讨论了影响高速飞机红外作用距离的内外部因素，如飞机的内部传热、探测路径方向与有效辐射面积等。
The physics model of the IR radiation characteristic of high-speed aircraft was established. Ulteriorly, using this result, the …
并根据热尾流与周围海水的平均温度差计算出红外探测器对潜艇热尾流的作用距离。
According to the difference in temperature between thermal wake and seawater, the operation range of the detector to thermal wake was calculated.
通过对武装直升机的红外辐射特性进行分析，建立了凝视型IRST系统对武装直升机的作用距离模型。
Through analyzing the radiate characteristic of the armed helicopter in theories, the operating range model of a staring IRST system for the armed helicopter was established.
推导了红外搜索系统的作用距离方程，并修正传统的红外搜索系统作用距离方程。
An active distance equation of infrared search system has been derived. The traditional active distance equation of infrared search system is corrected.
针对凝视红外成像探测系统作用距离计算问题，在分析传统作用距离模型的基础上，提出基于图像目标信噪比检测依据的新距离计算模型。
For the operating range calculation of staring IR imaging system, traditional operating range model was analyzed and a new model was proposed based on the target image's SNR detection criterion.
作用距离是红外搜索跟踪(IRST)系统的核心指标之一，需要对它作专门的研究。
Operating range is a core specification of an IR Search and Track (IRST) system and a special study on the operating range should be made.
试验表明，该方法可在实验室内用于评估低温点目标红外探测系统的作用距离。
The test shows that the method can be used to evaluate the operating distance of an infrared detection system for detecting low temperature point targets in laboratory.
试验表明，该方法可在实验室内用于评估低温点目标红外探测系统的作用距离。
The test shows that the method can be used to evaluate the operating distance of an infrared detection system for detecting low temperature point targets in laboratory.
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