電流照度 的英文怎麼說
中文拼音 [diànliúzhàodù]
電流照度
英文
current-illuminaton- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 照 : Ⅰ動詞1 (照射) illuminate; light up; shine 2 (反映) reflect; mirror 3 (拍攝) take a picture ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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Microcomputer inputs data document and sends out electric current signal to control wind velocity according to the setted value of speed. the major work of single - chip microcomputer is to get electric current signal from microcomputer and transfer the signal into decimalization ascii then send to show
Pc機把採集來的數據文件調入,按照設定的速度,給下位機(單片機)發送一個控制風速的電流值,並且在pc機的界面上畫圖,顯示發送數據的大小。According to the design principle of systems construction, this paper offers the collectivity layout projet which particularly introduces design thought in some aspects, for example : in function, in physical structure, in configure of software and hardware and son on. finally, this paper detailedly introduces the principle, the function, the flow and the systems structure of six subsystems which involved in urban public safety traffic management control system. the six subsystems are : geography information system
按系統建設的原則,論文給出了系統建設的總體設計方案,從功能上、物理結構上和軟硬體配置等方面詳細介紹了城市公安交通管理控制系統的設計思路,最後,論文詳細地介紹了城市公安交通管理控制系統的六個子系統? ?地理信息系統、指揮調度管理系統、交通信號控制系統、車輛闖紅燈自動拍照系統、交通信息發布系統和電子數據大屏顯示系統等的原理、功能和處理流程和系統構成。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。Various steps were taken to reduce the electricity consumption of revenue tower. this was achieved by, for example, replacing the old type fluorescent strip lights with electronic ballast ones, reducing the illumination level to the minimum and by conducting routine checks to switch off lights and communal facilities when they were not in use
本局實施節省能源措施,減少稅務大樓的耗電量,例如把舊式光管更換為具備獨立電子鎮流器的光管,把照明度減至最低,以及進行例行檢查,把不需用的燈光和公用設施關掉等等。Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。Manufacturer of precision instruments and controls including barometers, density monitors and level control for use in applications in chemical, petrochemical, food, medical, pharmaceutical, water and wastewater treatment, utility industries
-銷售非接觸紅外測溫儀環境測試儀音量計噪音計照度計溫濕度計一氧化碳測試儀電力基礎儀表數字萬用表交直流鉗形表。The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level
本論文作者通過模擬測試,驗證了課題研究的理論設想,並設計製作了具有低陽極發射效率結構的高壓功率frd ,利用局域鉑摻雜和電子輻照相結合的壽命控制方式,實現器件反向恢復時間的極大減小,並且反向漏電流、軟度因子、正向壓降等關鍵參數也較理想,且具有極佳的漏電溫度特性,達到器件綜合性能的優良折衷,達到國際先進水平。After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened
為了使探測器的性能得到進一步的提高,我們對其進行了電子輻照改性,並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應,並對其響應時間,后沿下降時間,半高寬( fwhm ) ,載流子壽命,靈敏度進行對比,研究,結果顯示經電子輻照后的探測器的性能得到了改善,使響應速度,分辯率進一步提高,並消除了探測器輸出信號后沿的非線性,雖靈敏度有所降低,反而使其測量范圍得以拓寬。Measuring methods of photocell - illumination - current characteristic
光電池測量方法照度?電流特性Procedures for temperature and irradiance corrections to measured i - v characteristics of crystalline silicon photovoltaic devices iec 60891 : 1987 a1 : 1992 ; german version en 60891 : 1994
晶體硅光伏器件實測電流電壓特性的溫度和輻照度修正In the hipib strengthening experiments, samples of high - speed steel ( w6mo5cr4v2 ) were irradiated by abstract hipib ( cn + = 30 %, h + = 70 %, ion energy 250 kev, ion current density 60 - 180a / cm2, pulse duration 80 - 100 ns ). microstructure investigation and properties characterization of the treated hss samples were carried out to investigate the effect of current density and pulse number of incident hipib on the surface modification treatment. the physical mechanism of the hipib - solid interaction was established based on the experiments
