校驗性能 的英文怎麼說
中文拼音 [jiàoyànxìngnéng]
校驗性能
英文
checking feature-
The verify experiment proves that its ratio and phase characteristics are much better than ordinary ones and the precision is enough for measure use. zero - flux current transformer can ’ t obtain absolute zero flux because residuary flux, so when the secondary turns is too small it will not satisfying. to improve the precision further, proposes a method to compensate zero - flux current transformer using capacitance parallel connected coil and deduces it
為了進一步抵消剩餘磁通，提高互感器的精度，提出了一種並聯電容線圈補償零磁通的方法，並進行了理論推導，設計了基於該方法的100匝電流互感器，通過校驗證明它可以改善零磁通電流互感器的比差和角差特性，提高互感器的精度，將電流互感器的二次匝數由普通互感器的幾千匝降到了100匝，提高了測量微小電流的能力。Special thanks to ute baumbach, ibm development lab db2 performance expert, for reviewing this article
特別感謝ibm開發實驗室的db2性能專家ute baumbach ，是他審校了這篇文章。The principles of erasure codes used under binary erasure channels are summarized and erasure codes which belong to standard classes of rs codes are introduced with emphasis on cascaded low - density erasure codes with linear time encoding and erasure recover algorithms. thresholds of regular degree distributions are analyzed. it is shown that low - density erasure codes based on ( d, 2d ) - regular sequences of degree distribution are not close to optimal ( d 3 ). two pares of irregular degree distribution sequences are introduced and a pare of improved right regular sequences of low - density erasure codes are presented, it is testified that the new sequences are asymptotically quasi - optimal. in the meantime, simulations of cascaded low - density erasure codes based on a few types of special sequences of degree distribution available are given, together with performance analyses on these codes
闡述了應用於刪除通道下的糾刪碼基本原理，介紹了兩類標準的rs碼類糾刪碼，重點分析了具有線性時間編碼和恢復演算法的漸近好碼?級聯型低密度糾刪碼，分析了正則度分佈的閾值，對正則低密度校驗碼在刪除通道下的糾錯性能進行了模擬，從理論上證明了基於（ d ， 2d ） -正則度序列的低密度糾刪碼都不是漸近最優碼（ d 3 ） ，同時還分析了非正則低密度校驗碼的度序列設計，基於右邊正則序列提出了一種改進型右邊正則序列，證明了此序列為漸近擬最優的，對基於幾類現有典型度分佈序列的級聯型低密度糾刪碼進行了模擬模擬及性能分析； 3In this paper, we study the stopping sets, stopping distance and stopping redundancy for binary linear codes. stopping redundancy is a new concept proposed by schwartz and vardy recently for evaluating the performance of a linear code under iterative decoding over a binary erasure channel. since the exact value of stopping redundancy is difficult to obtain in general, good lower and upper bounds are important
近年來，迭代譯碼的性能分析是低密度校驗ldpc碼研究領域的熱點問題之一， di等人在2001年指出：迭代譯碼在二元刪除通道bec中的性能可以由ldpc碼的停止集stopping set完全刻畫。Channel coding is based on more recent developments by the scientific community : low - density parity - check codes are adopted. low - density parity - check codes were first introduced by gallager in 1960. but due to the calculating effort in implementing, they were mostly ignored
其性能如此優異的一個重要原因是採用了當今糾錯編碼技術發展的最新成果? ?低密度校驗（ ldpc ， low - densityparity - check ）碼。Because the best grade limits does not vary with material property, firstly, we can confine material grade to the best grade limits when doing subbase mixture design, secondly, after systematic temperature contraction test, aridity contraction test and compressive strength correction test, we can determine the best cement percentage which has the best crack resistance property
因為最佳級配范圍是與粒料的粒徑大小有關的，所以在基層材料配合比設計時可首先將材料級配限制在最佳級配范圍以內，然後通過系統的溫縮、干縮性能試驗以及抗壓強度校核試驗，最終確定抗裂性較好的合理水泥劑量。Are such auto - calibration procedures acceptable instead of external performance checks
沒有外部性能校驗，這些自動校驗程序是可接受的嗎？Calibration of rubber and plastics test equipment - calibration schedules - electrical properties
