Timing jitter is one of the main factors that influence on the accuracy of time domain precision measurement. Timing jitter compensation is one of the problems people concern. Because of the flaws of median method, PD...Timing jitter is one of the main factors that influence on the accuracy of time domain precision measurement. Timing jitter compensation is one of the problems people concern. Because of the flaws of median method, PDF deconvolution method and synthetic method, we put forward a new method for timing jitter compensation, which is called advanced median method. The theory of the advanced median method based on probability and statistics is analyzed, and the process of the advanced median method is summarized in this paper. Simulation and experiment show that compared with other methods, the new method could compensate timing jitter effectively.展开更多
5月27日,奥林巴斯公司在北京正式推出了全新的E系统数码单反相机新品E-520和E系统镜头新成员ZUIKO DIGITAL ED 9-18mm f4.0-5.6。
作为E-510数码单反相机的升级更新版,E-520拥有内置的图像稳定机构。其采用了SWD(超声波驱动)机构移...5月27日,奥林巴斯公司在北京正式推出了全新的E系统数码单反相机新品E-520和E系统镜头新成员ZUIKO DIGITAL ED 9-18mm f4.0-5.6。
作为E-510数码单反相机的升级更新版,E-520拥有内置的图像稳定机构。其采用了SWD(超声波驱动)机构移动传感器,可实现最高相当于提高4档快门速度的相机抖动补偿。E-520还可通过安装OM转4/3接环来兼容OM镜头,让原有的OM镜头在数码时代重获新生。展开更多
基金National Natural Science Foundation of China (50605065)
文摘Timing jitter is one of the main factors that influence on the accuracy of time domain precision measurement. Timing jitter compensation is one of the problems people concern. Because of the flaws of median method, PDF deconvolution method and synthetic method, we put forward a new method for timing jitter compensation, which is called advanced median method. The theory of the advanced median method based on probability and statistics is analyzed, and the process of the advanced median method is summarized in this paper. Simulation and experiment show that compared with other methods, the new method could compensate timing jitter effectively.
文摘5月27日,奥林巴斯公司在北京正式推出了全新的E系统数码单反相机新品E-520和E系统镜头新成员ZUIKO DIGITAL ED 9-18mm f4.0-5.6。
作为E-510数码单反相机的升级更新版,E-520拥有内置的图像稳定机构。其采用了SWD(超声波驱动)机构移动传感器,可实现最高相当于提高4档快门速度的相机抖动补偿。E-520还可通过安装OM转4/3接环来兼容OM镜头,让原有的OM镜头在数码时代重获新生。