微机采集与处理系统中P_i值的精度分析

Study on the Accuracy of Pi Measured by Acquisition and Processing System

作者根据大量试验结果,研究了微机采集与处理系统中平均指示压力P_i值的精度,并指出影响P_i 值精度的主要因素及其影响程度。

Based on the testing results,authors study tho accuracy of indicated mean effective pressure which is obtained by the aid of micro-computer acquisition and processing system, and aLso indicate the main factors and their degree of influence on mea- suring accuracy of P_i.