查询词典 field coil

That is because the transmitter uses a large flat coil, placed over the heart, to generate the magnetic field that powers the receiver.

在心脏上方平置一个大线圈，传感器使线圈产生磁场，磁场为接受器供电。

Pedagogic education uses a book the referenced answer that give out is as follows:(Before 1) did not fall into divide evenly strong magnetic field when coil A, do exercise of free falling body.

教师教学用书》给出的参考答案如下：(1)当线圈A未落入匀强磁场前，做自由落体运动。

One of these testing methods, eddy current, has been widely used for metal thickness measuring because of its good sensitivity, high test speed , non-contact and other advantage. The principle of eddy current testing is that, when the test coil is close to the metal conductor with alternating current, the eddy current would be inducing in the conductor, and correspongdingly, the eddy current would affect the original magnetic field, the result is the coils impedance and inducing voltage changed.

其中涡流无损检测技术具有灵敏度高、检测速度快、非接触等特点而广泛应用于金属厚度检测，它的原理是当载有交变电流的检测线圈靠近金属导体时在导体中产生涡流，该涡流又影响原磁场，使得线圈的阻抗和感应电压发生变化，通过分析阻抗或感应电压的变化来获得被测导体的信息。

Because of the inductance of the coil, there is difference between the change of the real magnetic field and external scanning voltage.

由于电感的作用，真实的磁场变化与外源扫场波形有很大区别。

The results show that the intensity of magnetic field decreases with diameters and numbers of induction coil increasing.

结果表明：随着感应线圈直径的增大，最大磁场强度降低；随着锥度的增大，线圈中最大磁场强度降低；随着感应线圈匝数增加，线圈中的最大磁场强度增加。

By means of both experiments and calculation to the mathematical model, the relation between construction of induction coil and profile of magnetic field as well as the meniscus shape of melt were researched systematically.

采用实验与建立数学模型进行计算相结合的方法对感应圈构造与磁感应强度的分布以及熔体成型形状之间的相互关系进行了全面、系统的研究。

In this paper ,the precise-ly formula of magnetic induction of t he coil of rectangular carrying current by an point in space is obtained,and analyze the distributive properties by magnet field of the rectangle and the square.

本文精确导出了矩形载流线圈在空间任一点的磁感强度公式，并对长方形、正方形磁场分布的特点进行了一些分析。

The linear position sensors use emitter and receiver coil systems, precisely arranged on a printed circuit board, that are activated with a high frequency AC field and produce an inductive RLC circuit with the positioning element.

该线型位置传感器使用发射器和接收器线圈系统，精确地排列在一个印刷电路板上，它被一个高频交流电领域所激活，产生一个感应的RLC电路和定位元素。

The electromagnetic pressure produced by the counteract of magnetic field in coil and the eddy current in liquid metal is ma inly determined by the magnetic flux density on the surface and its dissipation in the liquid metal.

在分析液态金属电磁成形理论模型的基础上确认：作用在液态金属表面的电磁压力和加热密度主要取决于其表面上磁场的大小以及磁场在液态金属中的分布规律。

There is only one set of exciting coil, and the isochronous magnet field is mainly determined by the shape of magnet pole.

它沿半径方向只用一套线圈励磁，等时性磁场的建立完全由磁极形状决定。

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。