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首页> 外文期刊>Romanian reports in physics >THE 42m ELECTRO-OPTIC MODULATOR AS A FREQUENCY TRANSMITTER AND AS A FREQUENCY DOUBLER
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THE 42m ELECTRO-OPTIC MODULATOR AS A FREQUENCY TRANSMITTER AND AS A FREQUENCY DOUBLER

机译:42m光电调制器,作为频率发送器和频率倍增器

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摘要

A theoretical and experimental analysis of two applications of the 42m electro-optic modulator is performed in the time and in the frequency domains. The analysis refers to the case of a harmonic electric input signal. The two applications are that of frequency transmitter, when the modulation is linear and the output signal has the same frequency as the modulating voltage, and that of frequency doubler, when the modulation is not linear but the output is a clean harmonic signal with twice the modulating frequency. Experimental recordings of the output signal and of its frequency spectrum are given, as function of the amplitude of the modulating voltage. The recordings are presented in comparison to some graphical representations of the output, resulting from the theoretical considerations. By means of a Bessel analysis, conditions for achieving single-frequency outputs are obtained.
机译:在时域和频域中对42m电光调制器的两种应用进行了理论和实验分析。该分析涉及谐波电输入信号的情况。两种应用是频率发送器,当调制是线性的并且输出信号具有与调制电压相同的频率时,以及频率加倍器的两种应用,当调制不是线性的但是输出是纯净谐波信号时,其频率是调制频率的两倍。调制频率。根据调制电压的幅度给出了输出信号及其频谱的实验记录。由于理论上的考虑,这些记录与输出的一些图形表示形式进行了比较。通过贝塞尔分析,可以获得实现单频输出的条件。

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