beam sensor 中文意思是什麼

Prospect dtzziii series weight - load controller sensor part adopt bridge - type strain piece sensor, and applies steady installation technology to insure sensors running steady and long - range. we provide multi - kinds of sensor installation method. sensor can be installed under the car bottom, on elevator rope hitch plate, on car top wheel and axle and car top beam to work together with controller

前景dtzziii系列稱重控制儀的稱重傳感器部分採用橋式應變片傳感器，應用平穩安裝技術確保長期穩定運行稱重傳感器提供多種安裝方式，可以安裝于活轎底電梯的轎廂轎底電梯繩頭板處電梯轎頂輪軸處電梯轎頂橫樑上面等，與控制儀配合使用。

According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。

Between the device and the receiving device is launched beam penetrating sensor function sensing range of 32 to 9 - 3 4

具有發射裝置和接收裝置之間的光束穿透感測功能，感測范圍達32至9 - 3 4 " 10m

Sensor is installed on car top beam

傳感器安裝在轎頂橫樑上的安裝方式

By the line s - h sensor mentioned in chapter 3, measurements have been made to a beam path heated by hf laser. by a high speed interferometer, tomographic measurement was made on a air column heated by electric powered wire

用第三章設計的線陣s - h傳感器對hf激光加熱光路進行了測量研究，在此基礎上，用高速干涉儀對電熱絲加熱的空氣柱進行了模擬層析測量研究。

2. the design thought of annular fan beam sensor structure is presented, and array laser sensor of 15x5 fan beams structure was developed. the sensor ' s measurement sensitivity distribution and spatial resolution are analyzed and calculated

提出了環形扇束傳感器結構的設計思想，並研製了15 5扇束結構的陣列式激光傳感器，以及對其測量靈敏度分佈和空間解析度等性能指標進行了分析計算。

For the first time red laser diode ( rld ) was used as light source to develop a laser beam grid sensor for monitoring seeding distribution. hence, monitoring covering problem is solved and monitoring precision percentage was improved

首次使用可見光激光二極體（ rld ）為光源製作了用於排種均勻度檢測的激光束柵格光電傳感器，解決了傳感器檢測覆蓋率問題，提高了檢測準確率。

The new sensitive materials deposited on laps with electron beam thermal evaporation meet the requirements for fabricating miniaturised sensor devices and can be employed in environmental control such as detection of heavy metal ions

在最後，我們提出了基於硫屬玻璃薄膜laps的新結構和新的測量方法，並進而提出我們對laps在海水重金屬檢測應用中可能的發展方向。

At the end of the robot ' s left arm is an infrared 7 spectrometer 8 when objects are placed up against the sensor the robot fires off 9 a beam of infrared light

但是，它「品酒」並非用嘴。機器人左臂前端是一個紅外分光計。當物品被放在傳感器前面，機器人就放射一縷紅外線。

And we simulate the thing by different spatial frequency hartmann - shack wavefront sensor which is used in detecting the far field of laser beam, and we get the result that if magnitude of wave aberration is lower the dynamic range of sub - aperture of wavefront sensor, the more the spatial frequency of hartmann - shack wavefront sensor is, the more the accuracy of hartmann - shack wavefront sensor in detecting high frequency aberration is

並且波前像差在hartmann - shack波前傳感器子孔徑動態范圍之內，空間解析度高的hartmann - shack波前傳感器對高階像差波前探測時，其光束質量診斷精度高於空間解析度低的hartmann - shack波前傳感器的光束質量診斷精度。

On the basis of fbg " working mechanism which is expounded on the approach of mode - coupled theory, the paper analyzes and compares the characteristics of some typical demodulation mechanisms. a novel demodulation mechanism for fbg with a cantilever beam to linearly tunable filtering is designed, and the theoretical and experimental analysis on this demodulation mechanism is explained. although the experiment conditions restrict it, the analysis of the measured data show the mechanism has great effect on the practical applicationjiot only in optical communication and sensor systems

在使用模式耦合理論詳盡地闡述了光纖光柵工作原理的基礎上，本論文分析比較了幾種典型的傳感解調方案的特點，然後設計了一套新穎的基於懸臂梁線性調諧濾波的光纖光柵解調系統，並對這套系統進行了理論和實驗研究。盡管由於實驗條件所限，最後的實驗結果與實際值稍有差距，仍得到了許多有益的結論。

At the same time, the possibility of using nonlinear optics in widening the detecting wave band of hartmann - shack wavefront sensor is exploringly discussed. adaptive optics guarantees the beam quality of laser projecting system. beam cleanup, atmospheric turbulence compensation and correction of any disturbance and fabrication error in the light way are required to promise a near diffraction beam, but normal adaptive optics system can only correction one of them