在hipib轟擊材料表面方面,本文選擇成分由c ~ ( n + ) ( 30 )和h ~ + ( 70 )組成、加速電壓為250kv 、脈沖寬度為80 100ns的hipib對高速鋼( w6mo5cr4v2 )進行表面輻照處理,研究離子束流密度和脈沖次數對高速鋼微觀結構和宏觀性能的影響,探討了hipib與材料表面相互作用的物理機制。The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc
系統基於斬波恆流驅動技術,按照頂層設計思想,採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架,設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等,利用該單片機獨有的hso和hsi介面及其強大的指令系統,實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制,在此基礎上,該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。The conclusion is that under the neutron and 7 - ray synthetical irradiation environment of a reactor, ionization effects of neutron on the vlsi made with cmos technology are weak, and that the displacement effects of neutron induces the decreases of mobility ratio and density of charge carrier, which causes the decrease of the total static current, so it compensates the increase of the static current caused by the synthetical ionization effects of neutron and - ray
對試驗結果綜合分析得出:在反應堆的綜合輻照環境下,中子電離效應較弱,並且由於中子位移效應引起載流子遷移率降低和載流子濃度降低,使得總的靜態電流下降,從而抵消中子和射線綜合電離導致的靜態電流增長。Current illumination relation
電流照度關系The predicted result by the model agrees with the experimental date from literature. the current under illumination and the responsivity change sharply with the biased voltage in the insaturation region can be explained by our model
所建立模型的理論計算結果與文獻報道的實測結果一致,該模型成功解釋在非飽和段穩態光照下電流與響應度隨偏壓快速變化的原因。The temperature sensing circuit adopts current - output mode taking pnp substrate transistor as temperature sensing device. according to the theory of the bgr, ptat and ctat can be generated from the circuit, and the former one is regarded as the initial signal which correlating to the temperature
溫度傳感電路以襯底pnp型bjt作為感溫元件,採用電流輸出模式,按照帶隙基準原理獲得與絕對溫度成正比( ptat )電流以及與絕對溫度成反比( ctat )電流,並以前者作為與溫度相關的原始電信號。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。Moreover, in order to represent the influence of temperature and irradiation to the characteristic of solar array, a physical mathematical model of solar array is established which based on short - circuit current ( isc ), open circuit voltage ( voc ), the voltage of mpp ( vm ), the current of mpp ( im ). the characteristic of solar array in varied temperature and irradiation can be established with the appropriated parameters deduced by the above model
為了能夠反映環境溫度、日照強度對太陽電池陣列的i - v特性的影響,系統建立了基於短路電流( i _ ( sc ) ) 、開路電壓( v _ ( oc ) ) 、最大功率點電壓( v _ m )和最大功率點電流( i _ m )的太陽電池陣列的工程化數學物理模型,該模型可以依據現場測量的數據確定任意照度、溫度條件下的特性參數,預估太陽電池陣列在不同溫度、照度下的特性曲線。Next, consulting current feedback control, the flux feedback control algorithm is designed. this algorithm has two loops, the inner loop is flux feedback loop, the outer one is air gap feedback loop ; the outer loop uses pid controller whose output is expected flux density, the inner uses the proportional or pi controller whose output is the magnet control voltage
其次,參照電流環控制的串級思想,設計出了基於磁通反饋的懸浮控制演算法,該演算法也採用雙環控制,內環為磁通環,外環為位置環;外環採用pid控制器,輸出為期望磁通密度,內環採用比例或比例積分控制器,輸出為電磁鐵控制電壓。Gan - based meta1 - semiconductor - metal ( msm ) structure ultraviolet photodetector has been one of the focuses of interest in recent years for its plane structure, fabrication simplicity, and easy integration. however, the mechanisms of the i - v characteristics under illumination, the photocurrent gain and the strong persistent photoconductivity ( ppc ) are still unexplained to this day
當前, gan基msm結構紫外探測器在穩態光照下的電流和響應度隨偏壓變化的關系、實驗中觀測到的光增益現象以及持續光電導效應( ppc ) ,都沒有明確的理論解釋,因此器件設計中難以保證gan基msm結構紫外探測器的性能。分享友人