Dynamic pulse signal real-time detection system and detection method

Abstract

The invention relates to a dynamic pulse signal real-time detection system and a detection method. A laser photoelectric pulse sensor (1-1) converts a pulse signal into a current signal and outputs the current signal to a pulse signal conditioning circuit (1-2); an I / V (Current / Voltage) conversion circuit (2-1) converts the current signal to a voltage signal, and after being filtered by a high-pass filter (2-2) and a low-pass filter (2-3) and amplified by an amplifier (2-4), the voltage signal is outputted; an A / D (Analog / Digital) acquisition module (3-1) of a DSP (Digital Signal Processor) subsystem is used for sampling and sending data to a memory (3-1); and after the data is filtered by a harmonic notch filter (3-3) and a low-pass filter (3-4), when an audible and visual alarm (3-11) acts under the situation that the pulse frequency is abnormal, a help is turned to a specified object through a GSM module (3-13), and the relevant processing results are transmitted.

Description

technical field [0001] The present invention relates to signal detection and processing, more specifically to pulse signal collection, preprocessing, time domain and frequency domain analysis. It can be used for real-time detection and processing of human dynamic pulse signals. Background technique [0002] In recent years, with the continuous changes in people's lifestyle and diet structure, diseases such as hypertension and coronary heart disease have become common diseases, and the incidence rate has been increasing, especially cardiovascular disease has become a major disease that threatens human life. In order to avoid and alleviate the harm of these diseases to human health, many algorithms and systems have emerged, such as wearable ECG monitors, telemedicine monitoring systems, etc., and their appearance has brought good news to patients with cardiovascular diseases. Improve the flexibility and effectiveness of doctors in treating diseases. However, due to the rando...

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Problems solved by technology

[0003] At present, the portable pulse detection system mainly completes the signal acquisition and simple processing, and the algorithms such as signal filtering and feature extraction have certain difficulties in the application of the portable system due to the large amount of calculation and the complexity of the algorithm. Unable to realize real-time monitoring

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