constant speed method 中文意思是什麼

constant speed method 解釋
等航速法
  • constant : adj 1 恆定不變的,固定的,穩定的,恆久的;繼續不斷的。2 不屈不撓的,堅韌的。3 忠實的,有節操的。n...
  • 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...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. When the axial speed varies harmonically about a constant mean one, the method of multiple scales is applied to the axially moving beam to determine the instability boundary due to parametric resonance

    當軸向運動速度在其常平均值附近作簡諧波動時,應用多尺度法給出軸向變速運動梁參數共振時的不穩定條件。
  2. Motorcycles - method of measuring fuel consumption - constant speed test - road measurement method

    機動腳踏車.耗油量的測量方法.恆速試驗.道路測量方法
  3. Abstract : taking single - rope drum wind as analysing object, the paper analyses safety coefficient of main rope using the dynamic state method under speed up, constant the speed, reduce the speed and emergency braking, change law is gotten comparing them with " mine safety standards ", points out existing problems and solving methods of safety coefficient in selecting and using rope in home

    文摘:以立井單繩纏繞式提升機為研究對象,從動態方面分析提升鋼絲繩安全系數,得出其在加速、等速、減速、緊急制動狀態下的變化規律,與我國《煤礦安全規程》的要求進行比較,指出目前國內選擇和使用提升鋼絲繩在安全系數方面存在的問題和解決辦法。
  4. At last, simulating the start - up, accelerating, constant speed and decelerating conditions of city bus, by using simulation method studying energy - saving characteristics under the condition of constant torque, power and rotational speed controlling brake

    最後,模擬城市公交車啟動、加速、勻速和減速工況,應用計算機模擬方法研究了恆扭矩控制制動、恆功率控制制動和轉速控制制動條件下的節能特性。
  5. In the research and preparation procedure, it probes into electric field dynamic impedance variation rules, summarizing a set of sparks critical point discrimination methods in solving the key to detect electric field less - spark technology and realizing the less - sparks operation controlling function under impending arcover voltage, putting forward and realizing constant spark rate operation mode, in fiashover treatment adopting method of small descending amplitude, speedy picking up speed, and unlocking silicon controlled rectifier

    在研製過程中探索了電場動態阻抗變化規律,總結出一套識別火花臨界點的方法,解決了探測電場少火花的技術關鍵,實現了逼近擊穿電壓下少火花運行控制功能,提出和實現了恆定火花率運行方式,在閃絡處理上採取下降幅度小、回升速度快、不封鎖可控硅的方法。
  6. In this paper, we study a new method of automatic detection of target course - altering maneuvers based on a linear measurable function of bearings varying with time when the target travels on a straight line at a constant speed

    摘要根據觀測器目標保持勻速直線運動時目標方位隨時間線性變化的一種可量測函數,研究了一種檢測目標轉向機動的新方法。
  7. When calculate the correlation function of binary array pairs, using the boolean calculation instead of the decimal multiplication, using the method of count the number of 1 in binary integer to calculate the correlation function of binary array pairs, the speed of searching is obviously improved by these methods. by the algorithm introduced in this paper, the constant weight and normative perfect binary array pairs whose volume from 4 to 28 and quasi - perfect binary array pairs whose volume from 2 to 24 were searched and gi ved the new result

    此外,採用二進制整數來表示陣列,通過對整數的邏輯運算來實現陣列偶的移位變換、完全采樣變換等運算;在計算二進陣列偶的相關函數時,用整數的邏輯運算代替十進制中的乘法運算,並用計算二進制整數中1的個數的方法來計算二進陣列偶的相關函數,以上方法的採用明顯地提高了搜索速度。利用上述演算法,對體積為4 28的等重規范型最佳二進陣列偶和體積為2 24的準最佳二進陣列偶進行了搜索,並給出了新的結果。
  8. First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented

