數字不穩定性 的英文怎麼說

中文拼音 [shǔzìbùwěndìngxìng]
數字不穩定性 英文
numerical instability
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 穩定性 : antiwhip
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  2. The features of the new type of integration scheme can be described as follow : high division and easy debug are achieved in the scheme ; accumulative total is used, and the discord of integer part and decimal part are avoided in the scheme ; it can divide as well as detect direction ; it can integrate the counter into isp device and then evaluate the maxim frequency of the counter ; it also integrate square wave and some logic devices into isp device, and then improve integration, reliability, stability ; and have the character of software designation instead of hardware designation and in - system programming, and it becomes very easy to modify the circuit and to extend the function

    新型的集成化設計方案具有以下特點：細分數高而且調整方便；採用累積計數，避免大小數分別計數的不協調；細分同時完成辨向；可以在isp器件內完成計數功能，從而提高了計數器的最高工作頻率；同時將方波發生器和一些外圍的數字電路集成在一片isp器件內，提高了系統的集成度，性能可靠穩定；具有硬體設計軟體化及在系統可編程的特點，便於電路的修改和功能的擴展。
  3. The model of the inverted pendulum is : as an equipment, low cost, simple machinery, easy to perform all kinds of controls in simulation and digital ; as a controlled object, quite complex, high orders, instability, non - linearity, strong coupling system. we can keep it stable through some control method

    倒立擺的典型性在於：作為一個裝置，其成本低廉，結構簡單，便於模擬，數字實現不同方式控制；作為被控對象，又相當復雜，是高階次、不穩定、非線性、強耦合系統，只有採取行之有效的控制方法方能使之穩定。
  4. This paper simulates the effect of voltage fluctuation inspection through the tool of matlab. and proves the filters ' s stability. in the part of self - checkout, pi ( proportional integral ) control arithmetic is put forward to check the gain k and the calculated results show the method ' s effectiveness. then many comparements toward pst are done in different realization methods such as different interpolation points classification number and sample frequency. though simulation and calculation we can see the designed flicermeter can meet our country ' s standands

    文中利用matlab對電壓波動的檢測效果進行了模擬；並對涉及到的濾波器的穩定性做了證明；在自校驗部分提出了將pi （比例、積分）演算法用於數字濾波器增益k值的確定，取得了不錯的效果；然後分別從取不同插值點、不同分級數和不同采樣頻率這幾個方面出發，對計算出的p _ （ st ）值進行了比較。
  5. In the processing of the numerical simulation of lrv dynamics, knowing from the creepages of irw first, wheel profile has sensitive effect on irw creepages, so the wheel profile should be selected cautiously to optimal the vehicle dynamic behaviors. next, the longitudinally creep force is disappeared, so the self - oscillation vvill do n ' t occur and the bogie is stability. while the natural steering action of vheelset is lost which means that some sort of steering action is necessary to keep the wheelset appropriately aligned on a curve

    在輕軌車輛動力學數字模擬計算中，通過對獨立旋轉車輪蠕滑率的分析知，車輪踏面外形對其影響十分敏感，適當的選取獨立旋轉車輪踏面的外形可以優化車輛的動力學性能；採用獨立旋轉車輪，縱向蠕滑力不復存在，自激振動不會發生，轉向架也就穩定；但同時，常規輪對具有的自動導向功能西南交通大學碩士研究生學位論文第11頁也失去了。
  6. On the basis of investgation on the related literature of electronic speed governor at home and abroad, this proper control parameters are obtained through the experimental research of the pid digital control parameters with the orthogonality method and through the analysis of the speed change of gasoline engine rev. the electronic speed governor designed hereby performs its controlling fuction through programs, the stable rev and static timing rate of which are also set and controlled by software, has, therefore large universality and function flexibility. so for different types of gasoline engines, the obtainment of relevant parameters and the designing of relevant programs suffice to realize the control functions of the electronic speed governor

    本文在分析研究國內外有關電子調速器的基礎分析方法及其研究狀況的基礎上，採用pid數字控制，並用正交試驗方法對pid數字控制的控制參數進行試驗研究，得到了合適的控制參數。所設計的電子調速器是靠控制軟體來實現調節和控制功能，穩定轉速、穩定調速率等都可以進行程序設定控制，具有很強的通用性和功能擴展能力。對不同型號的汽油機，只要經試驗取得合適的控制參數，編制出相應的控製程序，就可以使用此電子調速器進行轉速控制。
  7. Measurement and characterization of surface texture is an important aspect of precision metrology. historically this has involved partitioning a profile into different wavelength regimes referred to as roughness, waviness and form followed by numerical quantization. parameters computed are then inspected for tolerance compliance to ensure a part performs its intended function. this approach is satisfactory when the specification has been carefully determined and the process is stable. however, when the manufacturing process is under development or when instability or modifications to the process invalidate specifications, there is a need to study surface finish parameters in relation to functional performance or process measures. in this context, the problem of surface texture classification and recognition are discussed. advanced techniques developed for this purpose along with applications are presented. also, the techniques discussed here will be useful across large bandwidth, from the characterization of nano scale to traditional micro scale surfaces

    表面結構的測量與特徵描述是精密計量技術的一個重要方面，傳統上包括將輪廓情況根據不同的波長范圍劃分為粗糙度、波紋度和形狀及后續的數字量化.按算得的參數檢查它是否為公差允許，以保證零件執行其指定的功能.當技術特性已經經過仔細確定，並且其過程穩定時，該方法是令人滿意的;但是，當製造過程正在進行中或過程的不穩定、過程變化使技術特性失效時，就需要研究和功能表現及過程評定相關的表面參數.討論了表面結構的分類與識別問題.同時闡述了為此目的而開發的先進技術及其應用.所研究的技術對從納米尺度到傳統的微米尺度的較大帶寬范圍內的表面特徵描述都是有效的
  8. According to the drawbacks and stability of algorithms in color processing of printing images in current printing industry, a new method for transforming color spaces and color separation based on digital image processing and pattern recognition is presented, and a system of color printing micro - dot image has been designed

