performance errors 中文意思是什麼

performance errors 解釋
表現錯誤
  • 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。
  1. 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。
  2. Because of the unique issues in the networks, including mobility - induced disconnection, network partition, high out - of - order delivery ratios and channel errors, the congestion control and the error recovery in the network is challenging. in this environment, the interaction between tcp and mac layer protocols, the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first discussed. then a particular transport layer protocol scheme based on the non - feedback mechanism is presented, with emphasis on the analysis and simulation of the key parameter

    文中主要討論了兩種不同網路結構中的無線tcp協議改進方案，其一在最後一跳為無線鏈路的網路環境中，針對基本tcp擁塞控制機制存在的缺陷，文中在現有解決方案的基礎上提出一綜合性的方案，其中包括無線鏈路的高誤碼率和連接斷開問題的解決，並重點對方案中出現的交叉層問題進行分析和模擬；其二，考慮的是分散式網路（ adhoc ） ，在文中較為詳細的分析了tcp和mac層機制間的相互作用、路由協議中造成tcp性能降低的因素、 adhoc網路中應採取的特殊擁塞控制和差錯恢復機制，在此基礎上提出了一種採用非反饋機制的解決方案，重點對方案中的關鍵參數進行分析和模擬，分析和模擬結果表明此機制可在很大程度上提高adhoc網路中tcp的性能。
  3. It ’ s done several tasks concretely as followed : 1 ) analyze and research mrm and its training curriculum ‘ s background and development ; conclude the principle of mrm, content and its thinking methods systematically ; summarize foreign scholars ’ research fruits on the performance examination of mrm. 2 ) research maintenance human factors and come up with a frame of maintenance human errors analysis and its categories. in the mean time, point out that people need to look upon mrm as a conprehensial measure to reduce human errors in mrm ’ s research and practice3 ) relatively deeply and meaningfully research on how to introduce and execute mrm in our country ’ s aviation circle ; put forward researching results on introducing mrm as well as key jobs we need to do in the future in our country

    具體做了以下幾個方面的研究工作:一是分析研究了維修資源管理及其訓練課程的產生發展及其背景，系統地歸納了維修資源管理的原理內容及其思想方法，總結了國外學者對維修資源管理績效考核的研究成果;二是對維修人為因素做了相關研究，提出了維修差錯原因分析及維修差錯分類框架，指出在對維修人為因素的研究和實踐中，需要更多地採取維修資源管理及其訓練這樣的綜合性措施去減少維修人為差錯;三是對國內航空界引進並實行維修資源管理做出了相對深入並有實際意義的研究與探索，對國內引進並實施維修資源管理及其訓練課程以及將來的重點工作，提出了研究結論。
  4. Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application

    熱、壓環境下壓阻變換壓力傳感器的性能可以通過有限元方法預測.這里研究了簡化的1 / 8模型，模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比性.範例研究表明，硼硅堆導致產生一定的非線性，但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移誤差.然而，在相對穩定的環境下，軟黏合劑對傳感器的影響可以忽略.此外，詳細的設計和過程信息有助於提高模型的適用性
  5. Zhou shengyu （ computer application ） directed by chen xiaomin because of the radiation in space enviroment, the data in sram of the aerospace computer will nomally experience single event upset ( seu ) errors at a scale of small probability. had not been corrected in time, these errors would effect not only the performance of the computer system but also the transmission of the key data.

    由於輻射導致的單粒子翻轉效應seu （ singleeventupset ） ，使得航天計算機上的靜態存儲器sram中的數據可能出現小概率錯誤，這種錯誤若不及時進行糾正將會影響計算機系統的運行和關鍵數據。
  6. Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated

    文摘:為了保證靜電監控器的導航定位精度，需要了解靜電陀螺的姿態誤差特性，建立相應的誤差方程.本文採用球面三角形原理推導了導航定位誤差與陀螺姿態誤差的關系式.模擬結果表明，由初始定向誤差引起的經度誤差和距離誤差的時間特性是周期變化的；由陀螺漂移引起的經度誤差和距離誤差是隨時間發散的.因此，初始定向誤差和陀螺漂移的影響不能忽略，必須對其進行估計和補償
  7. Due to temperature performance of fbg, a reference fbg is adopted to compensate temperature and the compensation principle is expounded. moreover, this scheme not only realizes temperature compensation but also reduces repeatability error of ffptf and errors from power fluctuation of light source, noise of pd and noise of electro - circuit. in the end, temperature and strain performance of fbg is tested and

