視反射 的英文怎麼說
中文拼音 [shìfǎnshè]
視反射
英文
visual reflexes-
The scanning mirror system is execution component to compensates error brought by image movement. it is main component of aerial camera
本文所研究的掃描反射鏡系統是斜視航空相機實現像移補償的執行元件,它是航空相機的重要組成部分。Tests for blindness include a test for the eye preservation reflex and an obstacle test.
盲視試驗包括眼的保護性反射和障礙試驗。The enterprise beijing zhongke moshi dafang science and technology co., ltd. offers among other things goniometer and machine control
公司專業從事量角器、測角計、測向器、評判以及反射器和視頻照相機業務。The technology is remote distance and no osculant measurement, and the measure instrument can be real time control by pc. the system adopts an optical system equipped pritchard hole reflector. it can provide efficiently optical channel, and it can aim at the distant object and measure brightness and color precise
本系統採用了裝備有帶孔反射鏡的望遠光學系統,能夠對遠處的測試目標進行亮度與顏色的精確瞄準測量,同時可方便的改變視場角的大小。Methods for measurement of reflectance of rear view mirrors
后視鏡反射率的測量方法Auto fatness measuring system, fat measure, hearing aid. gas pressure gauge of measure, digital woman thermometer, electronic infrared high - power massager, eye massager, suction unit, refractor, film box. diagnostic set, head mirror. magnetic acupuncture suction cup
全自動身高體重計、體脂肪測定器、助聽器、氧氣流量表、電子體溫計、電子婦女基礎體溫計、紅外線電動按摩器、眼部按摩器、吸引機、視力檢查器、看片箱、喉頭鏡、檢耳鏡、額頭反射鏡、哈慈五行針Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly
方法:通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥化酶( th ) (或加壓素? vp )免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast超微結構的變化、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。At first, bubble flow image is acquired using laser and incandescence lamp respectively as light source and using ccd. according to different optics - dispersion character, threshold segmentation method is proposed to identify gas from the gas - water flow, which make steadfast base for further calculate void fraction. the precision of threshold directly affect the calculate precision of void fraction
文中分別採用激光片光源和影視燈照明,採用逐行掃描數字ccd攝像機獲取氣泡的流動圖像;根據氣泡和水對光的反射特性不同,提出採用閾值法識別圖像中的氣泡和水,從而為進一步計算摻氣濃度打下堅實的基礎。Abstract : in the field of optical wireless links, concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators. hemispherical concentrators are studied by ray tracing, then for several normal nonimaging concentrators : hemispherical concentrators, compound parabolic concentrators ( cpc ), dielectric totally internally reflecting concentrators ( dtirc ), simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ), the design methods and the performances e. g. the gain and the field of view ( fov ) are compared as well as the application suggestion
文摘:在無線光通信領域,利用非成像光學設計的集中器能夠聚集光輻射能量,而且相對于成像性集中器具有更緊湊的結構和更高的增益.利用光線追跡法對半球形集中器的性質進行了分析與研究.對好幾種非成像集中器:半球形集中器,復合拋物線形集中器,介質內部全反射集中器,多表面集中器,多相介質集中器,從設計原理、增益和視場進行比較,並分析其應用場合Beam riding systems use a target tracker whose purpose is to maintain the antenna boresight pointing at the centre of the reflecting area of the target.
波束制導系統使用一個目標跟蹤裝置,它的目的是保持天線視軸指向目標反射的中心。A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel
(聚焦區)無限遠與光學系統(如照像鏡頭)有關的一個范圍,表示距離是如此之遠,以至於從在這一距離的物體上反射回來的光可以視為平行光線The rods and cones that make up the human retina may also channel light via total internal reflection.
組成人眼視網膜的視網膜桿和視網膜錐也可以通過全內反射傳導光。In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。Such operations include rotation, translation, scaling, reflecting, orthographic projection, and perspective projection are provided to control the location of geometric models
其中包括旋轉變換、平移變換、比例變換、反射變換、正交投影變換和透視投影變換。利用這幾種變換的組合建立取景體。The interview was a good reflection on the visual and conceptual differences embodied by each division as well as their thoughts on some of the recent and future happenings of new balance
采訪是在每分裂實現的視覺和概念性區別的好反射並且他們的在某些的想法新的平衡最近和未來事件。The dome - top, plane - top ; large - reflective bowl, small - reflective bowl ; wild - degree bowl, narrow - degree bowl ; deep assembling, middle assembling and low assembling led tubes were simulated and experimentally measured for comparison. some conclusions can be drawn that the simulation results fit the experimentation results well in the light distribution. this testified that monte carlo method is one of the effective tools for led light ' s optical design
根據驗證和分析比較不同led光學結構的需要,製作了有代表性的19種管型的樣管,分別對其模擬模擬輸出配光曲線圖和測試,在模擬光子數設定為10000000個, 1000次反射無出射視為光子被吸收等參數條件下,得到模擬和測試所得配光曲線在一定的誤差范圍內是相同的。Based on the propagation theory of the longitudinal wave in the pile, the present paper presents a technique for determining such parameters as back - and - forth time of reflection wave and apparent reflection coefficient
摘要本文以縱波在桿中傳播的理論為根據,介紹一種用於確定反射波往返時及視反射系數等參數的方法。After some correction of the apparent reflection coefficient, the extent of wave impedance differences of the reflection interfaces can be analysed quantitatively and, on such a basis, the defective position of the pile body can be detected
將視反射系數經過一定的校正後,可定量分析反射界面的波阻抗差異的大小,進而確定樁身缺陷的嚴重程度;反射波往返時則用來推算樁身缺陷的位置。Abstract : based on the basic principle of reflection and transmission in the process of the propagation of logitudinal wave, this paper recounts a new theory and method for the application of pile body completeness inspection data with reflection wave method to the quantitative determination of apparent reflection coefficients and the round travelling time of reflection wave
文摘:從縱波傳播過程的反射和透射的基本原理出發,介紹了反射波法樁身完整性檢測數據在頻率域中定量確定視反射系數和反射波往返時間的一種新的理論和方法。Based on the basic principle of reflection and transmission in the process of the propagation of logitudinal wave, this paper recounts a new theory and method for the application of pile body completeness inspection data with reflection wave method to the quantitative determination of apparent reflection coefficients and the round travelling time of reflection wave
摘要從縱波傳播過程的反射和透射的基本原理出發,介紹了反射法樁身完整性檢測數據在頻率域中定量確定視反射系數和反射波往返時間的一種新的理論和方法。分享友人