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。

youdao

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。

youdao

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。

youdao

Even with distributed elements of what appears t be a miniature LOG PERIODIC antenna will have some difficulties with proper impedance matching, ohmic losses and inductance issues to say the least.

FORBES: All-Aluminum iPhone In The Works?

Since most commercial (COTS) devices for the radio communications industry are normally 50 ohms intrinsic impedance, there will be problems with proper matching of the main power amplifier and the receiver front end.

FORBES: All-Aluminum iPhone In The Works?