performance rate method 中文意思是什麼

performance rate method 解釋
速率法
  • 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。
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  • 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. Comparing with the method of equal differential increment rate, dcpm - fga has better optimization quality. the agc software of hydropower station based on dcpm - fga can reduce water consume, and enhance the economic performance of hydropower stations

    實例計算結果表明，與等微增率方法相比，基於dcpm - fga的水電站agc具有更好的優化品質，能有效降低水量損耗，提高電站的經濟效益。
  2. In high - performance aircraft the pilots are vulnerable to ci because of some of the aircrafts " characteristics, which include high sustained + gz ( hsg ) acceleration, high rate of onset and high angular acceleration etc. so it has all the while been attached much importance to the studies on the mechanism of ci and the preventing and overcoming method of ci by the researchers in aviation medicine field

    目前以f - 16 、蘇- 27為代表的高性能戰斗機，其所具有的持續高加速度（ + gz ） 、高加速度增長率、高角加速度的特點更易導致飛行中科里奧利錯覺的發生，嚴重危害飛行安全。因此，對科里奧利錯覺的機理及預防與克服研究在航空醫學中一直受到人們的重視。
  3. Therefore, the purpose of this thesis is to look for a suitable preparing process for 3 - tcp with their micro - construction controlled more easily and the porosity rate and strength uniform. this paper created a new preparing method of porous ceramics, i. e. foam gel - casting technique, which integrated foam technique in porous ceramics preparing and gel - casting technique in structural ceramics preparing was applied to improve the preparing technique of porous p - tcp bioceramics in order to prepare ceramics bodies with high body intensity, controllable porosity and easily machining performance

    因此，本論文努力尋求一種適合於- tcp多孔陶瓷的制備工藝，使其微觀結構易於調節控制，空隙率和強度達到平衡同一。在實驗中，結合了制備多孔陶瓷常用的發泡法和結構陶瓷制備中的注凝法，創新設計了一種新的多孔陶瓷成型方法? ?泡沫注凝法，對多孔- tcp生物陶瓷的成型工藝加以改進，制備出高強度、氣孔率可控以及易加工的陶瓷坯體。
  4. The dual - bath coagulation method suggested by j. a. va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically. therefore it may be applied in the field of hemofiltration. to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf, here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material, dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1

    為了改善和優化聚醚碸超濾膜（單浴法）在血液過濾實際應用中的性能，本論文以j . a . van ' thof等提出的雙凝固浴法為基礎，以聚醚碸（ pes ）為主要成膜材料，以二甲基亞碸為溶劑，並添加一定分子量的致孔劑（ pvp ，聚乙烯吡咯烷酮）以及一定分子量的添加劑（ peg ，聚乙二醇）按照一定配比在一定溫度下製成透明均一的鑄膜液，靜置脫泡后在一定的工藝條件下製成聚醚碸平板膜和中空纖維膜，然後通過測試膜的結構和性能來評估其用於血液過濾中的前景。
  5. This thesis researched the time synchronization method for 2d - ss system, and deeply discussed the bit error rate ( ber ) performance of multicarrier domain spread spectrum chip - level differential detection ( mc - ss - cldd ) in the presence of multi - user interference

    本論文從多載波擴頻通信系統出發，提出了廣義二維擴頻系統的同步演算法，並對多載波頻域擴頻碼片級差分檢測技術在多用戶情況下的系統性能進行了深入的研究。
  6. As we have introduced a multilevel decision method with discriminator detection to improve the error rate performance, the deducing and analyzing for this method are present in this article. the theoretical error rate and the monte carlo simulation result are showed in figure to compare the system error rate performance affected by different premodulation filter

    在系統誤碼模擬中引入了一種有助於改善誤碼性能的鑒頻加多電平判決的解調方法，文中對此方法也進行了詳細的推導和分析，並給出根據此方法計算出的誤碼理論值，結合系統誤碼性能的蒙特卡羅模擬值，對比分析各種預調濾波器對系統誤碼性能的影響。
  7. The communication system ' s performance is briefly analyzed by channel capacity, which is a function of bit error rate ( ber ). the decision rule is based on the most likelihood method. for reproducing the original binary signals more correctly, time scale transformation method and the approach of ensemble average probability of error bits are introduced

    通過理論分析和模擬實驗，本文研究了這個非線性數字通信系統性能，給出了誤碼率和通道容量公式，提出了系統參數調節方法，採用最大似然法設計了適合這個系統輸出的判決規則。
  8. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高
  9. A new calculation method for optimizing diesel engine performance, called nonlinear regression - mess method, is put forward. in this paper, 25 groups of simulated values are calculated from the diesel engine working model, specific fuel consumption, peak pressure, rate of pressure rise, nox and peak temperature are fitted into explicit function about compression ratio and fuel injection advance angle

    本文利用柴油機工作過程模型，得出25組模擬計算數據，利用非線性回歸將油耗、最大爆發壓力、壓力升高率、 no _ x濃度及最高燃燒溫度擬合成壓縮比和噴油提前角的顯函數，並用網格法進行優化，用c語言編制了優化計算程序，得出最佳的壓縮比和噴油提前角，使其優化匹配。
  10. Based on decreasing the production cost and enhancing the high rate performance of this material, this paper adopted a two - step solid - state reaction to improve lifepo4 ` s behavior mainly using carbon coated or doped and mg2 + doped method

