鏡頭孔徑 的英文怎麼說
中文拼音 [jìngtóukǒngjìng]
鏡頭孔徑
英文
lens opening-
The amount of light that enters the lens can be controled by the length of time the camera shutter is open for ( the exposure ), and the width of the aperture ( the fstop )
進入鏡頭光的總量可以由照相機快門打開時間的長短(曝光)和孔徑的寬度決定。Optical system design for lens with relative aperture of 11
相對孔徑為11鏡頭的光學系統設計Photographic lenses - methods for the measurement of the effective aperture, f - number and relative aperture
攝影鏡頭.有效孔徑光圈數和相對孔徑的測量方法Firstly, the system is divided into many modules according to different point of view ; secondly, to the hardware equipment - vidicon, lenses, revolver, shield and decode device, their principle of work has been explained ; thirdly, according to image identification experience and other indexes of the system, the focus of the lenses and relative aperture are calculated, and the type of the camera is confirmed, at the same time, the energy of infrared lamp is also computed in the thesis ; at the same time, synthesis control box is devised
首先,按照角度的不同,將系統劃分成許多模塊。其次,對硬體設備? ?攝像機,鏡頭,雲臺,防護罩,解碼器等的工作原理進行了闡述,再次,以人的成像辨認的經驗判據為依據,結合系統的其它指標,設計計算出鏡頭的焦距f 、相對孔徑d ,同時確定攝像機的型號,並計算出紅外燈光源。最後,對綜合控制箱進行設計,指出了設計的意義,實現的功能,並附上了綜合控制箱的外形圖。分享友人