In the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.

本文详细推导了用振幅调制激光为光源外差激光探针的信号光与参考光干涉光强表达式。

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It is chiefly characterized by increasing the amplitude and the duty cycle of the signal, and reducing the interference of the daylight with a special circuit.

其主要特点是通过特殊电路提高信号的幅度和占空比，同时抑制日光干扰。

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The passive interference in receiving station of amplitude modulation (AM) broadcasting from UHVAC transmission lines is mainly caused by towers.

特高压输电线路对调幅广播台站的无源干扰主要是由垂直杆塔引起的。

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So let's think of them a little bit more by graphing the amplitude of the wave, and seeing how we can have this constructive interference.

让我们把波的,振幅画出来考虑一下,我们怎么能得到这种相长干涉。

麻省理工公开课 - 化学原理课程节选

sa So we have 1 s a, and we're drawing this as having a positive amplitude, but since we have destructive interference we're going to draw 1 s b as having the opposite sign, so we have a plus and a minus in terms of signs.

我们有，我们把这画成一个正的振幅，但因为我们是相消干涉,我们把1sb画成相反的符号，所以我们有一正一负两个符号。

麻省理工公开课 - 化学原理课程节选