range sensor 中文意思是什麼

And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。

Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。

The design of temperature sensor realizes bare fiber temperature characters and strain insensitivity of capsulated components in the range of 30 ~ 85, which guarantees their high stability and repeatability

溫度傳感器的設計結構在30 ? 85的溫度變化范圍內有效的實現了封裝元件的裸刪溫度特性及應變不敏感性，保證了其高穩定性和重復性。

This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導，對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計，對主噴嘴和測量噴嘴的不同組合，將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計，並通過實驗驗證了理論推導，從而使氣動測量系統量程的示值范圍達到40 m ，靈敏度達到100mv m ，解析度達到0 . 05 m ，測量不確定度小於0 . 2 m ，滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。

In this thesis, new fluorescence carriers with good properties were synthesized and copolymerized under uv irradiation on the silanized glass or quartz disk and - the sensors prepared were studied. ( 1 ) n - propyl - 4 - ( n - methylacryloxy - ethyl ) amino - 1, 8 - naphthalimide ( pmean ) was synthesized and used for determination of picric acid. the linear range of the sensor is 9. 80x10 - 7 - 1. 96x10 - 4 mol i - 1

（ 1 ）合成了n -丙基- 4 - （ n -甲基丙烯酰基氧乙基）氨基- 1 ， 8 -萘酰亞胺（ pmean ） ，研製出了苦味酸熒光光纖傳感器，可間接測定藥片中磷酸氯喹和水樣中苦味酸的含量。

This compound was firstly used as a fluorescence carrier of chemical sensors to examine the toxic p - nitroaniline. compared with conventional methods, this sensor has lower cost, wider detection range, higher sensitivity and selectivity, better reproducibility and reversibility. 4

與傳統的檢測對硝基苯胺的方法相比，該傳感器操作簡便，製作成本低廉，在較寬的范圍內有響應，具有較高的靈敏度和選擇性，重現性好，響應迅速。

The sensor exhibits a linear response to c3 in the concentration range 6. 5ng / ml to 75ng / ml, correlation coefficient 0. 973. 4 ) a novel enzyme - link fluoroimmunoassay system using 2 - chloro - 10 - [ 3 - ( 4 - methyl - l - piperazinyl ) propyl ] 10h - phenothiazine ( prochlorperazine ) as substrate to determine the goat anti - igg was developed by using polystyrene ( ps ) as carrier. the hrp - labled goat anti - igg can catalyze the oxidation of prochlorperazine to cause the increasing of fluorescence

4 ）以聚苯乙烯（ ps ）製成史持體，通過疏水性非特異吸附將igg固定在其表面，然後與gaigg和酶標gaigg進行競爭免疫反應，以雙氧水和甲哌氯丙嗪混合溶液為熒光底液，通過測定395nm處熒光增強的多少來測定gaigg的濃度，熒光響應與gaigg濃度在2n留ml到60n留ml之間呈準線性關系。

If can utilize hall ' s component to measure displacement under the condition of the simple magnetic field, increase the range of measuring ; it inertia little, merit that exposed to make it function in the measurement of vibration and in various kinds of displacement, become a kind of displacement sensor with fine performance. it can solve this difficulty to adopt the feedback servo mechanism

若能在簡單磁場的條件下利用霍爾元件測量位移，增加測量范圍；它慣性小、非接觸的優點將使它在各種位移與振動的測量中發揮作用，成為一種性能優良的位移傳感器。採用反饋隨動機構可解決這個困難。

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。

Application of laser range finder sensor in carbonization thr - vehicle interlocking system

激光測距傳感器在焦化三車連鎖系統中的應用

A polytyramine film was electrochemically obtained for the immomilization of god and an overoxidised polypyrrole film was used for eliminating the interferences from other electroactive materials. the sensor show a linear response to - d - glucose over a concentration range of 1 10 ~ ( - 5 ) 1. 8 10 - 2 mol / l, and the detection limit was 5 10 ~ ( - 6 ) mol / l

應用這種方法製作的電極具有響應時間短（ < 10s ） 、響應范圍寬（ 0 . 01 18mmol / l ） 、靈敏度高、穩定性好等優點，並具有抗抗壞血酸、抗尿酸、抗果糖干擾的特點。

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 。

The small size, high noise immunity, and large dynamic range of the proprietary mangeto - inductive magnetic sensors make them ideal for high volume compass or magnetic sensor applications, especially integration into consumer products

小體積，抗雜訊能力好，擁有較大動態感應范圍是pni的mi技術最大特色，特別適合應用於大量生產的電子羅盤

The diversiform non - contact measuring sensor is analyzed and compared in this paper mainly. much experiment and analysis is done to the lk081 ccd laser displacement sensor made in keyence, japan, and data is processed with matlab, then the style of the sensor and optimal measuring range being tit for this system is confirmed

作者對多種非接觸測量傳感器進行了分析和比較：通過對日本keyence公司的lk081ccd激光位移傳感器進行大量實驗，應用matlab軟體對其實驗數據進行分析和處理，確定了滿足本測量系統要求的傳感器型號和最佳測量范圍。

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

A multizone p - pdf is applied to calculate the instantaneous rate of no _ ( x ) with high turbulent conditions in the lpg engine. 4. construct an experimental spark - ignited premixed - charge lpg single fuel engine with universal wide range exhaust gas oxygen sensor

4建立稀氧傳感器反饋控制的lpg發動機實驗系統，準確控制發動機的實驗參數和工況，得到不同空燃比、不同點火提前角、不同燃料成分時發動機的動力性能和排放性能。

It ' s a wide range of detecting humidiy than humidity sensor module of resistance

有著比電阻式濕度測量模塊檢測更寬的濕度范圍

The range varies depending upon ecm / sensor differences and it slides up and down the scale

這個損傷值范圍是有電子干擾器/探測器的等級差距而有所浮動的。

The ultrasonic sensor produces a data carrier utilizing very high frequencies that are outside the human ' s audible range

超聲波傳感器利用高頻的聲波傳輸數據，該聲波在人的聲波范圍以外。

On this subject, chen wenxiang ' s using feedback servo mechanism to scale - up the measurement range on the shift by hore sensor and chen dongjun ' s study of a kind of hore shift sensor with feedback servo mechanism have achieve the rudimental results. it shows that using self - tracking or servo system to scale - up the measurement range of the hore sensor is reasonable

在這項研究工作上，陳文薌《採用反饋隨動機構擴大霍爾傳感器位移測量范圍》 、陳東軍《一種帶有反饋隨動機構的霍爾位移傳感器研究》已經取得了初步的成果，他們的成果表明採用隨動機構擴大霍爾元件的測量范圍是有效可行的。