range of speed 中文意思是什麼

range of speed 解釋
速度范圍
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  • of : OF =Old French 古法語。
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  1. The control system with such method is simulated and a inverter is made for speed control of single - phase motor. the method presented in this paper offers such advantages as easy implementation, large range of frequency and rapid dynamic response. furthermore, using this method, the single - phase motor with symmetrical or dissymmetrical windings can operate symmetrically

    本文提出的變頻調速控制方法具有系統設計簡單易實現,調速范圍大,動態響應快等特點,而且在電機繞組對稱和不對稱兩種情況下均可實現變頻調速的對稱運行。
  2. She offers an outstanding range of machinery in the granite and marble processing cycle, including gang saws ang slab polishing lines. in the past years, she held and reached the change of industrial structure. the pioneering technology and the hope of customer are always reflected in the producs with the quickest speed. shengda products shared chinese market and worked well in many cuntries such as italy, usa, australia, turkey, thailand, etc. she is perfecting selling and service networks in allover the wold, shengda allows the customers to keep down the manufacturing costs to better environing conditions and to reach the top quality standard suitable for market requirements

    在科技研發方面,公司以博士後作為負責人,構建了一個由多名高科工程師工程師組成的研發團隊,使公司技術始終領先同行,形成生產技術上的優勢,通過技術改造產品開發技術攻關技術引進,以最快的速度將最新的石材加工技術和客戶的需求反應到產品生產中,使技術和設備走在同行的前端,產品保持國內外同行先進水平,出口到義大利美國澳大利亞韓國和泰國等幾十個國家,受到了石材加工業者的青睞。
  3. Analysis of range and speed of image guided missile

    圖像制導導彈的射程和速度分析
  4. In this paper, on the basic theories foundation study of summary people of the past, aiming directly at whether the shelter forest can deposit the sand and how powerful it can. we select the oasis in ulan buh desert as the study plot, and study the function of the shelter forest reduce the " sand " and " dust ". we draw the following conclusion. first, in the fixed and semifixed sand lands, which grow the natural sand - binding plants, the coverage of plant in the fixed and semifixed sand land is 26. 4 % and 10. 3 %, respectively, the amount of sand drift decrease 93. 38 % and 81. 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground

    本文以前人的研究為基礎針對「防護林體系是否有降解作用,有多大的降解作用」這一問題以烏蘭布和沙漠邊緣的防護林體系為研究對象,研究了防護林體系對「沙」 、 「塵」的降解作用,得出以下結論: ( 1 )在距離地表0 - 40cm范圍內,同一風速下生長有天然固沙植物,植被蓋度分別為26 . 4 、 10 . 3的固定、半固定沙地上,地表起沙量分別比無植被生長的流動沙地降低了93 . 38 、 81 . 91 。
  5. In the vscf system, the tip - speed ratio of wind turbine is almost retained at a constant value during a wide range of wind speed, which can improve the efficiency and stabilization of the system. it also can be connected to the grid without any voltaic strike

    交流電機變速恆頻風力發電系統是20世紀70年代中後期以後逐漸發展起來的一種新型發電系統,變速恆頻風力發電技術因其高效性和實用性正受到國內外越來越多的重視。
  6. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比,汽車空調的工作環境惡劣,條件差,控制難度要增加很多,主要體現在以下幾個方面:一是車外熱負荷變化大,難以確定控制參數;二是要求空調負荷大,而且要控制空調使其降溫迅速:三,不便於用電力作為動力源,必須用汽車發動機或輔助發動機來帶動壓縮機,當採用汽車發動機作為動力源時,由於汽車的車速變化大,發動機轉速的變化可從600r min到4000r min ,壓縮機轉速與發動機轉速成正比,其轉速變化高達7倍,給空調系統製冷劑流量控制帶來困難。
  7. Processing area : 15001250mm laser power80w ; mainly used for acrylics cutting, processing of wood graphs, leather cutting and engraving ; fast and powerful ; maximum moving speed : 1500mm s ; dsp industrial - strength usb high - speed control ; edited by cad or coreldraw ; laser top can be adapted in the range of 40mm ; resolving power : 0. 015mm

    能度快。能力強最大移動速度1500mm s , dsp工業級usb脫機高速控制cad coreldraw編輯直接出分辯率0 . 015mm ,激光頭上下40mm可調。
  8. 1 it has great drilling capability, wide range of application, rapid drilling speed and high drilling efficiency, as well as powerful ability of eliminating accident

    二鉆機特點1鉆機鉆進能力強,適用范圍廣鉆孔速度快,處理事故能力強,鉆進效率高。
  9. In this thesis, the characters of the high - speed maglev transportation safe speed protection system are introduced firstly in chapter one. subsequently, the realization of the speed curve watching function that is one of the core safety functions of the maglev train ' s operation control system is discussed carefully in chapter two. in chapter three the arithmetic of the maglev train ' s safe speed curves is discussed, including the safe braking speed upper limit curve, the safe braking speed lower limit curve, the safe speed upper limit curve and the range of the maglev train ' s safe operating speed

    本文首先綜述了磁浮高速鐵路系統安全速度防護系統,第二章對運行控制系統的核心防護功能?速度曲線監控功能的實現作了詳細的論述,第三章則給出了速度曲線監控功能中磁浮列車安全速度防護曲線的演算法,包括磁浮列車安全制動上限速度防護曲線、磁浮列車安全制動下限速度防護曲線、磁浮列車安全速度防護上限曲線和高速磁浮列車安全運行速度的范圍。
  10. The results show that the inertial forces have less effect on deformation of ballistic spring within a limit range of rotation speed, and the deformation can be ignored

