本文论述了子电测试技术在现代科学技术领域的重要性及其发展趋势和动向。

In this paper, the significance of electronic test and measurement technology in modern science and tendency for it's development are discussed.

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本文首先介绍了对称振子，天线基本电参数，天线阵原理，空间波传播理论等天线基本原理。

First this paper introduced the fundamental principle of antenna, such as dipole, fundamental electrical parameter, principle of antenna array, theory of space propagation, etc.

youdao

本文首先介绍了对称振子，天线基本电参数，天线阵原理，空间波传播理论等天线基本原理。

First this paper introduced the fundamental principle of antenna, such as dipole, fundamental electrical parameter, principle of antenna array, theory of space propagation, etc.

youdao