performance estimation 中文意思是什麼

performance estimation 解釋
性能估計
  • 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。
  • estimation : n. 1. 估計，評價。2. 預算，預算額；概算。3. 尊重，尊敬。4. 意見，判斷。5. 【化學】估定；測定。
  1. It also evaluates the performance of frequency difference estimation of afc

    分析了多徑條件下afc頻差估計的性能。
  2. Cycle frequency - based blind beamforming shows the performance degradation due to cfe ( cyclic frequency error ). an improved algorithm is presented in literature 6, which adopting forgetting factor in estimation cyclic correlation matrix would largely depress the sensitivity of cab to cyclic frequency error. by using this method, the improved algorithms of the c - cab and ecab algorithms are presented in this dissertation

    針對基於循環頻率的盲波束形成演算法對循環頻率誤差cfe （ cyclicfrequencyerror ）很敏感而導致演算法性能下降的情況，參照文獻[ 6 ]提出的遺忘因子cab演算法，提出了c - cab演算法以及基於特徵空間的盲波束形成演算法（ ecab ）的改進演算法。
  3. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  4. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性，網路中鏈路總數的期望值，網路中節點度數分佈情況，以及網路連通性與無線信號傳輸半徑的關系等，得出了其解析描述。
  5. In this dissertation, the location estimation methods for mitigating the influence of the nlos propagation and the location parameters estimation methods for ds - cdma cellular radio systems are studied. furthermore, the influence of the nlos propagation on the performance of radiolocation systems is analyzed. moreover, by using pilot sequences from the base station ( bs ) in wireless cdma cellular networks, the techniques for detecting and locating and tracking for 3 - d moving target are provided

    本論文針對蜂窩網中移動臺定位這一熱點，研究了移動臺定位的非視距影響減輕技術以及適用於ds ? cdma系統的定位參數估計技術，分析了非視距對定位性能的影響，並研究了利用蜂窩網路資源對三維運動目標的檢測、定位與跟蹤技術。
  6. According to different valuators and valuation objects, the performance evaluation has six aspects : 1. business worthiness estimation, 2. business credence valuation, 3. business community contribution valuation, 4. business operating performance evaluation, 5. business operator ( agents ) performance evaluation, 6. business interiority management evaluation. the thesis only focuses on the business operating performance evaluation

    按照業績評價的不同主體和對象，業績評價可分為六個方面，分別是：企業價值評估，企業資信評價，企業社會貢獻評價，企業經營業績評價，企業經營者業績評價，企業內部管理評價。
  7. One is the bss based on kernel density estimation ( kde ) and genetic algorithm ( ga ), the other is the blind deconvolution based on high order cross cumulants and ga. without nlf, the performance of separation in both algorithms is independent with the kurtosis of the sources

    兩種演算法的實現無需引入非線性函數，因此都與源信號的峭度性質無關;另外，選取全局搜索的遺傳演算法進行尋優，避免了梯度法搜索的局部性，使得演算法均能收斂到問題的全局最優解。
  8. Space spectrum estimation technology has a comprehensive perspective in the military and civilian applications, the estimation method based on higher - order statistics has better performance than that based on covariance. firstly, the thesis introduces the definitions and the attributes of the higher - order statistics

    空間譜估計技術在軍用和民用方面都有著廣泛的應用情景，將高階統計量應用於空間譜估計，所得到的性能要好於基於協方差的空間譜估計。
  9. 4 ) a uniform crb expression of bearing estimation for spatially distributed sources in unknown noise environments is derived. more exactly, the crb performance of bearing estimation for spatially distributed sources in several typical spatially - correlated noises is evaluated theoretically and numerically, respectively. it is disclosed that the estimated errors mainly depend on space ambiguity between signal and noise components

    4 ）推導了未知噪聲環境中空間分佈源波達方向估計的統一的crb表達式，分析了幾種典型的空間色噪聲情況下分佈源波達方向估計的極限性能，揭示了信號分量和噪聲分量之間的空間混疊對分佈源波達方向估計的決定性作用。
  10. The detection of interest points is the basis of kinds of computer vision applications, such as : camera calibration, 3d reconstruction, image matching, video retrieval, motion estimation, etc. in this paper, three impersonal criteria : delocalization, false - detection rate, and repeatability are presented to evaluate the performance of an interest points detection algorithm

    興趣點檢測是許多計算機視覺應用的基礎，如：攝像機定標、三維重建、圖像匹配、視頻檢索、運動估計等。本文首先給出了一個評價興趣點檢測演算法性能的客觀標準，這個標準包括以下三個準則：點位置偏差、誤檢率及重復度。
  11. One of the main problems in pdes is how to partition the network simulation workload to decrease the time needed to complete the simulation and improve performance of simulation. here a new optimized partition algorithm was put forward, which first analyses the performance factors of parallel simulation and then constructs a performance estimation model for partition ; based on this model, it mends the graph partition algorithm to consider all factors, including simulation applications and simulation environments. optimized factors are workload balance 、 communication cost and time window of lookhead

    鑒于基於傳統圖劃分演算法的任務劃分工具存在諸多不足，本文提出了并行網路模擬任務的優化劃分方法，其思想是:首先從pdes機制出發，分析影響并行網路模擬性能的各種因素並建立一個能夠綜合考慮各種因素的并行網路模擬性能估計模型;其次，改進多級圖劃分演算法，使得演算法具有綜合考慮模擬應用與模擬運行環境，同時在優化過程中使用性能估計模型指導劃分，實現對影響并行網路模擬性能的三個因素（包括負載均衡、通信開銷、安全時間窗口長度）的優化能力;最後，結合併行網路模擬性能估計模型與改進的多極圖劃分演算法，實現了并行網路模擬任務的優化劃分。
  12. The structural prindiple and performance estimation of three way catalyst

