數字相位表 的英文怎麼說

中文拼音 [shǔzìxiāngwèibiǎo]
數字相位表 英文
digital phase meter
  • 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 ...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 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
  • 相位 : phase position; phase
  1. It is approved that the proposed method has higher antinoise and signal - to - noise ratio than the direct correlation method

    能過數字模擬對比表明，該方法優于直接相關定位法，具有較強的抗噪聲能力，提高了信噪比。
  2. Gis ( geographic information systems ) is a computer system with collecting, checking, intergreting and analysing information which is related with interface of earth. digital terrain model display two demission geographic position and relational properts information with digital pattern. dtm is an important component of gis, and is basic of " digital earth "

    數字地面模型（ digitalterrainmodel ， dtm ）是地表二維地理空間位置和其相關的地表屬性信息的數字化表現，是地理信息系統（ geographicinformationsystem ， gis ）的重要組成部分，是數字地球的基礎。
  3. Digital phase meter

    數字相位表
  4. 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。
  5. The international metric measurement system should be applied to all numbers, which should be standard arabic

    計量單位為國際通用單位制和我國法定計量單位，年月日和相關數字已錄用阿拉伯數字表示。
  6. The thesis analyse the error and the feasibility of the system. because the precision of position and direction is related with the precision of the heading and the distance, the thesis discuss the method of obtaining the distance using milemeter, water milemeten engine ' s rotate speed and accelerometer, and the method of obtaining the heading using the combination of the gyrocompass and the digital compass. then the thesis introduce the details of the system realization, include the hardware and the software

    由於航位推算的精度與航程和航向的精度直接相關，因此，論文討論了用里程計、水速表、引擎轉速或加速度計等獲取里程的方法，用航向保持器和數字磁羅盤組合的方法獲取航向角的方法（初始尋北由數字磁羅盤來完成） ，這為採用數據融合方法提高航程和航向精度打下了基礎。
  7. Dpsk is one of the means to represent digital information through relative carrier phase of the neighboring symbols

    Dpsk方式即是利用前後相鄰碼元的相對載波相位值去表示數字信息的一種方式。
  8. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理，研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  9. The simulation results show the method can attain our aim under harmonic condition. then the calculation errors have been analyzed

    模擬結果表明，在有諧波干擾的情況下，數字鎖相環方法可以準確地跟蹤信號頻率的變化和計算相位差。
  10. On the basis of summarizing the common principle and method of selection of system structure and setting function and means of implementation, we research mainly on such subjects as follows : firstly, we studied the implementation of text extraction and digital signature by cad secondary development technology combine with database technique. secondly, based on method for pre - processing scanning images of drawings, finally, the application of artificial neural network in engineering drawing sign character recognition was researched. in this thesis, we presented the building model and implementation method has some references to the designing work of similar system

    在論述系統結構選取、功能構建以及實現技術的一般原理和方法的基礎上，進行了以下幾個方面的研究：首先研究了cad二次開發技術同數據庫技術相結合實現系統圖紙文本信息西安理工大學碩士學位論文提取和電子會簽功能，然後研究了掃描圖紙的圖像處理技術，為圖紙的矢量化和智能識別提供圖形表達準確、圖形要素和字元要素分離的數據源，最後研究了人} _神經網路技術在} _程圖紙標識字元識別中的應用。
  11. Finally, a new 3d surface ranging method based on a digital fringe projection and shifting technique is systematically studied and non - linear rectification algorithms which reduce measurement error is proposed. at the same time, the noise - immune phase unwrapping algorithm is deeply studied and a new algorithm for phase unwrapping of phase map is proposed. experiment make known the algorithm can reduce measurement error, bypass the noise points automatically, solve the problem of the shade sheltering or cavity, overcome the error propagation problem and better results have been obtained

