performance variable 中文意思是什麼

performance variable 解釋
操作變量
  • performance : n. 1. 執行，實行，履行；完成；實現；償還。2. 行為，動作，行動；工作。3. 性能；特性。4. 功績；成績。5. 演奏；彈奏；演出；（馴獸等的）表演；把戲。6. 【物理學】演績。
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. When measuring the magneto performance parameter ， we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard ， and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ； because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable ， it make the measure of ignition energy become a difficult thing of ignition system performance detection

    在磁電機常規測量時，發現在國家標準中用於測量電壓、電流的儀器仍然是普通的電壓、電流表，而觀測到的波形多為不規則的形狀，根據測量原理，顯然不能用其來做定量的分析；由於點火系統的放電過程比較復雜，伴隨著很強的電磁干擾，點火電流、點火電壓都是變量，使得點火能量的測量成為點火系統性能測試的一個難點。
  2. In this paper, different computation methods and the hydrodynamic performance of vertical - axis variable - pitch cycloidal ( voith - schneider ) rotor and kobold horizontal - axis rotor are studied

    本文以可調角直葉擺線式水輪機和蹼板式水輪機為對象，研究它們的水動力性能及其理論計算方法。
  3. Variable diameter rotor is an effective method to improve the aerodynamic performance of tilt - rotor in both hover and cruise state. on the basis the research before, the variable diameter tilt rotor structure design has been finish, and in virtue of the technology of virtual prototyping to simulate and analyze the kinetic, dynamic and intensity property of it

    變直徑傾轉旋翼能有效的改善傾轉旋翼機懸停和巡航狀態下的氣動效率，本文提出了變直徑傾轉旋翼試驗模型設計方案，完成了可變直徑傾轉旋翼的結構設計，並利用虛擬樣機技術對變直徑傾轉旋翼的運動特性、結構動力學特性以及結構強度進行了分析、研究。
  4. On the basis of axial vortex theory, the aerodynamic performance of tilt - rotor model has been built, and using it to analyze the aerodynamic performance of xv - 15, comparing to the actual data to prove the model ’ s validity, finally studied the variety of aerodynamic performance relative to the variable rotor diameter

    以軸向渦流理論為基礎，建立了適合於傾轉旋翼機氣動分析模型，以xv - 15傾轉旋翼機作為算例，通過結果的對比，表明本文的氣動模型能較好的分析傾轉旋翼機的氣動性能，並在氣動性能的基礎上分析了直徑變化對傾轉旋翼機氣動性能的影響。
  5. Using the program, the thesis studied the status of the chilled water distribution in the system when operating in the practical conditions, and analyzed the performance of the system when adopting different controlling methods of pumps and the chilled water flow in the ahus ( air handling unit ) during the course of converting the constant chilled water flow system to variable chilled water flow system

    利用所編寫的程序研究了冷水系統實時工況下運行時，冷水系統內水量的實際分佈情況；分析了定水量系統改造為變水量系統時，採用不同的水泵控制方案及末端採用不同的水量控制方法時的系統性能。
  6. For a class of series - wound active power line conditioner the design approach law of a new fuzzy integral sliding mode variable structure control is presented. this method adjusts power electronic switch in order to achieve anticipated balance volt, finally makes active power line conditioner not only possess good robustness of variable - structure control and decrease vibration to the most but also increase the steady state precision. series - wound aplc adopted this control method possesses good dynamic and steady state performance

    針對串聯型有源電網調節器運用變結構控制策略，調節電力電子開關模式，以獲得預期的平衡電壓，對串聯型有源電網調節器提出了模糊積分變結構控制方法，使串聯型有源電網調節器既保持了常規滑模控制強魯棒性的優點，又減弱了滑模控制的抖振，提高了系統的穩態精度，使系統具有良好的動態和靜態性能，模擬試驗表明該控制策略是一種十分有效的控制方法。
  7. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。
  8. The strategy of direct torque control is one of the variable frequency speed control scheme, which was developed in 1985 by prof. depenbrock and which was one of high performance control of induction motor drives after vector control

    1985年德國學者depenbrock提出了異步電動機的直接轉矩控制（ directtorquecontrol ）變頻調速思想， dtc是繼矢量控制之後發展起來的一種高性能交流調速技術。
  9. Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters

    通過對電控可變氣門系統的主要結構參數，如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等參中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性的影響規律的研究發現，動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉性能起著決定性的作用，對於一定的氣門啟閉規律要求，這些結構參數存在一組最佳值。
  10. From the performance analysis of the inverter heat pump air conditioner, heat pump type vrf ( variable refrigerant flowrate ) air conditioning system, two - stage compression inverter air source heat pump, and cooling / heating / how - water inverter air source heat pump, the expanded function and performance improvement of air source heat pump from the variable frequency technology are analyzed in this paper