    針對當前印刷領域中印刷圖像色彩處理方式的穩定性及存在的不足，本課題提出了一種新的基於數字圖像處理和模式識別技術的色彩處理方式，即印刷色彩空間轉換及分色原理，同時設計出了一個彩色印品顯微網點圖像分色系統。
  9. That the common amplifier count rate is low, temperature voltage drift is very good, the machinery adjustment is rough and instability, in order to overcome these shortcomings ; we use digital potentiometer relay x9511 and precise operational amplifier op37, the electric circuit structure become simple

    為了克服一般放大器計數率低，溫漂大，機械調節粗糙不夠穩定等缺點，使用了非易失性數字電位器x9511和精密運放op37 ，使電路結構大大簡化。
  10. Compared to the traditional dynamic balancing instruments, this instruments has the more friendly soft panel, and can be used more conveniently ; has two mode to get digital signal, one is by acquisition clip and the other by series communication ; use crosscorrelation analysis to improve the accuracy of the measure results ; use software method to eliminate the bad influence caused by missing signals ; have multiple methods of dynamic balance ; have some functions of fault - diagnosis ; and combined lab view program with database using dll. it has been proved that the balancing instrument can be used more conveniently, has complete functions and can obtain satisfying result

    與傳統動平衡儀相比，木儀器面板更加友好，使用更加方便；可通過採集卡，串口通信兩種方式進行數據採集；利用相關原理對採集到的數字信號進行分析處理，提高了測試結果精確度和穩定性，並用軟體方法解決了因漏採信號，引起的對信號處理的不良影響；包含多種平衡方法；具有一定的故障診斷能力，可擴展性好；並利用dll技術實現了labview應用程序與c + + builder數據庫功能的相結合。
  11. And more, a fuzing - decision data fuzion method based on fuzzy mathematics is put forward and simulated. it ' s been proved that this method could improve the robustness of the control system effectively

    論文提出了不進行異常值預處理，而直接進行引信決策數據融合的模糊演算法，同時進行了數字模擬，結果表明該演算法能有效抑制異常傳感器、增強控制系統引信決策的穩定性。
  12. Text is a kind of very common resource in digital library, and lossless techniques play an important role in compressing text. starting from the shannon ' s entropy theory, we analyze the lossless compression algorithms, and implement arithmetic coding algorithm in c. in the experiments, we compare four different lossless compression algorithms by their performances such as compression rate, compression rate tendency with the length of data, stability, and complexity, using 35 groups data series with 4 different length

    本文從信息論中shannon熵定理出發，對無損壓縮技術進行系統地分析，用c語言實現了其中的算術編碼演算法，並用它對35組、四種不同長度數據序列進行了壓縮，給出了實驗結果，然後從壓縮比、壓縮比隨字元串長度的變換趨勢、演算法穩定性和演算法復雜性等四個方面對其與其它三種壓縮演算法lzw 、 lz77 、 rle進行了分析與比較。
  13. Under the comprehensive research and generalization of digital image processing, we got the general procedure about digital image processing. based on the general procedure, following the agile method and extreme programming, applying the recursive procedure composed by require analyze 、 framework design 、 coding, finally we got a experimental 、 stable 、 opened score platform. we checked the theory by practice

    通過對數字圖像處理的全面研究和總結，得出數字圖像處理的一般過程，以此一般過程為基礎，按照敏捷思想和極限編程方法，通過需求分析，架構設計，編碼等幾個不斷迭代進行的階段，最終開發出一個具有實驗性質的、穩定的、開放的評估平臺，運用實踐來檢驗了理論。
  14. It take digital measurement technology, has the characteristics of high precision, high stability, immune to environmental disturbance of all sorts of factors

    由於光纖光柵傳感器採用數字式測量技術，具有精確度高、穩定性好、不易受外界各種因數的干擾等特點。
  15. In this paper, the microwave ranger finder adopts two lattice 1016 pld chips to integrate some separate circuits and make the function simulation. it proves the isp chip may improve the stability of the system and may reduce the power consumption too

    同時由於在系統可編程邏輯器件的集成度不斷提高，可以在單片晶元中集成整個數字電路系統，使得系統的穩定性得到了提高，而且體積、功耗大大減小。
  16. Compact and modularly built with a footprint of just 0. 8m2, they are the world s first a0 machines that can be stacked or separated. the plotter adopts a universal design allowing easy accessibility for engineering and manufacturing cad printing, copying and scanning. with smooth precision, excellent resolution and remarkable performance, docuwide 6050 6030 optimize office efficiency and maximize bottom line, making them the natural choice for today s engineering input output environments

    該數碼多功能一體機docuwide 6050 6030系列具有每分鐘5張a0的速度600 1200dpi質量的輸出解析度自動背景抑制等功能，而且它採用了高性能的控制器，具備高的可靠性和穩定性，實現了快速的數據處理和高性能的圖紙列印輸出它不僅具備復印列印掃描功能，而且能夠實現圖紙及技術資料的電子化管理，充分滿足圖紙的使用部門或管理部門對圖紙和技術文件數字化網路化的需求，實現工程文件和技術文件的統一管理。
分享友人
分享到 Line

分享到臉書