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为满足红外成像制导导引头的测试和半实物仿真试验,提出了一种高对比度红外面源目标模拟器方案。模拟器包括图像生成计算机、图像修正计算机和MOS电阻阵逻辑控制及驱动器,通过光纤构成分布式系统。图像生成计算机接收弹道仿真计算生成的弹目相对运动参数,生成红外场景图像,通过光纤网传送到图像修正计算机,对数据进行非线性、非均匀性修正,利用机内PCI图像数据传输驱动卡将数据传输到安装在转台上的MOS电阻阵逻辑控制及驱动器;该驱动器产生MOS电阻阵温度控制信号和的时序逻辑,驱动MOS电阻阵产生200Hz的红外图像。该方案已经在成像导引头测试中得到验证,导引头可清晰成像并稳定截获生成的红外目标。
In order to meet the test and semi-physical simulation test of infrared imaging guidance seeker, a scheme of high contrast infrared surface source target simulator is proposed. The simulator includes image generation computer, image correction computer and MOS resistor array logic control and driver, and the distributed system is composed of optical fiber. The image generating computer receives the projectile relative motion parameters generated by the trajectory simulation calculation and generates infrared scene images which are transmitted to the image correction computer through the optical fiber network to correct the non-linearity and non-uniformity of the data. Using the PCI card image data transmission driver card The data is transferred to the MOS resistor array logic control and driver mounted on the turntable. The driver generates the MOS logic array temperature control signal and the timing logic to drive the MOS resistor array to produce a 200 Hz infrared image. The solution has been validated in the imaging seeker test, which allows the seeker to clearly image and stabilize the resulting infrared target.