搜索结果: 16-30 共查到“知识库 工学 CCD”相关记录332条 . 查询时间(0.359 秒)
提出了一种高集成度TDI CCD焦平面系统，成功应用TDI CCD驱动单元厚膜集成模块完成了具有16路CCD信号输出、像元读出频率20 MHz的高集成度高速多光谱TDI CCD焦平面系统的研制。通过采用双通道CCD信号处理模拟前端、厚膜集成驱动单元模块、高速LVDS图像数据传输接口以及机、电、热一体化仿真设计方法，极大提高了TDI CCD焦平面系统的集成度，降低了系统互连的复杂程度。系统共有4路图...
基于CCD图像智能分析的激光主动规避飞行物系统
飞行物规避 激光雷达 图像采集 CCD
2016/8/1
激光雷达是地球大气探测的有利工具,但其向空中发射的强激光束会对空域飞行物存在潜在威胁。为保障激光雷达上空飞行物的飞行安全,提出了一种基于CCD成像探测的激光智能主动规避飞行物的方法,并搭建了一套实验装置。该装置通过触发同步控制CCD实时采集激光雷达激光束方向一定范围的空域图像,再对图像进行降噪、差值和二值化等处理,并判断是否有飞行物在空域范围内,根据处理结果控制激光发射光路中的机械开关打开或者关闭...
THE ELIMINATE INCONSISTENT ALGORITHM AND ENHANCEMENT OF LARGE PLANE ARRAY CCD IMAGES
CCD Image Digital Aerial Photogrammetry Camera Iimage Edge Image Processing Modelling
2015/12/23
Aiming at uneven illumination and low contrast of large plane array CCD images, this paper presents an effective algorithm to extract uneven illumination from images and enhance the contrast by using ...
A Framework of Relative Navigation System for Non-Cooperative Target Using Double-CCD
Navigation Photogrammetry Simulation CCD Non-cooperative target Satellite
2015/12/9
The relative navigation of space non-cooperative target has great important practical value and vast prospect in application. The space non-cooperative target refer to some space flight objects which ...
Near Real Time CCD Array Health Characterization of Cameras onboard IRS
CCD Camera Image IRS Acquisition Remote Sensing
2015/12/3
Satellite captures and then transmits remotely sensed image to the earth station, which is further sent to the processing station. At processing station, it undergoes various types of geometric/radiom...
The Design and Realization of Large Plane Colour CCD Digital Aerial Camera System
Aerial camera Aerial photogrammetry Large CCD-array Colour composition Image fusion Large scale mapping
2015/11/23
On the basis of a size single plane array CCD (SPAC-1), we study and establish a digital aerial photogrammetry camera system, which adopts a “3+1”modular design method, i.e., three ×99 kk×22 kk CCD mo...
CCD信号自适应采样方法的研究和实现
自适应采样 电荷耦合器件 相位监测 遥感相机
2016/8/4
由于受温度变化和器件老化影响,空间遥感相机焦平面CCD信号的相位会发生变化,尤其是在高速应用领域,利用传统方法定标确定并固化的采样点参数不再适用,极大影响了图像信噪比,甚至造成图像不能正常显示。提出了一种针对空间相机焦平面CCD信号采样位置的自适应调整方法,通过实时监测CCD信号的相位变化,计算相应的采样位置调整量,并在线调整了采样时钟的相位,使CCD信号采样位置在其使用寿命期限中不同的温度环境下...
A simulation study for the geometric accuracy testing of airborne linear array ccd cameras
geometric accuracy testing airborne linear array ccd cameras
2015/9/1
Since their first introduction, linear array CCD cameras play an important role in the airborne optical digital sensors market, together with matrix array CCD sensors. The methods and algor ithms to p...
Automated calibration technique for photogrammetric system based on a multi-media projector and a CCD camera
Photogrammetry Calibration Accuracy Multi-media projector Non-contact measurements
2015/8/25
Recently multi-media projectors became commercially available for using in 3D reconstruction application. They have a number of features which make them attractive for using in photogrammetric applica...
Investigating the influence of ionizing radiation on standard CCD cameras and a possible impact on photogrammetric measurements
Photogrammetry CCD Camera Image Radiation Sensor Accuracy Quality
2015/8/24
In the context of high precision metrology tasks in heavy radiated areas questions arose concerning the applicability of digital cameras for photogrammetric purposes under these special conditions. Th...
Development of a CCD camera based reflex goniometer
reflex goniometer etalon gimbal plane parallel shifted laser temperature calibration
2015/8/24
The article describes the development of a reflex goniometer for biaxial angle measurement of a gimbal mounted mirror by means of a CCD camera. After the state of the art the measurement principle and...
CCD camera calibration based on the sun's images
Camera Calibtation Narrow Angular Lens Non-Metric Close Range
2015/8/24
A Nikon D70s Digital camera with resolution of 6M, equipped with a narrow angle Nikkor 85 mm f/1.8D lens and suitable filters;was calibrated successfully, by two sets of the sun's images. Each set was...
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor in 110nm CMOS
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor CMOS
2015/8/17
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor in 110nm CMOS.
Development of Digital Surface Model and Feature Extraction By Integrating Laser Scanner and Ccd Sensor With Imu
Laser Scanning CCD IMU
2015/7/15
Three dimension data are in great demand for the various applications such as 3D GIS, navigation, digital archive, simulation,
computer games, and so on. In order to represent space in details, it is...
A New Data Fusion Method for Improving Cbers-1 Irmss Images Based on Ccd Image Multi-source Imagery
CCD Fusion High Resolution
2015/7/9
A new data fusion method is proposed in this paper to improve CBERS-1 IRMSS images based on CCD image. Each pixel in an
IRMSS image with lower spatial resolution is correspondence with a group of sub...