摘要
为了在空间激光通信中实现高速实时的光轴检测,采用FPGA(可编程逻辑门阵列)实现对CCD传感器的实时驱动与处理是十分有必要的。从工程角度出发,研究采用FPGA完成CCD传感器的驱动与光轴检测方法,并分析了以CCD为代表的阵列传感器在光轴检测中的模型与特点;最后给出一个光轴检测系统的设计实例、试验方法与测试平台。通过实验验证了采用FPGA直接实现CCD驱动以及图像处理具有可行性,并且可以实时处理百兆数据,完全有能力满足高速伺服控制系统的需求,其总体控制带宽可达到2.5Hz。
Field programmable gate array（FPGA） is used to realize real-time drive and image processing of CCD sensor is essential,for high speed and real time optical axis testing in space laser communication.The paper investigates a method to drive CCD sensor and test optical axis by FPGA in detail from engineering application,analyzes model and characteristics of CCD sensor,the representative of array imaging sensors.Finally,an instance of designing、experiment method、a test platform are given and analyzed.Adopting FPGA direct drive CCD sensor and image processing is feasible by experiments.Its ability of signal processing,processes data streams at minimum 100mb/s,can meet the demands of high speed servo control system completely.The bandwidth of control system has reached 2.5Hz
出处
《长春理工大学学报（自然科学版）》
2014年第6期55-58,共4页
Journal of Changchun University of Science and Technology(Natural Science Edition)
基金
国家技术创新基金项目(13C26212201166)
吉林省青年科研基金项目(20140520122JH)
吉林省科技发展计划重点项目(20150204049GX)