    三元催化器結構原理與性能評價
  13. Chapter 3, research technique and method of making - decision of strategy about the competitive strategy of compressed nature gas cylinder examination in chongqing center of special type equipment ' s quality and safety test, and they are exterior macro - environment analysis and organization ' s interior performance estimation, strategy management theory framework of compressed nature gas cylinder examination in chongqing center of special type equipment ' s quality and safety test, and construction of model of performance check of oranization and survey the strategy matching technique or technique of making - decision of strategy such as traditional swot model, space model, ie model, big strategy matrix model and quantification strategy plan matrix etc. finally the article discusses the uncertainty of strategy circumstance and the game theory of strategy management based on uncertainty of strategy circumstance

    從論文的第三章開始進入重慶市特檢中心cng氣瓶檢驗戰略管理制定的技術、方法研究階段。包括組織的外部宏觀環境分析和組織機構內部條件、組織效能的度量、評價；構造了重慶市特檢中心cng氣瓶檢驗戰略管理理論框架；建立了組織效能度量模型，重新審視了傳統swot矩陣模型、 space模型、 ie模型和大戰略矩陣模型的戰略匹配技術和定量戰略計劃矩陣的戰略制定技術等戰略決策方法；初步探討了戰略環境的不確定性及基於不確定性條件下的戰略制定以及戰略管理的博弈論問題。
  14. Firstly, we focus on the task analysis, module partition, design and implementation of sub - module, the simulation based on textio package, simulation, verification, and performance estimation for real - time multi - target capture module

    論文首先對實時多目標捕獲模塊工作任務、模塊劃分、子模塊設計與實現進行了深入討論，並對設計進行了模擬驗證和性能分析，得出設計結論。
  15. Such discussion involves a wide spectrum of technique issues, such as functional structures and components, criteria for performance estimation, and the important issues relevant to the ums. chapters 4 and 5 deals with the development of communication software based on the tts and asr techniques with the help of the speech development tool kit, the microsoft speech sdk. in this work, object oriented approach is adopted, and basic modules are encapsulated as activex control components to enable convenient communication among subsystems

    本文第4章重點討論了zhx - ums中與tts asr相關模塊開發問題，較詳細地介紹了模塊功能的實現；第5章進一步討論如何以面向對象的方法為基礎對模塊進行封裝（封裝成activex控制項） ，以解決模塊間通信的問題和與其他子系統間的信息交換問題。
  16. Then, considering cons and pros of ds and pm protocols, this thesis proposed a new task synchronization protocol called ds / pm protocol. this new protocol can solve part of problems in previouse two protocols. finally, this thesis proposed a task tranaction worst - case response time analysis algorithm for ds / pm protocol and made performance estimation for these algorithms

    其次，本文根據ds和pm方式各自的優缺點，提出了一種ds與pm方式相結合的ds pm任務同步控制方式，這種同步控制方式能部分彌補ds和pm方式的缺點，而後基於該方式提出了相應的任務序列最大響應時間分析演算法。
  17. Finally, this thesis proposed a message worst - case response time analysis algorithm for a simplified task model and made performance estimation for these algorithms. in the research of the second part, after a brief introduction of ds ( direct synchronization ) and pm ( phase modification ) task synchronization protocols, this thesis proposed the task transaction worst - case response time analysis algorithm respectively

    在第二部分的研究中，首先分別針對ds （ directsynchronization ） 、 pm （ phasemodification ）兩種任務同步控制方式提出了相應的任務序列最大響應時間分析演算法，對原有演算法進行了改進，並按照holistic演算法的思想提出了相應的計算迭代方程組。
  18. Performance estimation and feature of motor cycle catalytic convert agent on engine test bench

    摩托車催化轉化劑的發動機臺架性能評價和特點
  19. The basic theories of distributed cfar detect systems, such as the system topology, the hypothesis testing with data fusion, the performance estimation and fusion rule, are established by the works of many researchers, and most of the concepts and approaches of traditional cfar detection can be used on distributed systems. but when worked on practical environmen ts with unstable and complicated detect conditions, the distributed system have many distinctly properties compared with single detector, so there exist a great deal of problems need to be studied

    盡管目前雷達分散式cfar檢測的大部分基礎理論問題，如系統結構、數據融合假設檢驗、性能測度、融合規則等已基本解決，許多單傳感器cfar檢測理論和技術也可以移植到分散式系統，但由於分散式檢測環境的特殊性，尤其是當面對復雜多變的實際應用環境時，雷達分散式cfar檢測仍有許多課題有待進一步的研究和探索。
  20. On the ground of mpda algorithm and the conclusion of its steady - state performance evaluation, the choice of the detection threshold becomes a matter of optimization under the condition of properly chosen detection model and hypothesis. and the analytic expression of auto - adjusted detection threshold can be deduced via approximate fitting attenuation factor derived from the conclusion of performance estimation. it presents a novel approach for the optimization of detection - tracking system

    基於mpda演算法及其穩態性能估計的結論，在適當選擇檢測模型和一定假設條件下，將自適應檢測門限的選擇歸結為一個最優化問題，通過近似擬合性能估計結論中的衰減因子，得到了最佳檢測門限自適應調整的解析表達式，為檢測?跟蹤系統的聯合優化設計提供了一種新思路。
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