速率調節 的英文怎麼說
中文拼音 [sùlǜdiàojié]
速率調節
英文
speed regulation- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 率 : 率名詞(比值) rate; ratio; proportion
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 節 : 節構詞成分。
- 速率 : speed; rate; tempo
- 調節 : regulate; adjust; monitor; measure; take care of; condition; regulation; adjustment; conditioning...
-
Early speed control systems on turbine all adopted pure mechanical hydraulic speed control systems, which had intrinsic defects. for example, the percentage of delay is large, dynamic regulation characteristic is bad, control accuracy is low, the operation is cockamamie, the running and maintenance are not convenient, and so forth. in order to solve these problems, it is necessary to substitute a completely new, advanced speed control system for previous mechanical hydraulic one
早期的汽輪機調速系統均採用機械純液壓調速系統,機械液壓系統具有固有的缺陷,如遲緩率大、動態調節品質差、控制精度低以及操作繁瑣、運行、維護十分不便等,解決這些問題均要求採用一種全新、先進調節系統來取代原有的機械液壓式調節系統。Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine
選擇了等比例長孔式混合器控制空燃比;通過提高壓縮比來彌補動力性的損失;以動力性為主控目標,對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;通過空燃比的合理控制,直接改善發動機的動力性、經濟和排放指標;作為對缸內燃燒過程的理論分析,進行了燃燒特性的實驗測試;對原汽油機和新開發的液化石油氣發動機,進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。By introduction of two lif layers, the adjustment of the position of thin layer alq3 in the microcavity is achieved and the effect of the coupling strength between the emissive dipole and vacuum electric - field on the emission intensity in ( / 2 - length microcavity is studied for the first time
在帶有dbr結構的高q值微腔中,觀察熒光壽命變短輻射速率提高的現象。通過使用填充層,來實現對薄層alq在腔中位置的調節,研究了輻射偶極子同光電磁場的耦合強度對輻射強度的影響。A new system of rapid roll carriage infeed and return, together with automatic selection of pressure and feed rate, has improved the already impressive floor - to - floor times achieved
快速輥子進給和返回系統和自動壓力、進給速率調節器提高了工作效率。The extracted marrows ganoderma lucidum and semen zizyphi spinosae contained in threesss can regulate secretion of hydrocortisone in human body and reduce excitation of human body during nighttime ; in addition, ganoderma - lucidum spores and semen zizyphi jointly stimulate secretion of sleeping - inducting peptide in body. improve rate of " high efficient sleeping quality and immunity. recover and strengthen mental strength, mental strength and vigor. through sleeping. the psychlogy and physiology return to the youth level
「索萊爾」多元明膠囊中所含的靈芝和酸棗仁提取精華,能調節人體內皮質醇的分泌,降低人體在夜間的興奮度;此外靈芝孢子粉和酸棗仁共同作用,能夠在體內刺激「睡眠肽」和格里酶「的分泌,有效促進「高能睡眠」率,延長「高能睡眠」時間,從而達到全面改善睡眠質量,提高免疫力,使體力、腦力、精力得到迅速恢復和加強,通過睡眠將生理及心理狀態調整到青春期水平。The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage
系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速,減少了逆變器輸出電流的諧波,降低了脈動轉矩,提高了電壓的利用率。I step up the breathing rate--timing the contraction and relaxation of chest muscles.
我增加呼吸率--調節胸部肌肉的收縮和舒張的速率。It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage
並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理,闡述了與同步發電機、異步發電機的不同之處,分析了其能量平衡關系,在坐標變換技術的幫助下,詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型,分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性,證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。Furthermore, with regard to the flow regulation of multicast flows in high - speed computer communication networks, the present paper proposes a class of sender - driven single rate congestion controllers based on a many - to - many multicast model
接著,本文針對計算機高速網際網路中組播的速率調節問題,在多點對多點的組播流量模型基礎上,提出了一類新的由發送方驅動的單速率組播擁塞控制器pid ( proportionalintegrativeplusderivative )的設計方案。Subsequently, taking into consideration the characteristics of audio data over internet including delay, jitter, packet loss and etc., we propose a series of methods for solving this above problems, such as pre - storage technology, buffer technology, dynamic adjustment of the voice - coding rate to the state of network and integrated media synchronization playing mechanism, and etc. in the end, simulation on 10 / 100m lan is made using the above methods, and the result of the experiment demonstrates the method has good performance and can improve the quality of the audio data transmission
