结果表明，对同一光学产品，选取的黑体目标尺寸越大，测试结果杂光越小；
The experimental results indicate that the larger size of the black body, the smaller value of stray light;
针对红外目标尺寸不定的实际情况，提出了对基于数学形态学的红外目标检测方法的改进。
The mathematical morphology based on improved algorithm to detect infrared targets is designed for the variable size of targets.
在此基础上，结合探测概率制定幅度门限，根据定位要求及目标尺寸，分析了脉冲个数门限的确定方法。
Then the amplitude threshold is established combined with detection probability. The method of ascertaining pulse number threshold is analyzed according to orientation requirement and target size.
针对舰船目标尺寸巨大、形状复杂、电磁设备繁多的特点，选取并行多层快速多极子技术来模拟仿真其电磁环境。
Electromagnetic environment of ship, an extremely large complex target with various electromagnetic equipments, was simulated by parallel multi-level fast multipole algorithm (MLFMA).
阴影对于视频跟踪系统是一种严重的干扰，尤其是在一些测定目标尺寸的应用中，因此对阴影处理的研究是一项很有意义的工作。
Shadow has great impact on visual tracking system, especially in some applications that need to measure the size of the object. It is a meaningful job to deal with shadow.
阴影对于视频跟踪系统是一种严重的干扰，尤其是在一些测定目标尺寸的应用中，因此对阴影处理的研究是一项很有意义的工作。
Shadow has great impact on visual tracking system, especially in some applications that need to measure the size of the object. It is a meaningful job to deal with shadow.
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