自適應光學進行光束大氣傳輸波前畸變校正時，要求系統必須能進行光束凈化和校正大氣湍流造成的波前畸變，並且能夠同時有效地克服發射系統製造誤差、重力變形以及光路內部氣體擾動的影響，得到接近衍射極限的輸出激光光束。

On the base of the related research achievement, the structure and characteristics of annular fan beam sensor, principle of light scanning, image reconstruction, image explanation and system frequency domain analysis are thoroughly researched. there will be a helpful exploration for developing and utilizing the novel optical measurement technique

在國內外相關研究進展的基礎上，對環形扇束光學傳感結構及特性、光線掃描原理、圖像重建、圖像解釋和系統綜合分析等方面進行了深入的研究，為進一步開發利用該項新型光測技術進行了有益的探索。

The work presented in this paper is carrying out to the theory research of dbf. the work includes : research of dbf algorithms, dbf antenna system composition and realization. the application of dbf algorithms used in high frequency ground wave radar for near ocean inspection and ocean situation remote sensor is also presented. at last, we give a effective scheme to implement broad - band constant beamwidth digital beam - former

本文的主要工作是圍繞數字波束形成技術的理論研究，內容包括：數字波束形成演算法的研究，數字波束形成天線的系統構成和實現，以及將數字波束形成演算法應用於高頻地波雷達近海監測和海態遙感，最後給出了一種寬帶恆定束寬數字波束形成器的設計方案。

This thesis presents my study efforts on new type of fiber - optic sensors iber optic bragg grating sensor. prime contents include development and product course of fiber bragg grating ( f5g ), demodulation principles of f5g, design of demodulation system of fiber grating sensors with a cantilever beam, analysis of experiments, and a mechanism based on fiber grating - pair is presented which is used to study the solution of cross - sensitivity of fiber grating sensor measurement

本論文的研究工作是對新型光纖傳感器?光纖bragg光柵傳感器的應用基礎研究。基本內容包括：光纖光柵的發展和製作工藝、光纖光柵的傳感解調工作原理、基於懸臂梁的實用化的光纖光柵解調系統的設計、原理性實驗結果的分析討論以及提出一種利用光纖光柵對來解決交叉敏感問題的方案。

By the advantage of high precision, strong anti - interference ability, long lifespan, etc, grating scale is the chief sensor in displacement measurement. however, as is restricted by the beam path structure, the scan frequency of the scaning circuit, etc, the maximum available measuring speed has a inverse proportion relationship to the measuring pace of a single grating scale

光柵尺具有精度高、抗干擾能力強、壽命長等優點，成為微納米位移測量的主要工具，但由於受光路結構及信號檢測電路掃描頻率等因素的限制，單個光柵尺測量的最大允許移動速度與其測量步距成反比。

When the car is running, the car light will send out a beam of powerful light. when the powerful light arrives to the surface of the vidicon, the sensor will saturate

這是由於車輛行駛過程中，車燈發出的強光會迎面射向攝像機，攝像機傳感器會達到飽和，這樣就很難拍攝到車牌圖像。

Using a specially designed keyboard in conjunction with state - of - the - art light sensor technology, a hand or head pointer controls a beam of light that enters, then confirms, the key or mouse function

特殊設計的鍵盤採用了光傳感器技術，位於手或是頭部的指示器控制一束光進行回車，然後確認，其功能就和鼠標鍵盤一樣。

As the intensity of light varies ? by the breaking of a light beam, say, or a decrease in general illumination ? the amount of current generated by the sensor changes

光線強度的變化（例如光束被遮斷或是一般照明的降低） ，會造成偵測器里產生的電流隨著改變。

Because the element of the far field diagnosis system which is used to detecte facula is ccd, when it works, much types of noise will affect it, and threshold value will affect the efficient signal. in this paper, hartmann - shack wavefront sensor which can detect the phase of beam is studied, what is detected by hartmann - shack wavefront sensor can be transform into far field, and we compare this result with that detected by the far field diagnosis system, and we can know which system is more accurate

事實上， hartmann - shack波前傳感器的ccd在探測光斑陣列時，也同樣受ccd噪聲因素的影響，並且還有波前本身的復原誤差，但是hartamnn - shack波前傳感器的ccd噪聲影響的是波前復原精度，雖然這也將導致事後處理遠場光斑的誤差，但這種誤差與遠場測量系統的誤差相比孰大孰小是本文研究的主要內容。