    論文最後系統研究了基於數字相移條紋投影曲面三維測量方法，創造性地提出了一種減小測量誤差的非線性校正演算法，取得了預期的效果；同時對相位去包裹演算法進行了較深入研究，提出了一種噪聲圖像相位去包裹方法；實驗表明該方法能減小非線性測量誤差，自動避開噪聲點和間斷點，獲得了滿意的結果。
  12. To make the expression of the numerals system very simple, a simple expression of numerals system is given, and some property of the numerals system n is discussed. the conclusion points out n and p have the same ability in inference

    本文給出了一個形式化的表示過程，在此基礎上，討論了數字第頁西南交通大學博士研究生學位論文系統萬中的若干性質，研究結果表明萬與屍具有相同的推理能力。
  13. In a positional representation system, a borrow digit is transferred to the digit place with the next higher weight for processing there

    在按位表示的系統中，借位數字被傳送到相鄰較高權的數位上處理。
  14. Chapter 4 proposes 2 algorithms which pointed to digital lcos and analog lcos, compared with other algorithems that have published, this 2 algorithm can achieve 8, 64, 4096 colors and 24bit true color, which means they have very good color adaptability. the clock computing after that mapped the 2 algorithms into the clock definition level of fpga, which means good engineering implementation. the clocks computing here are based on the 2 algorithms, and these establishes foundation for the rest analyse & design works

    第四章在前人工作的基礎上提出了針對數字式lcos和模擬式lcos像源的2種fsc演算法，相對于其它公開發表的演算法來說，這2種演算法可實現8色、 64色、 4096色、 24位真彩色等不同色彩數下的fsc顯示，具有更好的色彩適應性，且隨后的時鐘計算將這2種演算法映射到fpga內的時鐘定義層次，具有更好的可執行性和工程實踐性。
  15. In addition to have the function of public certificate authority ， it has some advantages : enterprise can make security policy and digital certificate content. certificate can be managed by enterprise ， and creating or revoking certificate is implemented at public certificate authority. enterprise can establish a trustable network environment by employing special digital certificate service ， which can help the company save much money and human resource

    本文所論述的專用數字證書服務允許企事業單位向其內部網路和外部網路用戶發放數字證書，這些數字證書在功能上與公眾ca發放的數字證書完全相同，不同的是通過企事業單位與公眾ca協定，在明確了雙方的分工、責任和權限的基礎上，企事業單位可以自行確定安全策略、證書內容，自己公布證書撤銷列表，由企事業單位自己進行證書的前端管理而由公眾ca負責後端核心的ca任務。
  16. In case where long - range communication is needed, spatial diversity blind equalizer ( sdbe ) is an effective way to improve snr and suppress distortion. joint carrier phase recovery with sdbe using second order digital phase lock loop is presented to track the doppler shift, and a kind of quantization method is used to reduce the complexity of the multi - channel algorithm. its performance is very similar to the original one

    模擬結果表明，採用二階數字鎖相環的空間分集均衡演算法的跟蹤性能超過了採用一階鎖相環和未加鎖相環的演算法，可有效補償由於水聲通道時變而引入的載波相位快速變化；採用誤差量化的演算法和原演算法的收斂和踉蹤性能都很接近。
  17. For the 32 phase states, within the frequency band of 60mhz 10mhz, the insertion loss of the phase shifter is lower than 2. 3db, the imbalance of scope is lower than 0. 3db, the phase error is better than 3. 3 degree, the input / output vswr is lower than 1. 7. physical dimension is 40mmx30mmx20mm

    實測結果表明:中頻寬帶五位數字移相器在60mhz 10mhz頻率范圍內， 32個相位狀態的插入損耗都低於2 . 3db ，幅度不平衡小於0 . 3db ，相位誤差小於3 . 3度，輸入和輸出電壓駐波比都小於1 . 7 。
  18. Ordering character - data fields the same as table columns

    對字元數據欄位和表列進行相同的排序
  19. Simulation results show that the controller is able to accurately control the plant. adaptive inverse control structure for linear systems is applied for aeroengine control systems

    以非最小相位的線性系統為例，進行了自適應逆控制的數字模擬，結果表明該方法的有效性。
  20. Manufacture of commercial refrigeration, residential and light commercial hvac markets

    -數字雙鉗相位表生產廠家。
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