level stress

To level stress, the relation of their slope approximatively shows the exponent function relation;

对于水平应力，其斜率间的关系近似成指数关系；

Then, it introduced principles light source control system drive and control circuits, illumination switching control systems and light detection system of each low-light level stress source system.

然后，分别针对微光应力源系统的光源控制系统中的光源驱动及控制电路、照度切换控制系统以及光源检测系统进行了原理分析以及设计方案的介绍。

Then, used Monte Carlo method simulated the light within the integrating sphere with MATLAB, it also texts the theoretical feasibility of designed low-light level stress source system.

之后，运用MATLAB软件，使用蒙特卡罗法模拟了积分球内光能的分布情况，检验了微光应力源系统设计的理论可行性。

This thesis mainly described the design principle and the implementation of electrical part of the low-light level stress source system. Firstly, This thesis mainly described the main structure of low-light level stress source system-integrating sphere.

本文主要分析介绍了微光应力源系统的电学部分的设计原理以及实现方案。首先，本文分析介绍微光应力源系统的主体结构&积分球。

Low-light level night vision device testing equipment is used to detect stability of low-light level night vision device and performance indicators, and the low-light level stress source system provide night lighting environment.

微光夜视仪检测设备是一种用来检测微光夜视仪稳定性以及各项性能指标的设备，而微光应力源系统用来提供检测使用的夜间光照环境。

Non-homogeneous foundation will result in unevenly distributed high level stress in the basin plate.

非均匀 地基可以导致消力池板块内出现应力不均匀分布和高值拉应力.