心電圖機(jī)幅頻特性檢定結(jié)果的分析

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【摘要】本文以心電圖機(jī)為檢定對(duì)象，以檢定項(xiàng)目幅頻特性為例，分析了測(cè)量數(shù)據(jù)是否存在異常值，并對(duì)測(cè)量不確定度進(jìn)行評(píng)定，以期為各位同仁的檢定工作提供指導(dǎo)和借鑒。

【關(guān)鍵詞】心電圖機(jī)；幅頻特性；異常值；測(cè)量不確定度評(píng)定

【DOI編碼】10.3969/j.issn.1674-4977.2023.06.010

Analysis of the Verification Results of Amplitude Frequency Characteristics of Electrocardiograph

LIU Yaxuan

（Gansu Provincial Metrological Testing and Verification Center， Pingliang 744000， China）

Abstract： In this paper， the ECG machine is taken as the verification object， and the amplitude-frequency characteristics of the verification items are taken as an example. It mainly analyzes whether there are abnormal values in the measurement data， and evaluates the measurement uncertainty， so as to provide guidance and reference for the verification work of colleagues.

Key words： electrocardiograph； amplitude-frequency characteristics； abnormal value； evaluation of measurement uncertainty

1幅頻特性的檢定意義

心電圖機(jī)接收到的信號(hào)頻率和輸出的信號(hào)幅度是一一對(duì)應(yīng)的，其輸出波形的振幅隨著輸入頻率的改變而改變。（剩余2499字）