脈動頻率 的英文怎麼說

中文拼音 [màidòngbīnlǜ]
脈動頻率 英文
frequency of ri le
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 脈動 : [物理學] [天文學] pulsation; pulsing; pulse; ripple; impulsive motion; pulsating; panting; loping...
  • 頻率 : frequency; rate
  1. The thermal damping is maximum for frequencies corresponding to pulsations that are somewhere between isothermal and adiabatic.

    當脈動處于等溫和絕熱之間某個狀態時，相應頻率下的熱阻尼是最大的。
  2. It can create micro magnetic field. it combine computer proceeding frequency vibration massage and low frequency bioelectricity impulse treatment. easy to use. instruction manual included

    4 .生物電脈沖模式和電腦頻率振動狀態的按摩時間分別設有定時控制鍵3分鐘5分鐘15分鐘。
  3. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷，利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法，提出了在液壓系統中加一個定差減壓閥的新思路，較好地解決了液壓伺服系統存在的上述問題。
  4. At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.

    在低頻率（譬如每秒十次）時，所感覺到的是脈沖而非振動。
  5. Empty affect refers to the frequency at empty electrical motors from lock - in normal circumstances to activate the pulse frequency

    空載牽入頻率是指步進電機在空載情況下能夠從鎖定狀態正常啟動的脈沖頻率。
  6. With the development of the converter drive technology, the requirement for the variable frequency drive are becoming more and more strict especially for the modern converter drive employing fast switching semiconductor igbt ， though it has high pulse frequency and refreshing time of only nanoseconds, it generates emf that has adverse effect on the environment

    隨著頻率控制傳動技術的發展，對頻率變速傳動系統的要求越來越高，尤其是對採用快速切換的igbt半導體現代變頻技術，盡管脈沖頻率高或更斷時間僅毫微秒內，但它們會對周圍環境產生電磁場。
  7. The interface utilizes the high - speed pu lse function of plc basic unit to realize the control frequency of pulse, pwm regulate voltage and to make use of drivers of step motor control step motor

    利用plc主機模塊的高速脈沖輸出功能，控制脈沖頻率的發生、 pwm脈寬電壓的調節，並通過步進電機驅動器實現對步進電機高效控制。
  8. What is mainly discussed in this dissertation is as follows : the fault mechanism and vibration frequency feature of hydroelectric vibration are analyzed, induced and reorganized. the select and placement of detecting positions of parameters such as vibration, swing and pressure pulsation are researched, and the corresponding sensors are selected to monitor

    本文主要進行了以下工作：分析、歸納和整理了水電機組振動的故障機理和振動頻率特徵，對機組的振動、擺度和壓力脈動測點進行了選擇和布置，並選用相應傳感器進行監測。
  9. ( 4 ) the influence of pulsation frequency on the drying process two special cases, in which the selected pulsation frequencies were 0 h /, and 83 h / respectively, were simulated and their simulation results indicated that the pulsating frequency of gas stream could improve the intensities of the heat and mass transfer during a pulse combustion spray drying process

    （ 4 ）揭示了氣流脈動對乾燥過程的影響本文模擬脈動頻率為83hz的脈動氣流和非脈動氣流的兩種乾燥過程，比較兩種乾燥過程的顆粒蒸發速率和濕含量變化。模擬結果表明氣流脈動對噴霧乾燥過程有一定增強作用。
  10. Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed

    對衛星平臺姿態振動對紅外相機掃描機構轉動的影響進行了系統深入的模擬分析:首先在步進電機驅動力矩一定條件下，模擬分析了星體姿態運動干擾力矩對紅外相機掃描鏡轉動的影響;接著建立了步進電機的數學模型，在步進電機輸入脈沖頻率一定條件下，模擬分析了步進電機在阻尼力矩、干摩擦力矩、平臺干擾力矩等負載轉矩的共同作用下的轉動情況。
  11. The interleaving two - transistor forward converter succeeds to the advantages of the two - transistor forward converter, it has two units working alternately, the power loss of the converter is distributed and the output voltage ripple frequency is twice of the switching frequency

    交錯並聯結構式的雙管正激變換器，繼承了雙管正激變換器的優點，兩個並聯單元互補工作，分擔了功率損耗，等效占空比擴大了一倍，輸出電壓的脈動頻率變為功率管開關頻率的兩倍。
  12. The influence of various waterpower and configuration parameters on heat transfer is analysed and the rules of convective heat transfer coefficient and the ratio of heat transfer enhancement with mass flux are obtained. at the same time, we gain important results as below : as for resonance chamber with certain configuration, self - oscillation can be generated under suitable configuration and waterpower parameters. for the same configuration resonance chamber, the intensity of the self - oscillation is changed by the waterpower parameters

