诊断和分析工具提供经济数据和报告的基础上的机械状况，性能和振动的工业往复发动机，压缩机，和旋转设备。
Diagnostic and analysis tools provide economic data and reports based on the mechanical condition, performance and vibration of industrial reciprocating engines, compressors, and rotating equipment.
给出了用于发动机诊断的状态监测参数和性能评估参数；
Parameters of health monitoring and performance assessing have been given to diagnose engine.
并以此为基础运用气路分析原理，选取表征发动机性能参数变化的症兆变量和测量参数，建立了发动机故障诊断小偏差方程。
A fault diagnosis equation for the twin-spool mixed flow turbofan engine was established based on the simulation and gas path analysis.
实践证明这种基于遗传神经网络方法的故障诊断系统具有收敛速度快、推广性能强的特点，极大提高了发动机故障诊断系统的效率和准确性。
The convergence and generalization ability of the genetic and neural network system is improved remarkably and the accuracy and the efficiency of engine diagnosis system are added.
燃气涡轮发动机在航空、地面和舰船上有着广泛的应用，对其进行性能评估和故障诊断有着重大的现实意义。
Gas turbine engines are widely used in the fields of air, ground and ship, so it is much of importance to assess engine performance and diagnose its faults.
发动机故障诊断是根据有限的发动机性能参数的测量值在众多的可能发生但不一定发生的故障之中确定出故障的类别和程度。
The fault diagnosis problem is the resolving of a limited set of measurements in terms of a large set of possible but improbable malfunctions.
发动机故障诊断是根据有限的发动机性能参数的测量值在众多的可能发生但不一定发生的故障之中确定出故障的类别和程度。
The fault diagnosis problem is the resolving of a limited set of measurements in terms of a large set of possible but improbable malfunctions.
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