Description: Goertzel basic algorithms in each sample immediately after processing, in each of the first N sub-samples to conduct a tone detection. In the use of FFT algorithms, we would like to be processed into a block of samples, but this does not mean that must block processing the data. Digital processing time is very short, so if an interrupt for each sample are present, then the digital processing is fully able to interrupt service routine (ISR) to complete. Or, if the system exists in sample buffer, you can continue to sample, and then batch.
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Goertzel基本算法.doc
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