測溫放大器 的英文怎麼說
中文拼音 [cèwēnfàngdàqì]
測溫放大器
英文
temperature amplifier- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 放 : releaseset freelet go
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
- 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
-
Study of intelligent aeronautic engine temperature - control amplifier testing system
航空發動機溫控放大器智能測試平臺的研製In the part of detector, it mainly introduces the design of liquor tubes, heater, pressurize, and thermocouple ; in the part of controller, this design uses tms320lf2407 as the cpu. the design part mainly introduces controller circuit design which mainly contains data collection circuit, prepositive magnifying circuit, a / d convert circuit, failure self - diagnosis circuit, the tms320lf2407 interface circuit, temperature control circuit, display circuit, 4 ~ 20ma standard signal output circuit ; in the software part, it mainly introduces software chart of main program and partly linearization subprogram design
檢測器部分重點介紹了導流管的設計、加熱器的設計、密封技術的設計以及測溫電路的設計;控制器部分以tms320lf2407為核心,重點介紹了控制器電路設計,主要包括數據選擇電路、前置放大電路、 a / d轉換電路、故障自診斷電路、 tms320lf2407介面電路、控溫電路、顯示電路、 4 20ma標準信號輸出電路共八個部分;軟體設計重點介紹了主程序軟體設計及分段線性化子程序設計。We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。In the part of the transmitter, the pre - amplifier logarithmic amplifier, temperature complement circuit, anti - disturbing circuit, and v / i circuit, are discussed. the transmitter outputs 4 - 20ma. in the part of the displayer hardware design, the i / v convert circuit and the flame intensity signal processing circuit are introduced
在探頭的設計中,詳細介紹了前置對數放大器電路設計,在對數放大器加入了溫度補償電路和抗干擾電路,以保證測量精度和較大的量程,最後信號經電壓電流的轉換,得到4 - 20ma的標準信號作為探頭的輸出信號,進行遠傳。A resolution method in software is applied to calibrate zero point and full scale of the circuit. software approach to nonlinear correction for sensor and circuit is presented. therefore system error is eliminated, and measurement accuracy of temperature is improved. the signal of acidity electrode is detected by a differential amplifier circuit, which consists of operational amplifiers tlc2254 with high input impedance and low drift
採用橋路和單運放差動放大電路對溫度傳感器信號檢測放大,軟體校正溫度傳感器和測量電路的非線性,軟體校準測量電路的零點和滿度,消除測量電路的系統誤差,提高補償溫度的測量精度;採用高阻、低漂移運放tlc2254組成高阻差動放大電路用於酸度電極信號測量。Compared with traditional feedforward, this paper presents an adaptive control method based on power detection minimization. with strong and fast digital signal processing ability, the adaptive system can control feedforward amplifier parameters exactly and suppress non - linear products at last by detecting changes of signals and environments
與傳統前饋法相比,本文加入了基於最小功率檢測演算法的自適應控制電路,對輸入功率變化、溫漂和器件老化等導致系統性能下降的擾動進行自適應調整,使功放的非線性失真在很大程度上得到改善。Wide plus fyd multi - channel wind pressure measure transmitter employ import high precision and stability chip, and adopts surface treatment technology of special aluminum alloy and stress isolated technology in the sensor transfer differential pressure signal into ma dc standard signal by precise temperature compensation and amplification treatment
Wideplus - fyd系列多路風壓測量變送器是選用進口高精度高穩定性晶元,並採用特殊鋁合金表面處理技術和傳感器應力隔離技術,經精密溫度補償及放大處理,將差壓信號轉換成420 ma dc標準信號。Wide plus ds series single - channel wind pressure measure transmitter employ import high precision and stability chip, and adopts surface treatment technology of special aluminum alloy and stress isolated technology in the sensor transfer differential pressure signal into ma dc standard signal by precise temperature compensation and amplification treatment
Wideplus - ds系列單路風壓測量變送器是選用進口高精度高穩定性晶元,並採用特殊鋁合金表面處理技術和傳感器應力隔離技術,經精密溫度補償及放大處理,將差壓信號轉換成420 ma dc標準信號。Theoretical analysis and simulation results demonstrate that asymmetries in lower and upper sidebands and imd magnitude variation depending on envelope frequency and junction temperature can appear, these results are in accordance with measurement results, and show that electrical and thermal memory effects exist