橡膠和塑料試驗設備的校準.校準一覽表.電氣性能According to the requirements of propeller aerocraft model test in wind tunnel, specifications of the driven motor is presented by aerodynamic analysis, and a short - term operated high power density three - phase induction motor is developed with reasonably designing the motor, such as electromagnetism load, heat checkout and high - efficiency heat exchanger
摘要針對螺旋槳飛機模型帶動力風洞實驗要求，通過氣動性能分析提出驅動電機的技術指標，在滿足結構約束的條件下，通過合理設計電機的電磁負荷、校核發熱、採用高效冷卻裝置等，研製出短時工作制高功率密度三相異步電機。Meanwhile, mabs - 3000 not only is the combination of the three different systems : roller braking test, vehicle axle weight and speed meter test, but also has more functions, less pollution, lower cost and a more efficient composite system
該多功能abs檢驗臺在檢測汽車防抱死制動系統（ abs ）性能的同時還把汽車的速度表校驗、軸重檢測、制動性能檢測三個分離的試驗臺的功能合為一體，是一種集成度高、多功能的復合試驗臺。The industrial furnace is a complex and unwieldy object for control. scholars of control are paying a good deal of attention to this problem ' s solution. in this paper robust self - regulating algorithms is put forward, base on human practical operating for adjust system " s gain
基於人類在實際控制操作中調整控制增益的思想，提出一種魯棒自校正模糊控制器，並針對兩種不同對象進行了模擬研究，驗證其性能指標優于傳統模糊控制器。And the correction of a step wavefront produced by a step phase plate is accomplished successfully. 6. according to the phase modulation characteristic of an lcslm, arbitrary complicated wavefronts were modeled. the result shows that lcslm can be use to test the wavefront sensors and controller if lcslm has wider dynamic range and perfect optical quality
六、通過利用液晶空間光調制器的位相調制特性，成功地模擬產生了任意畸變波前，指出若該器件有更大的位相調制動態范圍和均勻性，將有可能成為校驗波前傳感設備和波前畸變控制系統性能的有力工具。On the other hand, in the approach based on vector - matrix, through several special operations on vector - matrix, we have constructed a sparse ‘ 0 ’, ‘ 1 ’ parity - check matrix with dual diagonal matrix whose structure can easily construct the code. the simulation results have demonstrated the performance of this approach is similar to that of - rotation while the complexity is also higher. this problem is to be solved in the future research
在基於矢量矩陣的結構化方法中，通過對矢量矩陣進行一系列特殊處理可以構造出稀疏的『 0 』 、 『 1 』校驗矩陣，而校驗矩陣中的雙對角結構易於構造出相應的ldpc碼字，模擬表明，採用矢量矩陣的結構化方法具有和-旋轉構造法相當的性能，但是實現的復雜度大於-旋轉構造法，同時碼率和碼長受到一定的限制，這也是未來需要研究的方向。This article first analyzes a paradoxical phenomenon that is predominant in campus lan settings where there is a large amount of idle cpu cycles available while at the same time the computing needs from many researchers ca n ' t be met. it proposes an idea of setting up a campus computing grid with a detailed plan for its implementation, discusses the challenges of upscaling a campus computing grid into an internet computing grid and suggests possible solutions. gram ( grid resource allocation manager ) of globus toolkit 3. 2 and relative technology on it is studied, and the solutions to extend gram to support task rescheduling and the cooperation type task are proposed. the design and implement of the gram client based on web that is the kernel part of the task anagement module are discussed, and the design of resource discovery module and task transfer module are gived
