求積計數器 的英文怎麼說

中文拼音 [qiúshǔ]
求積計數器 英文
totalling meter
  • : Ⅰ動詞1 (請求; 要求) ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 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...
  • : 數副詞(屢次) frequently; repeatedly
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 計數 : count; tally; counting計數卡 numbered card
  1. So, this paper researches the principle of measuring system of insulating oil dielectric loss and volume resistivity. during the measuring process, the insulating oil must be heated and kept at 90 in 15 minutes. medium - frequency induction heating method is presented to instead of the electrical resistance furnace heating method on chapter 2, and a kind of subdivision - controlled integral - separated digital pid algorithm is designed to control the medium - frequency induction heating apparatus

    本文對恆溫控制系統進行了研究,提出了以中頻感應加熱方式取代原有的電阻爐加熱方式,設了一種分段控制的分分離式字pid控制來控制中頻感應加熱裝置,並通過通信設將恆溫控制系統與介損及體電阻率測試系統有機結合為一體機,實驗結果表明該恆溫控制系統完全滿足介損及體電阻率測試中的控溫要
  2. During the procedure of system design and implementation, the author has made some innovative efforts such as : ( d establishing the user interest orientated model, the model receiving user interests continuously and conjecturing user interests by interaction with the user, accumulating user preferences in information demand, thereby achieving self - adaptive retrieval, ? roviding a feedback method which is based on the human - machine interaction, summarizing the user operations on the interface of result presentation, and designing an algorithm for capturing user operation behaviors, by which the changes in user interests and preferences can be learned potentially, ? ffering a method for user interest mining which can extract subjects of information confirmed by user, thereby conjecturing or predicting different kinds of expressions of the same interest or extracting the new interests or unexpressed interests, ? roposing a solution of personalized internet information retrieval based on the user interests in accordance with the above - mentioned work, the solution having very strong feasibility and practicality with taking user interest model as center, employing machine learning ( active learning and passive learning ) and data mining as tools, and being assisted with network robot,

    Piirs系統分析與設過程中所做的創新性的嘗試主要有以下幾個方面:實現了基於用戶興趣的用戶模型,該模型通過與用戶的交互(主動交互和被動交互) ,不斷地接收用戶的興趣和推測用戶的興趣,累用戶信息需的偏好,實現自適應的檢索;提供了一種基於人機交互的反饋方法,對用戶在結果呈現界面上的操作進行了歸納總結,設了用戶操作捕獲演算法, 「隱性地」學習用戶興趣和偏好的變化;提供了一種用戶需挖掘的方法,對用戶已確定的信息做進一步的主題挖掘,由此推測或預測用戶同一興趣的不同表述方式或者挖掘出用戶新的或未表達出來的興趣;在上述工作基礎上提出了一套完整的基於用戶興趣的個性化網路信息檢索的解決方案,該方案以用戶興趣模型為中心,以機學習(主動學習和被動學習)和據挖掘為手段,輔以網路機人,具有很強的可行性和實用性。
  3. O ur joint ventures compose of hong kong and china mainland companies, the prophase company was founded in 1989, which is specialized in producing pvc inflatables & high frequence products, the products have been exported to western countries and asia, we have almost 200 high frequence machines, the most power is 180kw, which welding area is 3. 5x4. 2 meters, our salesmen own rich experiences and can design products according to the request, or follow the photos or samples. we have serious management system, correct delivery time, whatever the order is big or small we would support constantly with high quality 、 best price and good service