理論分析和模擬結果表明功率放大器上下邊帶不平衡和互調失真幅度依賴于包絡頻率和結溫,結果和測量的結果是一致的,說明存在電和熱記憶效應。The disease in jaw surface will be drop the bite force ; the bite force in the patient who disease in temporal jaw joint descent obviously than normal person ; serious mistake in join deformity, the acute damage in the area arthritis can also drop the bite force evidently ; compare to normal children, wenneberg fund that the bite force lower and the duration of the biggest bite force shorter in the children who fall ill of the chronic arthritis ; the bite force also be used in appraise of the recovery condition in surgical operation 、 disorder in jaw arthritis and the serious bone offset in bite lopsided etc. some materials, it will be produce polarization phenomenon inside when suffered some force in certain direction, at the same time, it produce opposite electric charge in two of the surface ; and resume to the station of on - electrification when removed the outside force ; change the direction of the outside force, the polarity of the electric charge also be changed, this kind of phenomenon is called as “ piezoelectric effect ”
本文設計了石英晶體壓電傳感器,以它作為傳感元件把咬合力信號轉變成電信號;利用ts5860型準靜態電荷放大器把傳感器的電荷信號轉變成電壓信號;選用usb7822數據採集卡,編寫該數據採集卡的驅動程序,採集該電壓信號並送到計算機里;編寫labview程序對該信號進行處理,得出咬合力值和咬合力曲線,並把測量結果以電子表格的形式保存,以便做進一步的分析和研究。通過對該測量儀的靜態標定、動態標定、溫度漂移標定以及實際測量試驗,證實了本測量儀具有較高的靈敏度、受動態力和溫度變化的影響比較小、能實時地顯示咬合力曲線和較準確地顯示咬合力值,滿足了咬合力測量的要求。The press instrument has many advantages, for example the measure range is 0 ~ 60mpa, the precision is one percent, and the hydraulic press of two roads was sampled every five minutes. this system makes use of the " data fusion " technique to compensate measuring errors caused by temperature changing. the press instrument has large storage space and can store about thirteen day ' s press data
該測試儀的主要特點是:測量量程為0 60mpa ,精度為1 ;每5分鐘採集一次兩路通道液壓壓力值;採用「數據融合」技術進行溫度補償;數據容量大,能存放約13天的壓力數據; led顯示器可交替顯示兩路壓力值;無線數據通信功能,傳輸速率為9600kbps ;採用本安設計,可安全的應用於環境復雜的煤礦井下。The paper analyzes in detail the mechanics and optics theory. in the light of the characteristic of the intensity modulation optical fiber sensor, the reference - way is presented to compensate the error signals which are caused by the bias light, dark current of photoelectric detector, temperature drift of pre - amplifier
文中詳細分析了這種傳感器的力學和光學工作原理,並且針對所選用的強度調制型光纖傳感器的工作特點,提出採用參考通道補償由於背景光、光電探測器的暗電流、前置放大器溫漂等因素引起的誤差。In this dissertation, a boa - type waveguide optic switch with double - heterostructure gaas / gaalas has been researched. gaas - based integrated optical devices have good temperature, good anti - radiation and optical - transmission characteristics, and also have wide transparent range of wavelength. they can also be integrated on a chip with optical active devices and electronic devices, such as semiconductor laser, optical modulation, optical amplifier, pin, and so on
基於gaas材料的集成光學器件不僅具有良好的光傳輸特性、溫度特性、抗輻射能力和其較寬的透明波長范圍,還有望進一步實現晶元與光源、光調制器、光探測器和半導體光放大器等其它光電器件以及集成電路的單片集成;採用gaas gaalas雙異質結材料製作的光開關可以得到較低的開關電壓,而且採用gaas gaalas異質結材料的光傳輸損耗很小。The integrated amplifier guarantees a minimal temperature drift, long term stability, and reproducability of the measured values
集成在傳感器中的放大器保證了最小的溫度漂移,同時具有長期的穩定性,和好的測量重復性。In the sixth chapter, firstly a high accuracy bandgap reference circuit has been presented, which has the characteristic of temperature coefficient much better than that of the same circuit of the world, and then a noval high drive capability cmos operational amplifier has been proposed, which are all suitable for the application of communication integrated circuit system
第六章:提出了一種新的高精度帶隙基準電壓源電路,實測該電路的溫度系數指標遠遠優于國際同類結構電路的溫度系數指標,接著提出了高驅動能力全差分運算放大器電路。Pin diode used as thermo sensor and heating component in this method, low frequency pulse power amplifier is used to substitute rf power in thermo - resistance measurement, and pulse wide compensation is used in dissipation measurement, then equipment require reduced and flexible of equipment rising
該方法以pin二極體作為感溫元件和發熱元件,採用功率脈沖源來代替射頻功率放大器對器件進行加熱進行熱阻測試,使用占空比補償法進行功耗測試,大大降低了設備要求,提高了測試設備的通用性。分享友人