轮廓调制结合了一种相位调制信号的波形和放大器的输出阻抗，可在某个较大型输出电源关闭后保持更高的效率。

Contour modulation is a technique in which a phase-modulated signal waveform and amplifier output impedance work together to maintain higher efficiency over a sizable output power back-off.

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进而结合实际的天线结构，运用矩量法计算了金属盒大小对天线阻抗和方向图的影响。

Then the impacts of metal case size on the input impedances and patterns of antennas are discussed with the moment method.

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本文将保角变换法与点匹配法结合起来，得到了一种计算同轴线特性阻抗的方法。

Based on conformal transform method and point matching method, a method to calculate the coaxal line characteristic resistance is presented.

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