    本公司為中港合資企業,前身成立於1989年,專業生產pvc充氣製品、高周波產品,產品遠銷西方各國、東南亞及國內市場,擁有大小高周波機近二百臺,最大機臺180kw ,熔接面可達3 . 5x4 . 2米,業務人員擁有十年經驗,可依據要產品,或來圖樣訂制,並設有嚴格的管理體系,準確的交貨期限,一如繼往的專業精神,不論訂單大小,我們都以一流的產品質量,合理適中的價格,良好的服務,為客戶的商務活動提供可靠的支持
  4. 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人的運動學及其本體緩沖設進行了探討,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學模型,推導出了一個通用的移動機人堆方程,在此基礎上分析了移動機人的移動能力、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,推導了移動機人上點及連桿坐標系位姿、速度變換關系矩陣及解方法;在移動機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人給出了一種比較系統、可靠的緩沖結構設思路,較好地解決了移動機人作業過程中外界因素及本身設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是切實可行的。
  5. Using piezoresistive accelerometers and magnetoresistance sensors measure the dynamic acceleration and geomagnetic field and through avr mcu software to calculate the attitude angular and azimuth. the fact of affecting the module is discussed in detail in this report and put forward the resolving scheme of key technology of digital filter, linear compensation, temperature compensation and magnetic field adjustment. the digital module has advantages of small size, light weight, low conception, high accuracy, all solid state and high reliability

    本課題採用壓阻式加速度和磁阻傳感分別測量重力加速度和地磁場,通過avrmcu軟體解算出姿態角和方位角,課題詳細分析了影響模塊性能指標的因素,就字濾波、線性補償、溫度補償、磁場修正等關鍵的技術問題提出了可行的解決方案,研製的字化模塊具有體小、重量輕、低功耗、精度高、全固態、高可靠等特點,所有性能指標均滿足設,為姿態角測量提供了有效的手段。
  6. This article according to the acquirement of the system parameters such as : temperature sensitivity 、 angle resolution 、 image forming time etc to design the type and diameter of the antenna ; the receiver type, integral time, rf gain, lpf gain ; the mode of calibration ; the sample frequency and program of the daq ; the scanning time, scan type, etc

    本文根據系統溫度靈敏度、角解析度、成像時間等參,對系統天線類型、直徑,接收機類型、分時間、射頻增益、視頻放大增益,定標方式,據採集卡的采樣頻率、編程及驅動裝置的掃描速度、掃描類型等進行了詳細的分析設
  7. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率算和生物質能量利用率算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem分法和p函對其動力學參進行了解,解析出各種生物質的頻率因子和活化能參,進而建立了各種生物質的熱解動力學模型,為科學確定反應的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應固相滯留時間設和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設學原理,推導、建立了轉錐式閃速熱解反應物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應的最小錐角設、錐壁強度設、生產能力設理論和功率算方法及臨界轉速理論等。
  8. So, a new criterion about the area calculation of the house appears. according to that, the area of the house equal to the sum of the practical area and the area of the wall section. the latter can be calculated on the criterion easily

    測量儀的測量房屋套內面的設想是通過步進電機驅動激光測距傳感旋轉每一步距角,對距離據進行每步採集保存,轉滿一周后對相鄰距離值構成的三角形面進行和而得到面
  9. The rotation control technology in the laser gyro strapdown inertial navigation system was studied. the method of realizing closed - loop digital control with rlg located in the strapdown inertial navigation system was discussed. the structure of rotation servo system was introduced. the designing method and process of the digital controller were given. the method of implementing digital controllers by means of computer and software flow were demonstrated. the result of simulation and debugging of this system showed that it fullfills the requirment of the strapdown inertial navigation system. it assures the stability of rotation and solves the problem of striking without increasing the volume and cost of the system

    研究激光捷聯慣導系統中的轉位控制技術.採用捷聯慣導系統本身的rlg實現轉位系統的閉環字控制,給出了轉位伺服系統的結構組成以及字控制的設方法和設過程,給出了字控制算機實現方法和軟體流程.模擬及調試結果表明,所設的轉位伺服系統滿足捷聯慣導系統的要,既保證了轉動的平穩性,克服了到位撞擊問題,又不增大體、增加成本
  10. In order to make good use of solar energy, this article elaborated the digital models in annual calculating expense by the combination of solar energy collector with auxiliary power ( electricity heating ), and how to minimize annual calculated expense, together with several actual engineering instances to demonstrate

