地面试验是宇航研究和发展工作必不可少的一部分。虽然地面模拟试验并不能排除飞行试验的必要性,但它可以大大减少所需的飞行试验时间,缩短新系统的总研制时间。而最重要的是它可以显著地降低新系统服役准备的成本。地面模拟试验的主要优点是可以精密地控制飞行状态的许多变量,用综合仪表详尽地记录试验结果。由于它采用了较廉价的模型来代替飞行件,研究人员可以将试验件置于最佳、普通、最劣等各种工作条件下进行试验,可以进行长时间试验,也可以作重复循环试验。因 Ground tests are an essential part of aerospace research and development efforts. Although ground simulation tests do not preclude the need for flight testing, they greatly reduce the time required for flight testing and shorten the overall development time for the new system. And most importantly, it can significantly reduce the cost of preparing a new system for service. The main advantage of the ground-based simulation test is that many variables that allow precise control over the state of flight are recorded in detail and the test results are recorded in a comprehensive instrument. Because it uses a cheaper model instead of flying parts, researchers can test the test pieces under the best, normal, and worst working conditions for a long period of time or for repeated cycles. because