    本文從降低材料生產成本的同時提高材料的大電流放電性能出發，採用球磨高溫固相法主要針對碳摻雜/包覆和金屬離子摻雜對磷酸亞鐵鋰進行改性。
  11. 2. applying manchester coding theory to meet the end of collision detection and codes judgment effectively. 3. using pulse position modulation ( ppm ) coding theory that is invented especially for optical communication in the air to ameliorate the system ' s performance by improving the system ' s character of pe. 4. taking good advantages of the fledged lan communication protocols and technologies to achieve a new method that has a high rate of capability to cost in building a wireless lan

    論文研究中主要的創新性工作如下： 1 、提出利用光散射通信技術組建無線局域網，方便地實現了廉價而高速的局域網內微機的光互連； 2 、採用曼徹斯特編碼技術解決了光無線通信中代碼判決和碰撞檢測的技術難題； 3 、針對空氣通道的特點，利用ppm編碼技術降低通道誤碼率、改善系統性能； 4 、在光無線局域網中利用現有的成熟有線局域網協議和技術，從而保證了系統的實用性及改善了系統的性價比。
  12. We propose in this paper an evaluation method for the transient performance of das, through the period signal, by utilizing the much smaller difference than sampling period between the multi - periods of signal and the multi - sampling periods, getting shorter equivalent sampling period ( i. e. higher equivalent sampling rate ), which is derived from input signal period and sampling period, and then, the problem that how to get the transient performance of das has been solved. the transfer function of das is then evaluated and identified, and practical test results are also presented

    本文介紹一種方法，通過對其加載特定的周期性輸入信號，使用采樣周期的整數倍和信號周期整數倍間的微小偏差，獲得比實際采樣周期小得多的等效采樣周期，從而解決了數據採集系統瞬態響應特性的獲取問題；並進而獲得了數據採集系統傳遞函數的辨識和評價結果，實現了數據採集系統瞬態特性的總體評價。
  13. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上，運用礦料體積法進行ogfc級配設計，用正交實驗對礦料級配進行了優化設計，運用數理統計方法分析礦料級配和孔隙率之間的關系，並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程，進而提出了ogfc的合理級配；通過對不同孔隙率典型級配混合料的性能研究，綜合力學和功能性能，得出了ogfc的合理孔隙率范圍：針對高速公路面層對ogfc力學性能方面的要求，本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善：通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青，摻加聚合物纖維，提高ogfc的最佳瀝青用量，進而改善了混合料的高溫性能和抗水損害性能，優化設計出能滿足高速公路路用性能，車轍動穩定度達5000次/ mm以上，動融劈裂強度比90 ，透水系數31ml / s ，並具有防滑降噪功能的開級配瀝青磨耗層（ ogfc ）混合料。
  14. In order to improve the pavement performance of lime - fly ash stabilized aggregates and make coarse aggregates form skeleton, the paper confirm the rate of voids of the mixed aggregates by the method of vibrating test

    為了改善二灰碎石基層的路用性能，使粗集料（ 31 . 5mm 4 . 75mm ）能夠形成骨架結構，本課題通過振實試驗方法研究了不同粒徑粗集料混合后的空隙率。
  15. Fcf is used only by invest bank, and credit analysts because it is difficult to be forecasted. new fortune put forward a new method to evaluate the listed corporation performance which is based on its basic growth rate

    即通過公司最近實現的盈利能力，以及所掌握資源（有息負債及未分配股利）的多少，來計算一個企業在正常的情況下，具有多高的成長性。
  16. In this paper, optic gyro is viewed as the object of investigation and several aspects is investigated as follows. two important indexes - bias instability and scale factor were measured and investigated, including bias, its repetitiveness, temperature sensitivity, random walk coefficient and scale factor, its nonlinearity, asymmetry, repetitiveness. we make use of the allan variance method to separate the noise factors which affect the performance of the optic gyro, such as the angle random walk, bias instability, rate random walk, rate ramp, quantization noise, markov noise and sinusoidal noise

    本文以光學陀螺為研究對象，開展了以下幾方面的研究工作：本文對光學陀螺性能的兩個重要指標?標度因數和零偏穩定性進行了較為詳細的研究，其中包括陀螺的零偏b _ 0 、零偏重復性b _ r 、零偏溫度靈敏度b _ t 、隨機遊走系數rwc和標度因數k 、標度因數的非線性k _ n 、標度因數不對稱性k _ h 、標度因數重復性k _ r等等。
  17. The present paper presents a new method for constructing optimal quantisation tables. the method produces optimal rate - distortion performance in a fixed block size dct

    摘要提出一種構造擇優量化表的新方法。在一個固定塊尺寸的離散餘弦變換（ dct ）中，該方法可產生優化的率失真特性。
  18. For the optimization problem of fgms fracture performance, this paper fundamentally studies the fgm coating plate with interface edge - cracks, and establishes the approximate analysis method of the driving force for interface edge - cracks growth - energy release rate. this paper considers energy release rate as objective function and the optimization problem of fgms fracture performance is carried out by the paper mention optimization scheme

    關于梯度材料破壞性能的優化設計問題，本文對含邊界界面裂紋的平板狀梯度塗層進行了初步的研究，建立了邊界界面裂紋擴展驅動力- -能量釋放率的近似分析方法，以能量釋放率為優化設計目標函數採用本文提出的優化設計方案對梯度材料的破壞性能進行優化設計。
  19. 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。
  20. Using numerical simulation method, detailed dynamic pressure variations, transient gas temperature and mass flow rate in the ptr, and the coefficient of performance of ptr and the exergy losses of all parts of ptr were obtained

    用數值模擬方法得到了製冷機內部各點的壓力、溫度、質量流率等參數的瞬時變化情況及整機的製冷系數，並得到了製冷機各部件的（火用）損失及整機的（火用）效率。
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