    為了更好地利用太陽能供暖,本文僅從經濟評價的角度,建立太陽能集熱和輔助熱源(電加熱)聯合供暖年算費用的學模型,尋使年算費用最小的集熱,並舉出工程實例加以說明。
  11. It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc. based on the detailed analysis of the exchange ' s architecture and implementing, this thesis points out some disadvantages of the device, such as too many absolute components, not very high enough reliability and security, very large size and weight, operating and maintaining difficultly. considering low power requirement and man - machine interface optimizing design at the same time, the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing, timing frequency producing, 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding, latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface

    本項目以該交換機為研究對象,在詳細分析原設備的系統結構和功能實現方式的基礎上,指出該機型在使用過程中存在技術相對陳舊、分立元件過多、可靠性和保密性不夠、體大、重量大、維修困難等問題,同時結合系統的低功耗需和優化人機介面設,本文提出基於「單片機+ cpld fpga體系結構」的集成化設方案:在cpld中實現信號音分頻和時頻率生成電路、 20路用戶led狀態控制電路; cpld與單片機以總線介面方式實現譯碼、據和控制信號鎖存功能的vhdl設;基於低功耗設件選型方案和單片機待機模式設;人機介面的lcd菜單操作方式。
  12. Based on the down - hole working condition and the required capability of the reducer, the mathematic module for the reducer optimal design as the function of minimum volume is proposed, the design variable and restrain conditions are determined, and by solving the optimal module, the optimal parameters of the reducer are obtained

    根據井下工作的實際條件和要的減速傳動性能,建立了以減速最小為優化目標的減速優化設學模型,確定了優化設的設變量和約束條件,通過編寫程序運行,完成了對優化模型的解,得到了減速的最佳傳動參
  13. For the image acquisition of optical scan mode, normally, ccd image sensor is used to capture image, but in our system, due to the system request of micromation and high integration, cmos image sensor is adopted as the image collection device, and then the thesis gives a interface circuit between the chip and dsp and a control solution of image collection ; toward the information storage in our solution, dsp is directly linked to usb host chip and it is the dsp that accomplishes the processing of usb protocol and interface control so as to reduce the cost, minimize product cubage and consequently meet the requirement of system micromation ; at the same time, the thesis probes preliminarily into usb otg ( on - the - go ) technology, which offers an approach between embedded machines including pda, mobile phone, printer, digital camera and so on ; in addition, some attempts on the other application area with tms320vc5402 which was commonly used to voice processing and static image processing are done, for example, to arrange the chip to control lcd module directly

    在圖像的光電掃描輸入上,傳統方案大部分採用ccd型圖像傳感,而在本方案中,根據系統微型化、高集成的特點,使用了cmos圖像傳感作為攝像件,並且設了該晶元與dsp的一種介面電路以及圖像採集控制方案;在信息存儲上,本方案採用dsp直接與usbhost晶元連接,由dsp處理usb協議和介面信息,從而降低了系統成本、縮小了產品體,滿足了系統微型化的要;同時本論文也對usb - otg技術進行了初步探討,利用此項技術,不再需要算機作為主機,就能實現在pda 、移動電話、印表機、碼相機等嵌入式應用之間直接互聯通信;另外也對廣泛用於語音處理和靜態圖像處理的tms320vc5402其它方面的應用進行了嘗試,比如直接控制液晶顯示等。
  14. Shiphandling simulator is a device that can partly imitate the true environment at sea , and is specially designed to satisfy marine education and trains and maritime research etc. one of its key techniques is to create the virtual environment at sea , and the terrain is its important component. according to the needs of the real time visual display of the shiphandling simulator , this paper analyses the requirements of the geometry precision of the important islands and background hills which are within the ships ' visible scope , and brings forward the modeling methods of the hill ' s pileup and the hill ' s silhouette edges based on contour lines. it also presents the definition of error that the hill ' s silhouette edges graph has been given and the effective scope of application , and firstly established the error criterion of terrain model that is built in shiphandling simulator. with these two kinds of method , the size of data storage can be minimized greatly , and the requirements of high update rate and geometry precision for the real time visual display of the shiphandling simulator can be satisfied

