侧板后掠角大小和整流罩位置变化时，对进气道的质量捕获、总压恢复系数和隔离段出口流场的均匀性等都有一定的影响。

Changes of sidewall sweep Angle and cowl position can influence inlet performance such as mass capture, total pressure recovery coefficient and uniformity of isolator exit flow field.

youdao

在以往的试验中，考虑到加热笼覆盖系数对热流密度均匀性的影响，通常选用红外灯阵作为主要的外热流模拟装置。

Infrared lamp arrays have long been adopted as primary simulation equipment of thermal flux, considering the effect of cover coefficient of infrared heating cage on flux uniformity.

youdao

叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。

A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.

youdao