某型飞机试飞测试技术简论

Brief Introduction to the Test Techniques of a Certain Model of Aircraft Test Flight

论述了某型飞机 429总线测试原理；介绍了发动机转速测试方法和低通滤波电路设计特点及主、副油箱余油测量方法与计算公式；指出了测试电路总体设计，应考虑测试设备可编程性。

This paper describes the test principles of 429 data bus for a certain model of aircraft,and introduces the engine speed test methods and design characteristics of low－ pass filter circuit as well as the measurement methods and calculation formula of remaining fuel in the main and drop tanks,it points out that the programming ability of the testing equipment shall be considered in general design of the test circuit.