其次本文還深入研究了語音數據在非實時的internet數據網上的傳輸特性,這些特性包括延時、延時抖動、數據包丟失等。在本文的設計方案中提出了針對這些問題的解決方法,包括預取機制、設置緩沖區技術、動態速率調節技術以及媒體綜合同步播放機制等。最後採用這些方法在10 100m局域網上做了模擬實驗,實驗結果表明本文提出的方法是有效的,在網路狀況惡劣的情況下能夠改善語音播放質量。( 2 ) with the increasing applications of real - time multimedia on internet, an ecn - based tcp - friendly congestion control ( etcc ) scheme was proposed. the scheme emphasizes on the improvement of end host with the support of extended router. red was adopted in the router, and early congestion state was notified to the sender using ecn
( 2 )針對internet上與日俱增的實時多媒體應用,提出了一種基於ecn的tcp友好擁塞控制機制etcc ,該機制側重於端系統功能的改進,同時擴展了路由器的功能來支持端系統的工作,在路由器中採用red管理隊列長度,以ecn的方式將網路的早期擁塞狀況通知端主機,端系統根據相應的速率調節機制來調節數據的發送速率。It supports 32mbps of data rate in an 8mhz television channel, and provides functions of assigning band via channel and sub - channel, adjusting program transfer rate by software
在一個8mhz的電視頻道內支持32mbps的數據傳輸速率,同時在硬體上通過頻道和子頻道進行帶寬分配、軟體上可以實現按節目進行速率調整。This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement, easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented
該方案由於引入了定子電流勵磁分量的閉環控制,使系統同時具有轉速和勵磁調節兩個調節通道,具有如下優點:一、解決了超同步工作工況不穩定的問題;二、提高了定子側的功率因數(與轉子側功率因數為1相比) 。三、由於速度調節在轉子坐標系下進行,並以轉子電流矢量定向,所以無須轉子位置傳感器,也不用檢測初始位置,易於組成無速度傳感器雙饋調速系統。I step up the breathing rate - - timing the contraction and relaxation of chest muscles
我增加呼吸率- -調節胸部肌肉的收縮和舒張的速率。In this scheme, power control is primary to the rate control. when the fading channel changes slowly, the transmit data rate will be kept on an appropriate level, and only the power control works to keep up with the channel fading and balance the sir. but when the channel quality is poor, the data rate will be switched down without sacrificing the ber ; otherwise, high data rate was selected
我們提出的方案根據反饋的sir動態改變數據的速率和功率,其中功率控制優先於速率控制,當通道變化緩慢時,數據率保持在一個相對穩定的值上,調節發射功率來維持sir平衡;當功率調節無法彌補通道的衰落時,則通過調節速率來維持sir的平衡。Any wind turbines need power control. we aim at capturing wind energy in below - rated wind speed as much as possible and limiting the aerodynamic power in above - rated wind speed
任何風力發電機都需要功率調節,其目的是在額定風速以下盡可能多的吸收風能,在額定風速以上限制其功率的輸出。Abstract : this paper proposes an self - adaptive speed - accommodating control circuit, which can get the speed - error, and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed
文摘:文章介紹了通過自比較來檢測錄音機主導軸單相永磁交流測速發電機反饋信號的頻率變化,從而獲得速度誤差,並自動校正轉速的一種自適應速度調節控制電路。It makes hydraulic turbine running with peak efficiency all the time. the governor is designed with model structure. closed - loop start - up strategy is applied during running and it realizes three adjust mode - frequency, wicket gate and power
調速器採用模塊結構進行設計,在調節過程中實現了閉環開機控制策略,並可在頻率調節、開度調節、功率調節三種調節模式之間自動或手動無擾動切換。The main technological characteristics include not only the integrated optimizing design of variable speed and constant frequency, ensuring the wind turbines to adapt to diversified wind plants with different temperatures and geographical conditions, but also the maximum wind power captured at optimized tip speed ratio below the rated wind speed and security protection of constant power output above the rated wind speed by variable pitch regulation
主要技術特點是整體綜合優化設計、變速恆頻運行、適合不同氣候特點和地理環境的風電場;風機全翼展變漿距功率調節、額定風速以下最佳變速比運行最大風能捕獲、額定風速以上恆功率輸出具有安全保護功能。We chose suitable tcp throughput model to estimate the available bandwidth correctly, using the estimated round trip time and packet loss ratio for the next time interval as parameters of the model to achive the accuracy of estimated network bandwidth. as the observed losses and round trip time vary very dynamically, adjust the sending rate equivalent to the amount of tcp throughput may result in a rather fluctuant sending rate. so we present a rate adjustment like tcp congestion control based on aimd, which increases its sending rate by an additive inereease rate
根據mpeg4視頻流應用的特點,選擇合適的吞吐量模型,進行合理的參數估計,並根據計算出的帶寬進行相應的速率調整來實現擁塞控制,我們使用未來rtt的估計值和分組丟失率的估計值作為吞吐量模型的參數,增強了控制的實時性,弱化了業務的振蕩性,提高了帶寬預測的準確性;在進行速率調整時,不是簡單地將發送速率調整到與tcp吞吐量模型一致,而是採用類似tcp的aimd策略來調節發送速率,減小了發送速率的振蕩性。分享友人