CCD astronomy

Three primary kinds of noise in the astronomical CCD camera system were analyzed: photon noise,readout noise and dark current noise,etc.

全面分析了天文CCD相機系統中的幾類主要噪聲:光子噪聲、讀出噪聲和暗電流噪聲等,提出了在低照度條件下的信噪比(SNR)模型,并進一步提出了在不同曝光時間長度下CCD的信噪比簡化模型。

Parallel analog channels for oversampling scientific CCD camera signal;

科學級CCD并聯過采樣低噪聲模擬信號通道

The optical system construction and working principles of intelligent north-finding gyroscope system based CCD(charge coupled device)image sensor and DSP(digital signal processing)technology is described.

介紹了基于CCD圖像傳感器與DSP技術的陀螺儀智能尋北系統的結構與工作原理,重點介紹了與DSP有關的電子硬件和軟件部分,尋北方法在DSP特定環境下的應用,給出了系統的硬件原理圖和軟件流程圖,最后總結了這套系統在陀螺儀尋北中的優點。

An instrument for auto measuring the width and length of wood board which based on the one-dimensional linear array CCD(charge coupled device)sensor and computer technique is introduced.

本文采用一維線陣CCD,利用照相機鏡頭成像的方法,通過調節鏡頭焦距就能獲得木材直徑的一維圖像,打破了其他檢測裝置用平行光掃描的局限性,消除了光線不平行帶來的誤差,省去了平行光產生、掃描、會聚裝置(如拋物鏡等),使復雜精密的光學系統簡單化,降低了成本。

EUV Response Calibration of Astronomic CCD

空間天文CCD在EUV波段的光譜響應定標測試

The Application of Real-time Operating System in Astronomic Fast Readout CCD;

實時操作系統在天文快讀CCD上的應用

Technical Testing of Drift-scan CCD Camera;

天文漂移掃描CCD相機的技術驗證

Research on Astronomical CCD Image Processing Technology Based on DSP;

基于DSP的CCD天文圖像處理技術研究

Design and Implementation of Denoising and Star-Searching in CCD Astronomical Images;

CCD天文圖像去噪和對象搜索算法的設計與實現

NOTE ON THE STABILITY OF THE #1 CCD CAMERA OF THE 1.56m REFLECTOR

關于上海天文臺1.56m望遠鏡#1 CCD照相機的穩定性

PERFORMANCE STUDY OF THE NEW CCD CAMERAS OF YUNNAN OBSERVATORY

關于云南天文臺1m望遠鏡新CCD照相機的某些性能

UNSOLVED DETERIORATION OF THE CCD CHIP IN I WAVEBAND WITH UNKNOWN CAUSE

CCD芯片在I波段未明原因的一種退變(英文)

The Study of Imaging Quality and Resolution of CCD Space Camera Base on Model Experiment and Computer Emulation;

基于模擬實驗及計算機仿真的CCD航天相機影像分辨力的研究

The beam characteristics of exeimer lasers are detected by using a two dimensional CCD array.

本文采用二維CCD列陣檢測準分子激光的光束特性。

an astronomical [a meteorological] observatory

天文 [氣象] 臺

In the paper the algorithm of calculating parameters, the method of structure layout, and the way of mounting linear CCD on laser spot source probe are analyzed at all details.

本文詳細分析了點光源激光測頭設計參數計算及結構布局方法，線陣CCD器件安裝方式。

Hunan Culture & Hunan Literature and Art

湖湘文化與湖南文藝:昨天·今天·明天

vehicles for space astronomical observation

空間天文觀測航天器

astronomical tide

天文潮天文潮天文潮汐(受日月吸力影響的潮汐

HubBle distance

哈勃距離(天文學)

HubBle's law

哈勃定律(天文學)

Razin effect

拉金效應(天文學)