    船舶操縱模擬是一種能夠部分模仿海上真實情況,專門為滿足航海教育與培訓、航海技術研究等目的而設研製的裝置,其核心技術之一是海上視景模擬,而地形地貌是海上視景中的重要組成部分.根據船舶操縱模擬實時視景顯示的需要,在分析航行船舶對可視范圍內重要島嶼與背景山脈的幾何精度要的基礎上,提出了基於等高線的山形堆建模和山形輪廓建模方法,並給出了山形輪廓圖形的誤差定義、有效適用范圍,以及船舶操縱模擬中地形建模的誤差準則,該方法生成圖形的據量較小,其圖形更新速率與幾何精度能達到船舶操縱模擬實時視景顯示的要
  15. The factors that have effect on the car ' s emission such as cleaning inside engine, size of three - way catalytic converter and leakage of exhaust system etc have been tested and analyzed, and some related parameters are determined. in order to ensure that the emission meets the requirements of the euro ii standard at one time, to pass the examination of 80000km durability, and to achieve excellent performance indicator while assuring the emission requirements, the design of intake manifold and camshaft profile is optimized, the test of engine performance and car ' s emission and environment performance have been conducted. through comparison by test, it is shown that the carburetor engine after retrofitting to electronic fuel injection engine has achieved good level in terms of emission and performance, and has been upgraded to the same level as the engine of japan mitsubishi and suzuki

    為了滿足國家環保法規不斷提高的要,本文對化油式發動機改造成電控燃油噴射式發動機進行了研究與開發;確定了工程方案和開發目標;對機內凈化、三元催化、排氣系統漏氣等對整車排放的影響進行了試驗和分析,確定了相關參;為了確保對整車排放的影響進行了試驗和分析,確定了相關參;為了確保排放一次通過歐標準,並完成8萬公里耐久性考核,在確保排放的同時達到良好的性能指標,對進氣歧管、凸輪軸型面的設進行了優化;並進行了發動機性能測試,整車排入測試和環境性能測試。
  16. In this paper, a three - dimensional ( 3d ) program for the three - dimensional reactive flow fields of complicated geometric nozzle, which governed by the compressible full navier - stokes equations with realizable k - s turbulent model, has been upbuilt by using full implicit couple arithmetic and fvm ( finite volume method ) based on understanding and assimilation of a two - dimensional program group of cr ( chamber - radon ). the new program fulfils the urgent need of numerical tools for simulating three - dimensional reactive flow - fields of hylte ( hypersonic low temperature ) and other latest nozzles, for which cr is out of action in simulation, and can be applied to simulate other chemical laser system, such as chemical oxygen iodine laser ( coil ), overtone fluoride hydrogen, all - gas iodine laser, and so on. furthermore, some related topics about nozzles design and engineer ing also have been discussed

    本文在二維cr ( chamber ? radon )程序研究的基礎上,採用有限體方法和完全隱式的耦合演算法,通過解帶realizablek -兩方程湍流模型的多組分、有反應的三維完全納維埃?斯托克斯( n ? s )控制方程,建立了一套能夠對復雜形狀的三維噴管和光腔進行值模擬的三維程序,解決了連續波df hf化學激光增益發生缺乏三維值模擬工具的問題,並用該工具解決了cr程序無法實現的hylte等復雜三維噴管流場的理論模擬問題。
  17. In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf

    首先研究了干凈壁流式過濾體的加熱特性,然後在加熱和燃燒理論的基礎上建立了微粒捕集再生過程的學模型,並對模型進行了算,得到了捕集內部的三維溫度場分佈以及溫度梯度分佈,結果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集的再生機理,建立了孔道單元學模型,得到了孔道內的溫度場分佈和微粒反應速率分佈;最後,通過解模型在不同邊界條件和不同幾何參下的值解,分析了各種因素對再生過程的影響,如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉量以及過濾體壁面厚度,為微粒捕集的優化設提供理論指導。
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