqz，iE，jE，kq是沿Zx、y、z轴的单位矢量，对任一矢量AW有×AW＝CurlAW，kAW＝DivAW；DW为电位移，Bq为磁感应强度，Eq和HW分别为电i场和磁场强度，jY为传导电流密度，ρ为自由电荷密度。

In order to verify the conclusions, need to design a uniform magnetic field strength devices, and can control the temperature of the magnetic field area. this combination of knowledge, we related knowledge, and design the magnetic field devices.

为了进一步验证理论推导的结论，需要设计一个强度可调的均匀磁场发生装置，并能控制磁场区的温度，本文结合相关知识，设计了实验所需的磁场发生装置。

The dependence of the field-induced diffraction properties on the magnetic field strength and the sample concentration is investigated.

以两种不同浓度的表面包覆型水基氧化铁磁性液体样品为例，定量地实验研究了其场诱导光衍射特性与外磁场强度和样品浓度的关系。

Magnetic field is physics of a very abstract concept, the magnetic field is a special kind of material, that is, see also touched, but it is an objective reality, and the use of magnetic sensors to detect magnetic field strength are very ancient history.

磁场是物理学中很抽象的一个概念，磁场是一种特殊的物质，即看不见也摸不着，但它是客观存在的，利用磁传感器进行磁场强度检测有极其古老的历史。本文利用半导体"霍尔效应"制作的霍尔

When the magnetic field direction is parallel to the Wilhelmy plate,the surface tension increases with increasing magnetic field strength.

当磁场方向平行于吊片时，表面张力随磁场强度的增加而增大；而当磁场方向垂直于吊片时，表面张力随磁场强度的变化不明显。

In order to explore the effect on DNA synthesis and DNA double-strand breaks by magnetic field, We chose a relatively simple uniform magnetic field, study the affect on DNA synthesis and DNA double-strand breaks by such magnetic field, conclused that this impact related to magnetic field strength.

为了研究磁场对DNA的合成速度和DNA双链断裂的影响，我们选择比较简单的均匀磁场，从理论上探讨了此种磁场对DNA合成速度和DNA断链的影响，得到其合成速度改变和双链断裂程度与磁场强度大小有关。

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。