鏡像函數 的英文怎麼說
中文拼音 [jìngxiànghánshǔ]
鏡像函數
英文
mirror image function- 鏡 : Ⅰ名詞1 (鏡子) looking glass; mirror 2 (幫助視力或做光學實驗的器具) lens; glass 3 (姓氏) a s...
- 像 : Ⅰ名詞1 (比照人物製成的形象) likeness (of sb ); portrait; picture 2 [物理學] image Ⅱ動詞1 (在...
- 函 : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
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By using knife edge as object, and cmos sensor as device for image analyzing, we get edge spread function from the image and use differential operation and fft to obtain modulation transfer function of the lens, then its image quality is known
以刀口作為目標物,以cmos作為圖像分析器件,從圖像中獲取刀口函數,經微分和fft運算,得到成像鏡頭的mtf (調制傳遞函數) ,從而得知其成像品質。The spectral analysis of non - orthogonal functions cannot be obtained by orthogonal integration method. only the spectral analysis of some particular non - orthogonal functions can be realized by integral transformation. thus, the concept of reflection matrix is proposed and the mirror symmetry of spectral analysis for non - orthogonal function is revealed. any element functions whose reflection matrix can be obtained possesses its inverse element function. the spectral vector corresponding to an element function possesses its inverse spectral vector corresponding to the inverse element function. by reflection matrix the mapping relation of element function pair and spectral vector pair can be established. spectral analysis of non - orthogonal functions can be obtained with this symmetry by using the integration method as in the case of orthogonal functions, instead of calculating the inverse matrix as usual. so a convenient and practical method for spectral analysis of non - orthogonal functions is offered
非正交函數不能利用正交積分來實現譜分解.僅有某些特殊的非正交函數可以通過積分變換實現譜分解.本文提出了反射陣的概念,揭示了非正交函數譜分析的鏡像對稱性.任何能夠建立起反射陣的元函數存在著它的逆元函數,並且任何基於該元函數的譜向量同時也存在著基於逆元函數的逆譜向量.元函數對與譜向量對通過反射陣建立映射關系.利用這種對稱性,非正交函數可以象正交函數一樣使用積分方法獲得譜分解結果,而不必使用求解逆陣的方法,從而為非正交函數的譜分解提供了便捷、實用的方法Because of the digitally rebalanced circuit, the sensor is capable of achieving better static and dynamic characteristic, higher sensitivity and stability. in this paper, the propagation path of light in the step index fiber and graded index fiber is introduced firstly. then the paper sets up the coupled power model and develops the coupling function
在文中,首先介紹了光線在階躍型光纖和梯度折射型光纖中的傳播路徑,以及在一端鍍有反射膜的1 4波節長度的grin透鏡中的成像規律,並推導了光功率耦合函數。Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases
本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長比值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。In this paper, it is expounded the relationship of two - channel perfect reconstruction filter banks to wavelet transform on the base of signal processing and engineering application ; avoiding complex path formula deduction, the selection of a desirable mother wavelet function becomes the design of two - channel perfect reconstruction filter banks
摘要從信號處理和工程應用的角度出發,避開了復雜的數學公式推導,闡述了雙通道濾波?組與小波變換的關系,並討論了母小波函數的選擇可歸結為正交鏡像濾波器的設計。The relation of tthe ccd sensor imaging resolution and the mtf is gotten. when the mtf of space remote sensing camera is higher and the contrast of object is higher, it can be believed that the resolution of ccd sensor imaging is 1. 6 times of the pixel dimension, in the mean while the mtf decreases 32 %
通過模擬得到了ccd探測器的目標影像的分辨力與ccd像元尺寸的關系,當航天光學遙感相機的mtf較高(模擬中鏡頭的mtf = 1 )且目標為高對比度時,得到ccd探測器的目標影像分辨力是其像元尺寸a的1 . 6倍,其光學調制度傳遞函數mtf下降32的結果。The system is on the basis of fourier optics. by using knife edge as object, cmos sensor as device for image reception, we get edge spread function from the image histogram and use differential operation and fft to achieve mtf of the lens, then its image quality is obtained
本系統以傅立葉光學為依據,以刀口為目標物,以cmos為圖像接收器件,採用獨特的演算法,從刀口圖像的灰度直方圖中獲得其刀口邊緣函數,經微分和fft運算,得到待測鏡頭的mtf ,從而得知其成像品質。In this thesis, based on related previous references, using the non - fourier law of heat conduction, applying the image method, expand method of wave function, multiple scattering of thermal waves in materials with subsurface defects are investigated. our research works are concretely as following
本文在分析了國內外相關文獻的基礎上,基於非傅里葉熱傳導波動方程,採用鏡像方法和波函數展開法,研究了固體介質中亞表面圓柱缺陷和球形缺陷對熱波的多重散射問題。The relation between form errors of the flat mirror under test and wave - front aberrations, i. e., influence function, can be obtained through sampling the pupil plane
摘要通過在光瞳面上取點的方法,找出被檢平面鏡面形誤差與檢驗系統波像差之間的相互關系,即影響函數。Calculation of spatial - domain green ' s functions for multi - layered media by discrete complex image method
離散復鏡像法求取層狀介質的格林函數And the specification of binoculars and digital camera are analyzed in - depth. on the base of analysis, the three key specifications are proposed. the three key specifications are : resolution, field of view matching and the mtf of image sensor
為此,首先對數碼望遠鏡的原理和特點進行了深入分析,並對望遠鏡和數碼相機檢驗的各項指標進行了詳細比較,在此基礎上提出了適合於數碼望遠鏡性能檢驗的三個關鍵指標:解析度、視場匹配度和圖像傳感器的調制傳遞函數。分享友人