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1·In microwave circuit and aerial system, impedance matching is very important.

在微波电路和天线系统中，阻抗匹配是十分重要的问题。

2·This paper gives a method to evaluate the quality of the impedance-matching experiments by the relation between standard and unknown materials shock wave velocities.

介绍了用标准材料与待测材料的冲击波速度的关系评价阻抗匹配实验质量的一种方法。

3·Utilizing the field matching method, we present an analytic formula for calculating the characteristic impedance of rectangular coaxial transmission lines.

本文提出全矩形线特性阻抗的一个新计算方法，即利用场匹配法导出特性阻抗的闭合式解。

4·I have studied the impedance-matching of RF transmission line between the antenna and the GPS module.

重点分析介绍研究了GPS天线到接收模块GPS信号输入端之间射频传输线的阻抗匹配问题。

5·The antenna was optimized in order to wide bandwidth and impedance matching.

为实现展宽频带、阻抗匹配等要求，对该移动终端天线进行了优化设计。

6·Impedance matching optimization is realized and electronic characteristics are improved.

实现了阻抗匹配最佳化，改进了电特性。

7·How you do it depends on what your requirements are for differential impedance, length (propagation time) matching and exact application.

如何做，取决于您对差分阻抗，长度(传播时间)匹配和精确应用的要求。

8·In this paper a new impedance matching network design method is introduced and is compared with the traditional tunning network method.

本文介绍了一种新的阻抗匹配网络设计方法，并与传统的调谐网络设计法作了比较。

9·The ortho-mode transducer adopts the design idea of square waveguide stepped impedance matching and waveguide slot coupling.

正交模转换器采用方波导阶梯阻抗匹配与波导缝隙耦合的设计思想。

10·Through dynamic impedance matching by kernal control circuit based on C8051F020 and AD9832, the maximum output of ultrasound power is produced.

方法：基于C8051F 020和AD 9832的核心控制电路通过动态阻抗匹配法使系统输出最大超声波功率。