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任何一种红外搜索跟踪装置都必须将要探测的目标从其背景中鉴别出来。定量地预知目标和背景的辐射强度(或亮度)是确定这种装置的作用距离、抗干扰特性等重要战术技术指标不可缺少的设计依据,因此,研究目标和背景的红外辐射特性是一项十分重要的工作。这里要介绍的YW—Ⅱ型野外辐射计是为开展这项研究而制作的设备。该设备于82年9月经航天工业部、电子工业部所属研究部门和有关大专院校鉴定,认为它具有口径大、灵敏度高、适合于测量微弱目标与背景信号等特点。目前,已经在两个单位投入使用。
Any type of infrared search tracking device must identify the target to be probed from its background. To quantitatively predict the radiation intensity (or brightness) of the target and the background is an indispensable design basis for determining the important tactical and technical indicators such as the operating distance and the anti-interference characteristic of the device. Therefore, the infrared radiation characteristics of the research target and the background are very important Important work. Here to introduce the YW-Ⅱ type of field radiometer is to carry out the research and production equipment. The device in September 82 by the Aerospace Industry Department, the Ministry of Electronics Industry Research Department and the relevant tertiary institutions identified as large caliber, high sensitivity, suitable for measuring weak targets and background signals and so on. Currently, it has been put into operation in two units.