    摘要以變頻熱泵空調器、熱泵型vrf空調系統以及我們提出的雙級壓縮變頻空氣源熱泵系統、供冷/供熱/供生活熱水變頻空氣源熱泵系統為研究對象，分析變頻技術引入空氣源熱泵系統帶來的功能拓展和性能提升。
  11. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。
  12. When studying the network performance, flow control and resource provisioning of communication networks, traffic model plays a very important role. the recent studies show that the date network traffic is self - similar, so the markovian model, which describes telephone networks accurately, is not suitable for date networks. the self - similarity of the network traffic has severe impact on flow control and queuing analysis in date networks, therefore it has received significant attention. in this paper, g m 1 queuing model is used to analyze the queuing performance of generic variable length packet networks for the first time. the self - similar traffic is generated by multiplexing a large set of independent pareto heavy - tailed interarrival on off sources. the simulation results show that the heavy - tailed traffic results in queuing performance deterioration for variable length packet networks, which is in accordance with the analytical results for atm switches

    業務量的自相似特徵顯著影響網路的流量控制與排隊分析，已經引起人們的極大重視。採用g m 1排隊模型對分組長度可變的網路的排隊性能進行了分析和模擬，其中自相似業務量是通過疊加大量獨立的到達間隔為pareto重尾分佈的on off源來生成的。模擬結果表明，自相似業務量導致網路的排隊性能劣化，這與有關文獻對atm交換的分析結果一致。
  13. Engine and performance : two stroke air cooling engine, powerful ; key parts imported, reliable and durable ; excellent start - up performance of no less than three times ' drawing, easy and convenient to operate ; chain wheel drive, minimum power loss ; constantly variable speed and disk brake guarantee your safety

    動力性能：風冷二沖程發動機，功率強大，多種進口件組裝，性能穩定可靠，壽命長；優異的啟動性能，保證您不超過三次拉動，即可啟動發動機；採用無級變速裝置及性能優良的碟剎系統，使整車運行安全可靠，操縱方便；鏈式傳動，令功率損失減至最小。
  14. Company should establish a job evaluation system, and increase the portion of variable merit pay. performance management system should also be set up

    將薪酬與人才市場價格接軌；建立崗位評估體系；加大與業績掛鉤的浮動工資比例，同時建立有效的業績管理體系。
  15. But do note that the reason for this performance difference is because the variable is scoped incorrectly, for which the null assignment is simply a workaround, and also because the object is very large

    但是請注意這個性能差別產生的原因是變量的作用域不正確，這正是賦空操作發揮作用的地方，並且是因為所創建的對象非常大。
  16. The second variable of supply chain management performance is velocity - or the speed of the supply chain. it is governed by the speed of access to good data, planning cycles and execution cycles

    供應鏈管理成效的第二個可變因素是供應鏈的加速度，或其速度.它是由獲得貨品數據，計劃周期及執行周期這三方面的速度所管轄著的
  17. The performance of ac variable speed drive system has been improved greatly since field - oriented control is applied

    矢量控制使交流調速系統的性能產生了質的飛躍。
  18. Networking, 2002, 10 : 666 - 678. 20 moon s h, sung d k. high - performance variable - length packet scheduling algorithm for ip traffic. in proc

    本文所提出的并行交換系統支持八種優先級的單播和多播業務，並能夠完全保證用於實時業務的最高優先級業務的延遲。
  19. This paper focuses its emphasis on the digital control of induction motor, one of the most important aspects of the high - performance variable - frequency variable - speed system of induction motor

    本文重點研究了高性能智能化感應電機變頻調速系統這一涉及學科範圍廣泛的課題中一個極為重要的方面? ?矢量控制系統的全數字實現。
  20. The second chapter reviews relevant literatures of leadership, team dynamics, collective entrepreneurship and innovation, based on which the relation models in fifth chapter are set up. first, i point out that it is essential to integrate both leadership influences and team dynamics, regard collective entrepreneurship as the focal collective performance variable. second, i think that it is essential to integrate both collective entrepreneurship influences and the innovation, regard businesses performance as the focal variable

    根據理論的思路，本章分別從（ 1 ）集體創新； （ 2 ）領導； （ 3 ）員工的動態； （ 4 ）革新這些問題入手，對前人的研究進行回顧和討論，指出有必要形成系統的集體創新理論；並指出有必要把領導行為、團隊動態、集體創新能力整合起來，去探討如何形成集體創新能力；指出有必要將集體創新能力、革新率、企業績效整合起來，去探討集體創新能力是形成小企業持續競爭優勢的一個源泉。
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