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System and method for very low frequency detection of an event signature
System and method for very low frequency detection of an event signature
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机译:用于事件签名的非常低频检测的系统和方法
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摘要
A system includes a very low frequency (VLF) antenna connected to a circuit that has a high pass filter and a low pass filter. The circuit is configured for noise reduction and frequency localization of detected VLF signals. A receiver is configured to receive filtered VLF signals output by the circuit and to separate desired signals for processing. A display is configured to provide a user with visual feedback based at least in part on an even signature extracted by a digital signal processor (DSP).
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