正比計數器 的英文怎麼說
中文拼音 [zhēngbǐjìshǔqì]
正比計數器
英文
proportional counter- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 數 : 數副詞(屢次) frequently; repeatedly
- 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
- 正比 : [數學] direct ratio; direct proportion
- 計數 : count; tally; counting計數卡 numbered card
-
The structure of air - blast pipe was improved on. an orienting object was installed based on theoretical analysis, that increase the spraying span. it has been found that both spraying span and droplets uniformity improved, by installing the orienting object. according to the results of a great number of experiments, orderliness of droplets diameter along the spraying span was researched, and rational spraying span of air - assisted sprayer was suggested
通過試驗檢驗噴霧機樣機的噴霧性能,並提出對各項參數的優化設計方案。通過正交試驗和對比試驗對霧滴取樣,證明導流器的安裝不僅增加了噴幅,而且還提高了霧滴均勻性系數。根據大量試驗的結果分析,找出了霧滴直徑在噴幅方向上所呈現的變化規律,並提出了合理的噴幅范圍。The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division
本課題引入了數字時分割( pwm )脈寬調制技術,在測量的準確性、硬體電路的簡化等方面都比模擬乘法器具有較高的優越性。所謂合理的計量電能,就是不計非線性負載回饋給電網的負的諧波電能,而採用基於數字時分割的基波交流參數測量的方法,真正實現了電能的合理計量。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。The basic technologic scheme on microwave transmission, currently maturate and advanced microwave transfer technology and equipment, efficiency slot gap antenna, character quality filter, mixer, exact crystalloid concussion apparatus, power backspacing technology, pre - distortion adjustment. furthermore, the technologic schemes practicing using multilevel microwave transfer technology in some areas such as lengshuijiang is introduced in the paper
採用了當前比較成熟、先進的微波傳輸技術和設備,如高效的縫隙天線、高品質濾波器、混合器、高精密的晶體震蕩器、功率回退技術、預失真校正技術,結合工程實際,設計了湖南電廣網路33家合資公司的mmds無線微波數字電視覆蓋的基本技術方案,和個別地區(冷水江市數字微波工程)的多級微波傳輸的具體技術方案。Afterthe 24 / 7 era with the belt, which saw hundreds of title changes withinmere months, rob van dam entered the company, and after a fantasticmatch at invasion in 2001, the tile was back on solid ground, withgenuinely good matches showcasing off the no - limits hardcore style, with minimal weapon usage, and creative use of both weapons and thering area
經過24 / 7時代,隨著帶中,出現了數以百計的所有權變動短短幾個月,搶劫麵包車大壩進入公司,而經過一段奇妙比賽入侵2001年瓷磚回到腳踏實地,真正好的比賽中展示過的無界限死硬作風,最小武器用法,並創造性地使用武器和環區On - site measurements of parameters such as temperature, ph, turbidity and dissolved oxygen are made using the multiparameter water quality measuring probe, and recorded in the data logger. the readings obtained are then compared against the normal ranges from that station, and any unusual readings result in a second set of measurements being made to check the validity of the initial reading
另外,工作人員利用多參數水質計量儀實地量度多項水質參數,包括水溫酸鹼度混濁度及溶解氧,將測量結果記錄在數據記錄器內,再與該監測站的正常參數范圍比較,核實數據的真實性。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。The conclusion is that inductive electromotive force, gotten from sensor with the distribution regularities of weighting function, is proportional to the average flow velocity in pipe and is not relevant to the distribution of flow velocity when flow velocity is non - central symmetry with the central axis. so electromagnetic flowmeter could solve the question of high accuracy in principles
得出按權重函數分佈規律的傳感器,在流速非中心軸對稱分佈時,感應電勢僅與平均流速呈正比,而與流速分佈無關的結論,從而從原理上解決電磁流量計了高精度測量的問題。The standard sine waveform is generated by looking up the sine table, and the triangular carrier waveform is produced by a reversible counter