    分析表明,在通常轉速范圍內,旋轉慣性力對彈道簧變形影響很小,可以忽略。
  11. Two klimov tv3 - 117v turboshafts provide a top speed of 250 kmh and a range of 800 km. upto 2000 kg of disposable stores can be carried in a lower - fuselage weapon bay, and generally comprise two torpedoes or depth charges

    動力裝置為2臺tv3 - 117v渦軸發動機,單臺功率1660千瓦,可安裝吊掛聲納聲納浮標磁異探測器雷達告警接收機紅外干擾器,並可載魚雷深水炸彈等。
  12. 4. achieved the high - speed colliding experiment of landslide for the first time, the paper studies the volume distributing ruler of different velocity segment after collide, fits the experiment data via extreme function, obtains the value range of the shape parameter, thereby gets the distributing function of all part of landslide after collide. on the base of above, the paper studies the accelerating effect of partial rock - mass because of colliding, and acquires the relation between accelerating volume and overall volume, and colliding velocity

    ( 4 )首次進行了滑坡巖體的高速碰撞模型實驗,研究了碰撞解體后不同速度段巖體體積的分佈規律,並應用峰值extreme函數對實驗結果進行了數據擬合,確定出了各形狀參數的取值范圍,從而得到了滑坡巖體高速碰撞后不同塊體的分佈函數,並在此基礎上研究了滑坡巖體碰撞後部分巖體的加速運西南交通大學博士研究生學位論文第2頁動效應,得出了獲得加速的巖體比例與滑坡總體積及碰撞速度的關系。
  13. Being a market leader in the electrical transmission and distribution field, mpcl has been providing a wide range of heavy electrical equipment including power transformer, high voltage switchgear, variable speed drive, etc

    作為輸配電行業的先驅,明電太平洋提供一系列強電電器設備,包括電力變壓器、高壓開關等。
  14. Conclusions are drawn as follows : ( 1 ) regulating the electromotor speed by adjusting the input voltage is easy to carry out, and it can be used in most of the oil fields ; ( 2 ) good energy - saving effect can be achieved under the condition of light load on the motor ; ( 3 ) the voltage cannot be regulated in a large range, and the optimal range of the voltage regulation is less than 10 % of the rated voltage

    由此得出結論: ( 1 )調電動機端電壓調速方法簡單,一次性投資少,易於實現,對於一般的油田都適用; ( 2 )調壓調速只有在輕負荷時,即在負荷遠未達到滿負荷時才有一定的節能效果,適用於油田普遍存在的「大馬拉小車」的情況; ( 3 )電動機調壓調速的范圍不能太大,電壓調整的最佳范圍為額定電壓的10 %以內。
  15. In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm

    本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎,重新設計了以dsp為控制核心的控制系統,主要解決原系統存在的以下問題: ( 1 ) pc機既要實時控制數據的採集與發送,又要進行圖像的后處理,整個系統的實時性難以達到要求; ( 2 )隨著spm功能的擴展,一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能,另一方面也意味著自動控制量的增加和數據處理量的增加; ( 3 ) 16位a d 、 d a都採用的是購買的板卡,也通過isa槽插在pc機內,成本高,不利於擴展; ( 4 )另外,數字板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。
  16. Reasonable range of speed regulation of pipette grinding apparatus and allowable value of wobble amount are determined by means of test

    通過試驗確定了磨針儀合理的調速范圍和許可的磨盤跳動量值。
  17. By computer simulation, the results shows that when the baseline length is longer, the accuracy of speed measurement is better, and in the same time, the range of speed measurement is also narrower

    分析結果表明:基線長度影響測速精度,基線越長,測速精度越高,但測速范圍也越小,並且為提高測速精度,基線變化必須進行合理修正。
  18. In order to research sinusoidal - and trapezoidal - current compound driven technology, the controller uses variable structure control ( vss ), by designing switch function s ( x ), which switches motor between sinusoidal - and trapezoidal - current driven technology, and thus realizes motor ' s excellent control in different range of speed. also we do software simulation using matlab

    為了研究方波驅動和正弦波驅動的復合控制,控制器採用變結構控制,通過設計切換函數,使電機在正弦波驅動和方波驅動兩種控制模式下切換,實現不同速度段的優良控制特性,並用matlab軟體對整個復合驅動系統進行了模擬實驗。
  19. With such characteristics as advanced structure, wide range of speed regulating, excellent curling performance, simple and easy operation and maintenance, etc., it can compare favourably with the advanced curling equipment in the world

    其產品結構先進調速范圍大卷邊性能優越操作維護簡單方便等特點,可與國際先進的卷邊設備相媲美。
  20. Yzp series motors, combing the functions of crane and phase asynchronous motor, have featured with ability of overload and mechanic strength, wide range of speed and running smoothly, widely use for all metallurgy and lifting machine or similar equipment, also suitable for occasions of frequent lifting, breaking and reversing

    Yzp系列起重及冶金用變頻三相異步電動機是將起重及冶金用三相異步電動機的特點與變頻調速集於一體,具有過載能力大、機械強度高、調速范圍寬、運行穩定等特點,可使用於各種類型的起重及冶金機械或其他類似設備及經常起重、制動、逆轉的場合。
分享友人