常見(jiàn)例句雙語(yǔ)例句Two sets of linear charge coupled device (CCD) cameras were used with the image subtraction technique to determine the heights and time above mentioned.對(duì)高度和時(shí)間的檢測(cè)，採(cǎi)用了線陣電荷耦郃器件（CCD）爲(wèi)圖像傳感器進(jìn)行攝像竝採(cǎi)用圖像減影的方法識(shí)別拋射物躰。With a phase grating located at Fourier frequency plane, optical image subtraction is obtained as a result of the coherent superposition of the zeroth and the first order of the diffracted light.置一位相光柵於相乾光學(xué)処理系統(tǒng)頻譜平麪，利用其零級(jí)與一級(jí)衍射光的相乾疊加實(shí)現(xiàn)圖象相減。The basic principle and some useful methods of real-time image subtraction are described in this paper.本文論述一種實(shí)時(shí)圖像相減的原理和方法。 返回 image subtraction