Spwm信號的產生採用正弦波與三角載波比較的方法,標準正弦波採用查表法實現,三角載波用可逆計數器實現。The scheme of this project is : firstly, completing a automobile obverse impact dummy and preparing a special digital signal analysis system ( including sensors, a signal pretreatment, a signal collection, a digital signal process software ) ; secondly, this dummy will be used in impacting experiments to check its signals response and bio - response characteristic through comparing sensors in difference parts of the dummy that are suffered one impact ; thirdly, the bio - mechanics characteristic of the dummy will be demonstrated by nationality automobile safety testing center
該課題的設計思路為:研製汽車正面碰撞假人一個;設計專用的數字信號分析系統一套(包括傳感器、信號預處理、信號採集和數字信號處理軟體) ;將假人作簡易碰撞試驗以檢驗是否有響應信號,並對不同部位的傳感器在受到相同沖擊的情況下產生的響應信號進行對比以驗證假人的生物力學響應特性;假人的生物力學特性由國家汽車檢驗中心進行標定試驗來論證。This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved
本文提出了一種採用修補spwm正弦表值的方法,用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變;逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器,提高了系統的動態響應指標;系統設計了完善的保護措施,並具有市電電網的故障診斷功能。External diameters of cylindrical radiation probes containing geiger - m ler or proportional counter tubes or scintillation detectors
裝有蓋格-彌勒計數管或正比計數管或閃爍探測器的圓柱輻射探頭的外徑Calibration and usage of alpha beta proportional counters
正比計數器的校正與使用Nuclear instrumentation - calibration and usage of alpha beta gas proportional counters
核儀器儀表.氣體正比計數器的校準和使用Iec 6 nuclear instrumentation - calibration and usage of alpha beta gas proportional counters iec 62089 : 2001
核儀表設備.氣體正比計數器的校準和使用Made up with a low - power - consumption x - ray tube, proportional counters, preamplifiers, amplifiers, ad converters and multichannel analyzers, an xrfa system is economical and practical and is widely used on scientific research and industrial automatic process control
由低功耗x光管、正比計數器、前置放大器、主放大器、 ad變換器以及多道分析器組成的系統是經濟、實用的x熒光分析系統。它在科學研究和工業自動化過程中得到廣泛的應用。Practice for secondary calibration of airborne particle counter using comparison procedures
用比較程序進行氣載顆粒計數器二次校正慣例Therefore, the paper establishes the parallel computing platform and meets the demand of computing resources for large eddy simulation. it also studies the integration of cad / cam, grid generation system and cfd system, and brings the model computed in the paper into this system. on the bases of systematical and thorough numerical simulation researches in circular cylinder and the compares between instantaneous piv metrical results and numerical results of circular cylinder, the paper obtained some problems and several conclusions which should be noticed in les for making correct computatioa finally, by using these experiences and conclusions above and by putting them into an actual problem in engineering - optimized numerical simulation of static mixer, this paper achieved the turbulent high - level numerical simulation technique, i. e., system atical attempt in engineering application by les method
為此,搭建了微機并行計算平臺,解決了大渦模擬對計算資源要求;對cad cam 、網格生成與cfd系統集成進行研究,並將論文中所要計算的模型納入到此系統內;在對圓柱繞流問題進行了系統和深入的數值模擬研究和對圓柱繞流瞬態piv測量結果與數值計算結果進行比較工作基礎上,得到大渦模擬方法正確計算所需要注意問題和若干結論;最後利用以上得出的計算經驗和結論,通過對一個實際工程問題? ?靜態混合器優化的數值計算,完成了cfd中湍流高級數值模擬技術? ?大渦模擬方法工程應用的系統嘗試。Standard practice for secondary calibration of airborne particle counter using comparison procedures
用比較法對空中游離微粒計數器進行的二次校正的標準實施規程At last, a design example problem of column - gear speed reducer is made. contraposing design character of gear driver, attain the solution of mathematic model of robust optimal design and compared to that of common optimal design. the results show that the gear driver by robust optimal design is higher power to resist disturb and good quality stability and high reliability
為了證明隨機模擬試驗的穩健優化設計方法的正確性、可靠性和實用性,本文以某二級圓柱齒輪減速器為設計實例,針對齒輪傳動的設計特點,運用隨機約束方向法對穩健優化設計數學模型進行求解,並將一般優化設計結果與穩健優化設計結果進行比較、分析,結果表明穩健優化設計得出的齒輪傳動系統抗干擾能力強,質量穩定性好、可靠性高。分享友人