    當流量及壓差降低至一定程度時，共振腔還可能削弱換熱；加熱功率的提高會增加流體（水）的溫度，流體的粘度會隨著降低，這會減少對流體脈動的阻礙，使脈動衰減得更慢，而脈動幅度的增加會增強換熱，故加熱功率對有脈動的對流換熱是有影響的；自振腔產生的流體脈動頻率是自振腔固有頻率或其整數倍，流體脈動頻率過高或過低都不利於對流換熱，存在一有利於強化換熱的頻率范圍。
  13. Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced

    由於箝位電容的加入，相對于其他類型的反激式變換器電路，該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管，實現了開關管的有源箝位，抑制了開關管的電壓尖峰;提高了輸入、輸出電流的脈動頻率，減小了輸入及輸出濾波器體積。
  14. Hereby, this dissertation present system project with chirp - subpulse stepped frequency signal in

    據此，提出了chirp子脈沖頻率步進信號在低空動目標檢測應用中的系統實現方案。
  15. Secondly, based on the analysis and simulations of the doppler time - shift for chirp - subpulse stepped frequency signal, this dissertation analyses the velocity compensation method for moving targets in chirp - subpulse stepped frequency signal, and presents a method for compensation of targets ’ velocity base on the least burst error rule

    其次，本文對chirp子脈沖頻率步進信號的多普勒效應進行了分析和模擬，在此基礎上，分析了對其進行運動補償的思路，提出了採用最小脈組誤差準則進行運動補償的方法。
  16. To ensure the precision of distance measuring, the high - speed laser driving circuit and the detect - amplifying circuit constituted by two class high - speed operational amplifiers are used in auto adaptive cruise - control system, and the laser flying time is measured by a sixteen bit ' s binary counter, whose counting frequency is 100 megahertz

    為保障測距精度，裝置採用高速激光器驅動電路和由兩級高速運算放大器構成的探測放大電路，並用一個計數脈沖頻率為100mhz的16位二進制計數器完成激光收發間隔時間的測量。
  17. As an innovation, the precise control of exeimer laser external trigging was achieved, including external trigging pulse and frequency, which makes possible the linked motion of xyz worktable, laser external trigging, and rotatable table

    在硬體設計上的創新點是我們實現了對準分子激光外觸發的精確控制，包括激光脈沖個數和脈沖頻率。從而實現了工作臺位移運動與激光外觸發、轉臺轉動的聯動。
  18. The dynamical characteristics of ground soil and structure of frequency spectrum of ground micro - tremor in fuzhou and quanzhou of fujian province are studied in this thesis. the ground microtremor signals were observed, and the signals were analyzed by fast fourier transform method ( fft ). the characteristics of structure of frequency - spectrum and response of ground soil to frequency of ground micro - tremor are revealed, and the function with frequency - dependence and frequency - selection of micro - tremor for different foundation soil strata is also researched

    本文以福建省福州市區和泉州市區場地土的動力特性和地脈動頻譜結構為研究對象，對福州市區和泉州市區等地進行了場地地脈動的測試，利用快速傅立葉變換（ fft ）方法對觀測到的地脈動信號進行頻譜分析，研究了地脈動頻譜結構特徵及場地土對地脈動的頻率響應的特性。
  19. This dissertation analyses the characteristics of chirp - subpulse stepped frequency signal, and analyses and resolves kinds of problems in chirp - subpulse stepped frequency signal. this dissertation studies the use of chirp - subpulse stepped frequency signal in low altitude moving target, and studies and provides theoretical basis for practical application of chirp - subpulse stepped frequency signal and processing techniques

    本文對chirp子脈沖頻率步進信號特性進行了研究，並對研究過程中出現的各種問題進行了分析並提出了解決方案;同時，對chirp子脈沖頻率步進信號在低空動目標檢測領域的應用進行了研究，為chirp子脈沖頻率步進信號的實際應用提供了理論依據。
  20. Thirdly, this dissertation analyses the echo simulation of chirp - subpulse stepped frequency signal and chirp signal. and the detection capability of chirp - subpulse stepped frequency signal and chirp signal in low altitude moving target is compared. the results show that chirp - subpulse stepped frequency is better

    再次，本文分析了chirp子脈沖頻率步進信號和chirp信號的回波模擬問題，在此基礎上，對chirp子脈沖頻率步進信號和chirp信號對低空動目標檢測的性能進行了比較，結果顯示chirp子脈沖頻率步進信號具有較好的性能。
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