    基於光纖光柵的溫度響應特性，提出用一個參考光柵來進行光纖光柵傳感陣列溫度補償的設計方案，並論述了其補償原理，證明了該方法的可行性；同時可以看出，該方法不僅可以實現溫度補償，也可以減小光纖f - p可調諧濾波器的重復性誤差以及光源功率波動、探測器噪聲和電路噪聲等引起的誤差。
  8. Many of communication systems take the convolutional code and viterbi algorithm as the channel coding scheme. the viterbi algorithm decoding is a kind of maximum likelihood decoding, and its performance is good over additive white gaussian noise ( awgn ) channel, but when burst errors occur, the decoding performance may be greatly degraded

    維特比譯碼演算法是最大似然譯碼，在由高斯白噪聲引起的隨機錯誤的通道中有良好的性能，但當通道錯誤集中或為突發錯誤通道時，維特比譯碼演算法則性能急劇下降。
  9. In the body of the dissertation, different performance indexes are defined and analyzed based on the analysis of different types of fwl errors in digital controller, and different fwl digital controller design and realization problems are considered and solved. the major contributions of this dissertation are as follows : considering the fwl errors of controller coefficients, define and analyze the closed - loop transfer function sensitivity measure with respect to the controller coefficients, obtain the optimal controller realizations via minimizing the transfer function sensitivity measure

    本論文首先對數字系統，特別是數字控制器設計與實現中的有限字長問題和非脆弱控制器設計的背景、歷史發展情況等作了簡單介紹，然後通過分析數字控制器中不同來源的有限字長誤差，定義不同的性能指標，較系統地分析並討論不同的有限字長數字控制器設計和實現問題。
  10. The frequency of errors in grammar and punctuation has become a serious concern, the state examination commission said in a report after reviewing last year ' s exam performance by 15 - year - olds

    愛爾蘭國家考試委員會在針對去年15歲學生考試成績的評論報告中稱，語法和標點錯誤頻頻出現，已成為一個嚴重的問題。
  11. Secondly, the effect of distance function for clustering performance is researched, the disadvantages of euclidean distance for part family formation are pointed out, a more suitable part - machine processing feature related distance function is put forward, with which the clustering errors for parts and machines are basically eliminated

    第二，深入研究了距離函數對fcm聚類性能的作用，指出歐幾里德距離函數對于製造單元構建問題的不足，提出了更加符合成組技術需要、反映問題本質特徵的距離函數，解決了fcm對具體零件和設備的聚類錯誤問題。
  12. The technology not only reduces working procedure but avoids conversion errors caused by making transition model, and can ensure edm performance of the obtained electrode using the combination of puls

    該工藝不僅減少了工序，還避免了因翻制過渡模型帶來的轉換誤差，將脈沖電鑄和電弧摘要噴塗紫銅背村相結合製造電極，能保證電極的電加工性能，可以實現高效率、高精度和低成本的快速模具製造。
  13. Refers to an ability to monitor or measure the level of a product s performance and to diagnose errors

    「檢測」一詞是指監視或測量產品性能級別和診斷錯誤的功能。
  14. The problem of doa ' s estimation of multiple source signals incident on a arbitrary array in the presence of both unknown spatially correlated noise and sensor errors is firstly considered. a modified ml estimation of doa ' s and sensor gain errors is presented. unlike previous work, the proposed method does not impose any structure constraints or parameterization of the signal and noise covariances. the algorithm can be carried out via the alternating projection approach. finally, the performance of the proposed method is shown with computer simulations as well as real array data

