Respiration rate signal extraction from heart rate
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There is an ongoing need for more sensitive sensors and instrumentation to monitor parameters of human physiological functions. Often it is desired that this measurement process be as non-intrusive as possible, thereby requiring lightweight, high performance sensors and data acquisition systems. In the current application it is desired to measure and extract as much information from a single non-intrusive sensor as possible to avoid encumbering mission personnel with motion-inhibiting harnesses. One particular signal processing task of interest is extraction of respiration information by analysis of heart rate. Thus, signal- processing algorithms are described which perform this task using communication, non-uniform sampling, and spectrum analysis techniques.
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