    建立了永磁電機和變流器的數學模型,針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制,通過變流器交-直-交的變換,將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電,通過pwm調治能使其輸出功率因數為一,並且該控制系統功率因數為可調,能在特殊情況下同電網交換一定的無功功率,並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬,取得了良好的模擬效果。在風力發電系統中,採用先進的最大功率俘獲演算法,能有效的從風中獲得最大的能量。
  9. To keep constant cutting angle and speed, a method with tool swinging and variable - speed of spindle is presented

    為了解決上述問題,本文提出了刀具擺動與主軸變轉速的凸輪車削加工方法,以實現恆角度與恆速度切削。
  10. Abstract : through analyzing the principle of spindle drive for high speed winding machine, the article not only describes a kind of spindle drive for take - up mechanism on the basis of measure - control method of constant velocity winding, but also introduces microcontroller measure - control system of constant veloity winding for high speed winding machine

    文摘:通過對化纖長絲高速卷繞機錠軸傳動方式的原理分析,論述了一種以恆線速卷繞測控方法實現錠軸傳動的卷取機構,並介紹了在化纖長絲高速卷繞機上實現恆線速卷繞的單片機測控系統。
  11. Through analyzing the principle of spindle drive for high speed winding machine, the article not only describes a kind of spindle drive for take - up mechanism on the basis of measure - control method of constant velocity winding, but also introduces microcontroller measure - control system of constant veloity winding for high speed winding machine

    通過對化纖長絲高速卷繞機錠軸傳動方式的原理分析,論述了一種以恆線速卷繞測控方法實現錠軸傳動的卷取機構,並介紹了在化纖長絲高速卷繞機上實現恆線速卷繞的單片機測控系統。
  12. A real constant speed sampling is obtained by a fast and accurate calculation using a program computing method

    又通過對采樣體積計算公式的重新推導,使之更加準確。
  13. Electronic inverter is widely used in variable speed constant frequency ( vscf ) electrical system, ups, and other kinds of power supplies. with the continuous development of pwm control strategy and digital signal processing technology, the method of the pwm control incline to digital control and then the pwm technique plays more and more important role on the dc - ac inverter control

    逆變器在飛機變速恆頻電源、 ups以及其他電源中具有很廣泛的用途,隨著pwm控制策略以及數字信號處理技術的不斷發展,數字控制在逆變器控制方案中的價值也日益凸現。
  14. Applied constant keeper can enable the microorganism to continuously culture in double periods of “ constant flowing method speed ”. ? it has a process as such : according to the multiplying speed that the bacteria cultures in double growing periods, and the speed that it consumes the nutritious material, fresh culturing liquid is continuously added. ? at the same time, the same amount of well - cultured bacteria liquid is continuously drawn out, so that the next two items are kept relatively constant : the added material and the consuming material ; the amount that the bacteria have multiplied and that has been drawn out

    應用恆化器,能使微生物以對數期「恆流法速度」連續培養,即根據菌種在對數生長期繁殖的速度和消耗營養物質的速度,不斷加入新鮮培養液,同時不斷抽出等量培養好的菌液,使加入物與消耗物、細胞繁殖量與細胞物質抽出量,保持相對穩定均恆。
  15. Therefore, to increase the number of steel ball of the ball case patterned constant speed universal joint is a kind of effective method for realizing its structural light - weighting design

    因此,增加球籠式等速萬向節的鋼球數量是實現其結構輕量化設計的一種有效方法。
  16. The method can be used widely in high precision frequency, time and phase measurement. combined with a kind of precise, constant gate ' s measuring method that is derived from the several period synchronization measuring method, high speed, high precision, successive frequency measurement can be fulfilled. it adapts well to the sensor signal measurement of non - frequency

    此方法可以廣泛地應用於高精度頻率、時間及相位測量中,將其與一種從多周期同步法發展而來的高精度、定閘門測量法相結合,可實現高速、高精度、連續頻率測量,而這一點非常適合非頻率量傳感信號的測量。
分享友人