    在空間相關色噪聲環境及存在陣列模型誤差情況下，首先給出了基於最大似然的doa及陣列幅相誤差聯合估計演算法，該演算法對信號和噪聲無任何約束，且適用於任意陣列結構。演算法可以利用交替投影迭代搜索實現，計算機模擬實驗和外場實測數據表明，本章演算法能給出比傳統的最大似然方法更高的估計性能。
  15. Under ideal conditions, adaptive array signal processing methods can get excellent performance and adaptive beamformers provide an improvement in array output signal - to - interference - plus - noise - ratio ( sinr ) in comparison with conventional beamforming. in practical operating circumstances, the performance of adaptive array signal processing methods degrade extremely due to existing errors

    但是，在實際系統中總存在有誤差，包括自適應訓練樣本有限次快拍引起的協方差矩陣的估計誤差和各種系統誤差，誤差使得實際陣列流形與理想陣列流形存在差異，這時自適應陣列信號處理的性能會急劇下降。
  16. Both can improve the performance of state estimation. due to former condition, the method that the power equations are resolved directly to decide the placement is applied. the method, which reduce covariance errors of the measurements, is adopted under the later condition

    前者採用使系統功率方程直接可解的方法確定pmu的測點布置；後者採用減小狀態估計量測量的誤差方差的方法宋確定pmu的測點布置。
  17. Because the performance of analogue receiver is not good, the gain - and - phase errors of receivers are generated, which badly affected the image of sar

    由於接收機模擬器件的非理想性和非穩定性，接收機對回波信號進行幅相調制，產生幅相誤差，影響合成孔徑雷達的成像結果。
  18. In the non - gaussian filtering algorithm, the measurement errors incorporating the multipath effects are modeled as the non - gaussian noise, and the filter are modified according to the score function. this algorithm, designed to track low - elevation targets, avoids the degrading of me performance because of ;. c non - gaussian noise in the filter

    在非高斯演算法中，由於多徑誤差的影響，目標高度方向上的測量誤差表現為非高斯噪聲，首先建立觀測噪聲的非高斯模型，然後利用非高斯噪聲下的濾波演算法跟蹤低空目標。
  19. The third part analyzes and comments on the current operation of judge system and the existing problems from three aspects such as ideological concept, concrete systems and the social influence on professionalization of judg es, and points out that conception errors results in that judiciary independence cannot be realized both inside and outside the judicial system, and many factors that hinders professionalization of judges exist in the social environment. these will form great barriers for the construction professionalization of judges. at the same time, this dissertation makes some rational analysis on the current situation of judges from quantity, qualification, work performance and draws a conclusion that professionalization of judges can be constructed at the present foundation

    文章的第三部分從思想觀念和具體制度對法官獨立的支持程度及社會環境對法官職業化建設的影響三個方面對我國現行法官制度運行狀況及存在的問題進行了描述和評析，指出：觀念上的錯位導致審判獨立在司法機關內外部兩個層面都無法真正實現，社會環境中存在著不利於法官職業化建設的諸多因素，難以養成職業法官群體，這些都構成法官職業化建設的巨大障礙；同時，從數量、素質、業績方面對法官隊伍現狀作了定量分析，認為在現有法官隊伍基礎之上完全可以推行法官職業化。
  20. In order to make the mechanisms possess high efficiency, high stability, and low cost, a thorough study for constraints and overconstraints in the linkage mechanisms, self - adjusting mechanism and self - adjusting structures of the mechanisms, the degree of the influences of errors in different kinematic pairs on performance of the mechanisms, and the theory and method of designing for the mechanisms without overconsstaint was carried out in this dissertation. on the basis of the generalized constraints and on principle of designing and controlling the constraints advantageously, the conceptions such as basic constraint, statically constraint, and over - statically constraint were put forward for the first time

    論文的主要研究成果及創新點有以下幾部分： （ 1 ）基於廣義約束的概念，從有利於設計和控制約束的原則，對機構及機械繫統中的常見約束進行了分類，首次提出了「基本約束」 、 「靜定約束」及「超靜定約束」的概念和分類定義；並首次將虛約束、重復約束、消極約束、多餘約束、過約束等概念，從本質上統一起來進行定義，將其都統一稱為「過約束」 。
分享友人
分享到 Line

分享到臉書