本文首先分析了校園網環境中存在大量計算資源閑置與科研人員科學計算需要得不到滿足之間的矛盾，給出了建立校園計算網格的構想及具體的設計方案，並提出了校園計算網格推廣到internet計算網格存在的問題及解決方案;研究了globustoolkit3 . 2中的資源分配管理器gram及其相關技術，並給出了擴展gram對任務再調度和協作型任務支持的解決方案;設計實現了校園計算網格中任務管理模塊的核心部分基於web的gram客戶端，並介紹了資源發現與任務遷移模塊的設計;然後在分析min - min調度演算法基礎上，借鑒qosguidedmin - min演算法的思想，並利用主機資源分類的思想，給出了在負載平衡和時間跨度都有較大改善的balance - qosguidedmin - min演算法模型的思想與實現;最後設計實現了調度演算法驗證模塊，並在此模塊上對比了改進的演算法balance - qosguidedmin - min與min - min演算法的調度性能。In this dissertation, the basic principles of the coding and decoding of ldpc codes are studied systematically, and some code - design problems such as the design of degree distribution sequences, the design of girths and the design of efficient encode - able ldpc codes are analyzed in detail. based on all these efforts, some positive results are obtained and summarized as follow : 1
本文在對低密度校驗碼現有理論的研究基礎上，系統地分析了低密度校驗碼在刪除通道下的糾錯性能和度序列設計、低密度校驗碼的圍長設計和快速編碼設計等編碼設計問題，獲得了一些研究成果，主要概括為： 1Performance analysis and study on linear extended shortened codes
校驗中擴展縮短碼的設計與性能分析The final work of the paper is evaluating image quality. as for images after radiometric calibration, 3 - dimention noise analyzing method is introduced. for image after geometric calibration, three performance parameter are used to evaluate the images, and algorithm of the paper is validated
給出了常用的輻射質量評估方法；對輻射校t后的圖像，引進了三維噪聲分析方法，起到了對圖像輻射質量和輻射校計方法的評估作用；對幾何校正後的圖像，採用並計算了三個性能參數，驗證了論文採用的校正演算法的有效性。Nevertheless, they can be divided into several categories on the basis of cost and performance : the personal computer or microcomputer, a relatively low - cost machine, usually of desktop size ( though “ laptops ” are small enough to fit in a briefcase, and “ palmtops ” can fit into a pocket ) ; the workstation, a microcomputer with enhanced graphics and communications capabilities that make it especially useful for office work ; the minicomputer, generally too expensive for personal use, with capabilities suited to a business, school, or laboratory ; and the mainframe computer, a large, expensive machine with the capability of serving the needs of major business enterprises, government departments, scientific research establishments, or the like ( the largest and fastest of these are called supercomputers )
然而，根據成本與性能，它們可分為幾類：個人計算機或微型計算機，一種成本相當低的機器，通常只有桌面大小（盡管「膝上型計算機」小到能夠放入公文包，而「掌上型計算機」能夠放入口袋） ；工作站，一種具有增強的圖形與通信能力、從而使其對于辦公室工作特別有用的微型計算機；小型計算機，一般就個人使用而言太昂貴，其性能適合於工商企業、學校或實驗室；以及大型機，一種大型的昂貴機器，具有滿足大規模工商企業、政府部門、科研機構或者諸如此類機構需要的能力（其中體積最大、速度最快的稱為巨型計算機） 。Under the pattern of cyber - education, open laboratories are becoming inseparable parts which still are weak in the process of teaching. as for electric experiment category, there are many problems in common, for instance, less safe in equipment systems, less functional in instrument protection, thus forcing students to spend large quantity of time reviewing, recording, and analyzing data, while students do experiment only with less time, which have negative effect on purpose of experiment, at the same time, this does not reflect benefits that internet brings us
然而當前大多數高校的實驗教學環節還比較薄弱，其中對電類實驗來說存在諸多共性問題，比如：實驗系統安全性差，儀表保護功能少，導致實驗器材損壞嚴重：儀表性能不穩定，零漂、溫漂現象嚴重，元器件線性度校正不夠，儀表測量精度差；學生做一次實驗要花大量時間記錄數據、整理數據、寫實驗報告，真正用在做實驗上的時間並不多，從而使實驗效率大大下降；同時也沒有充分利用校園網所帶來的便利和信息共享及互動的功能。This thesis is based on " yue tan shi jie " e - commerce web site ' s database structure of design, store and design, control, optimize, backup and recover, combined the theory knowledge of study at school and the database administration experience of some other web site, such as " zhong guo zhi men ", " agricultural product of china trade network ", etc., produced and published a practical scheme of database ' s structure design, store design, control, performance optimize and backup
本論文以「月壇視界」電子商務網站的oracle數據庫結構設計、存儲設計、監控和備份以及性能優化的實際工作為基礎，結合在校學習的理論知識以及在「中國之門」 ， 「中國農產品交易網」等網站的數據庫管理實踐經驗，製作出一套實用的數據庫安裝、表結構設計、監控、性能優化、備份的方案，簡稱數據庫管理方案。分享友人