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Dual-frequency distortion predictions for the Cutler VLF array

机译:Cutler VLF阵列的双频失真预测

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The VLF transmitting system in Cutler, ME currently broadcasts at one frequency through a two-element antenna system. This study investigates simultaneous operation at 24.0 and 17.8 kHz. Detailed nonlinear PSPICE models were generated for the system including the amplifier triodes, saturable dynamic-tuning reactors, and the closely-coupled antenna elements. The predicted behavior is in close agreement with available observations. Upper limits are placed on harmonic content, >-59.8 dBc, and intermodulation distortion, >-78 dBc.
机译:Cutler中的VLF传输系统,我目前通过双元天线系统以一个频率播放。本研究调查了24.0和17.8 kHz的同时操作。为包括放大器三极管,可饱和动态调谐电抗器和紧密耦合的天线元件的系统产生了详细的非线性PSPICE模型。预测的行为与可用的观察结果密切一致。上限放置在谐波含量> -59.8dBc和互调失真,> -78dBc。

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