Biosignals are signals that can be measured directly from biological organisms. Examples of biosignals include the electrocardiogram (ECG; electrical signal associated with the heart), electromyogram (EMG; electrical signal associated with muscles), electroencephalogram (EEG; electrical signal associated with the brain), phonocardiogram (PCG; heart sounds), photoplethysmogram (PPG; changes in blood volume measured optically), and body temperature. These biosignals provide valuable information regarding the status and function of the body and can be used in various applications. ECG is used to monitor heart rate during athlete training and to diagnose and monitor cardiovascular conditions, such as atrial fibrillation, myocardial ischemia, and myocardial infarction [1]–[3]. It is also being explored for use in the security field as a replacement or augmentation of current biometric systems [4]. EMG is used in movement and gait analysis, rehabilitation medicine, and as a control signal for prosthetic devices [5]–[7]. EEG is used for brain-computer interfaces [8] and to detect the onset of epileptic seizures [9]. Conventionally, biosignals are measured by highly trained personnel in a controlled environment with short recordings. This helps to minimize signal contaminants and ensure sufficient quality of the measurements before analysis or interpretation.

中文翻译：

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心电图的自动生物信号质量分析

生物信号是可以直接从生物体中测量的信号。生物信号的示例包括心电图（ECG；与心脏相关的电信号），肌电图（EMG；与肌肉相关的电信号），脑电图（EEG；与大脑相关的电信号），心电图（PCG；心音），光电描记法（ PPG；以光学方式测量的血容量变化）和体温。这些生物信号提供有关身体状态和功能的有价值的信息，并且可以在各种应用中使用。心电图用于监测运动员训练期间的心率，以及诊断和监测心房颤动，心肌缺血和心肌梗死等心血管疾病[1] – [3]。还正在探索将其用于安全领域，以替代或增强当前的生物识别系统[4]。肌电图用于运动和步态分析，康复医学，并作为修复设备的控制信号[5] – [7]。脑电图用于脑机接口[8]，并检测癫痫发作的发作[9]。通常，生物信号是由训练有素的人员在受控环境中以短记录进行测量的。这有助于最大程度地减少信号污染物，并确保在分析或解释之前获得足够的测量质量。通常，生物信号是由训练有素的人员在受控环境中以短记录进行测量的。这有助于最大程度地减少信号污染物，并确保在分析或解释之前获得足够的测量质量。通常，生物信号是由训练有素的人员在受控环境中以短记录进行测量的。这有助于最大程度地减少信号污染物，并确保在分析或解释之前获得足够的测量质量。