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作 者:矫英祺 任国全[1] 李冬伟[1] 齐蕴光[1] 柯建新
机构地区:[1]军械工程学院,石家庄050003 [2]中国人民解放军驻127厂军事代表室,黑龙江齐齐哈尔161000 [3]厦门警备区,福建厦门361009
出 处:《电光与控制》2015年第6期47-51,共5页Electronics Optics & Control
摘 要:针对振动影响光电系统成像质量的问题,利用六自由度隔振系统和图像采集系统组合搭建了相应的模拟光电成像试验系统,通过振动台试验采集不同振动环境下的图像序列,对采集到的图像清晰度进行计算来分析振幅和频率等振动的参数对成像质量的影响。试验结果表明,对于光电成像系统,振动的振幅相比频率对成像质量的影响更大。对于不同频率的振动,在各阶频率的振幅相等的情况下,高频振动对成像质量的影响大于低频振动。试验研究成果对于探索和了解振动对光电成像系统成像质量影响的机理研究具有一定的参考和应用价值,同时对于工程实际中减振方案的设计和减震器的合理选择具有一定的指导意义。Considering the effect of vibration on imaging quality of photoelectric system, we established a simulated photoelectric imaging test system based on a 6-FOM vibration isolation system amt the image capturing system. Image sequences under different vibration environments were collected through the vibration table tests, and the influence of such vibration parameters as amplitude and frequency on imaging quality were analyzed by calculating the sharpness of the images. Results obtained were studied and discussed in detail, which showed that:l) Compared with the frequency, the amplitude was even more influential on imaging quality of the photoelectric system ; and 2) The effect of the high-frequency vibration was greater than that of the low-frequency vibration under the condition of equal vibration amplitude of different frequencies. The results of the study is useful for the research on the mechanism of influence of vibration to imaging quality of photoelectric system, and can be taken as a reference for the design of vibration isolation and the rational choice of shock absorber.
分 类 号:TP753[自动化与计算机技术—检测技术与自动化装置]
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