讀出噪聲 的英文怎麼說
中文拼音 [dòuchūzàoshēng]
讀出噪聲
英文
readout noise-
For certain detectors, noise is introduced by a readout system.
對于某些探測器,讀出系統也會引起噪聲。The pin silicon photodiode made by alice - china group, which has a large area and high performances, is an important part of the photon spectrometer ( pros ) pbwo4 detector read - out system on the alice experiment. the pin diode has a sensitive area of 16x17 mm2. its leakage current is lower than 5na at room temperature
本工作研製的pin硅光電二極體的靈敏區面積為16x17mm2 ,常溫漏電流小於5na ,紫光區量子效率約為83 % ,結電容為110 - 120pf ,以及由pin光電二極體與電荷靈敏前置放大器組成的讀出系統的噪聲水平在- 25下小於527個等效噪聲電荷,並經過了長期性能穩定性的考驗The paper contraposes some problems such as the widening line, the narrowing line, the unequal color, the parting line, redundant printing ink and various cases of noises in the bar code image input etc, on which the algorithms of the bar code digital image processing and the algorithms of the bar code image identification are put forward. accordingly the method of correcting errors which bases on the bar code image identification is established
分析了瓦楞紙箱條碼印刷中存在的問題,針對條碼線條展寬、細化、著色不均、斷條、冗餘墨漬以及條碼採集中可能出現的噪聲等問題,文中提出相應的數字圖像處理演算法和條碼圖像識讀方法,並進一步提出一種基於圖像辨識技術的條碼識讀糾錯方案。On the basis of extensive reading and research of theory of the wavelet, it is presented a practical method based on odd theory of wavelet analysis to remove the white noises from transient fault current traveling waves of high voltage transmission line via multi - size analysis of wavelet
本文在廣泛閱讀和深入研究小波理論的基礎上,論文提出了一種基於小波分析的奇異性理論對通過小波多尺度變換的高壓輸電線路故障電流暫態行波信號進行白噪聲濾除的實用方法。The differential, which can be placed in roic chip, is used to difference the two voltage signals in cds in order to reduce fixed pattern noise in roic
該差分器可置於讀出電路片內,對相關雙采樣電壓信號進行差分,以減小讀出電路的固定圖形噪聲。In practical application, due to the parameter accuracy of two point temperature correction is limited by readout circuit noise 、 dynamic range 、 analogue to digital converter word length and calculating noise, the performance of focal plane array detector is not the performance it should be
目前實用性較好的兩點溫度定標法的校準系數精度受讀出噪聲、信號動態范圍、模數轉換字長和運算噪聲的限制,很難使焦平面探測器的空間殘留噪聲達到應有的精度。The first one references the principle and methods of small aperture beam technique. the sr measurement of aero - flow medium which fit the quasi - frozen - flow assumption was analyzed. the second measurement the deflection of s - h sensor ’ sub - aperture wave - front, according to spectrum calculation, sr can be gotten also
特別注意在實踐中具有操作意義的關鍵方法:設置一定閾值電平后,背景電平和讀出噪聲的影響可以降低,從而提高質心探測精度,在實踐中可以找出一個最佳閾值。We expatiate on the theory of ccd from the physical base and point out the different theory of ccd engendering noise. we describe the mathematic model of ccd output noise by correlation theory and analyze the noise quantificationally, it gives the correlation conditions. at these bases, we discuss the correlated double sampling elaborately
課題從ccd的物理基礎入手,闡述了ccd的工作機理,對ccd的各種不同噪聲進行了深入分析,指出了ccd不同噪聲產生的原理,課題運用相關理論對浮置擴散放大器讀出方式工作的ccd輸出復位噪聲進行了數學描述,進而對復位噪聲的相關性進行了定量的分析和計算,給出了復位噪聲相關的條件。分享友人