用扫频仪测量天线的输入阻抗时，在同轴传输线与天线间应按平衡—不平衡变换器。

When using frequency sweep meter to measure the input impedance of antenna, the balanced - unbalanced transformer must be connected between coaxial transmission line and antenna.

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如果用胶带将黑色屏蔽线固定到信号线路，则会减弱天线信号。

Reduced antenna signal if the black shielding lines are secured to the signal lines with adhesive tape.

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实验采用喇叭天线接收和电探针恻量两朴方法时微波功率迭行了恻量，微波颂率用波导色散线法迭行恻量。

The output power is measured by horn and electric probe and the frequency is measured by a wave-guide dispersion line.

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