數字改正 的英文怎麼說

中文拼音 [shǔzìgǎizhēng]
數字改正 英文
numerical correction
  • 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 ...
  • 改 : Ⅰ動詞1 （改變） change; transform 2 （修改） revise; alter; modify 3 （改正） rectify; correct 4 ...
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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
  • 改正 : correct; amend; put right改正液 correction fluid
  1. The non - simp chinese system player, if you can not run the setup, youcan try to rename the setup programs name to anything you want. example : change it to a number, then you can run the set up

    非簡體中文操作系統的玩家，如果無法運行安裝，可以嘗試將安裝程序隨意更改一個文件名，比如一個數字之類，這樣就能正常安裝了，謝謝支持！ ！
  2. 2. press set key at five sec is unlash after display p - s, here display s number is code, if function is going to recompose, please number was 18 first, again press set key is come into function set. it can automatism backing out up to snuff work, if it is dont press set key or code is error

    2按set鍵5s直至顯示p - s後放開，此時顯示的數值為密碼，若要修改儀表功能，請把數字修改成88 ，再按set鍵，即進入功能設置，如果不按set鍵或密碼錯誤，則自動返回正常控制測量。
  3. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  4. From then on, digital wave surged ahead, and digital technology is changing our life

    從此，數字化浪潮滾滾向前，數字科技正在改變我們的生活。
  5. The system can generate three - phase spwm pulses and has following characters : the range of modulation frequency is from 0 khz to 4 khz. and can be divided to 7 classes to control. the carrier frequency may be selected up to 24 khz, and can be divided to 8 classes to control ; rotational frequency is defined to 16 bits

    該系統能產生三相六路正弦脈寬調制（ spwm ）波形;調制頻率范圍為0 4khz ，分7級控制; 16位的速度控制解析度;載波頻率分8級控制，最高可達24khz ;系統介面兼容intel系列和motorola系列單片機;該系統控制簡單、精確，易修改，可現場編程;同時具有脈沖延時小、最小脈沖刪除、過壓和過流保護功能等特點，可應用於pwm變頻調速系統的全數字化控制。
  6. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  7. However, owing to its opening, the information which is published on internet subject to many attacks, such as unauthorized wiretapping, intercepting, destroying, copyright infringing, abusing, hacker attaching and virus infecting, etc. because digital information on internet can be copied, modified and transmitted, copyright infringing on internet is becoming more and more serious ; now information tech is used more and more in the society, domain that internet concerns spreads fast, it play an important role in many fields, such as bank, business, government, army and so on. in these fields, demand of keeping secret is increasingly imminent

    然而正是由於它的開放性給在internet上發布、傳輸的信息帶來了巨大的威脅：網上的信息會被非法竊聽、截取、篡改或破壞；由於internet上的數字化信息可以被很方便地復制、修改和傳播，因特網上侵權問題越來越嚴重；並且，隨著社會日益信息化， internet所涉及的領域越來越廣，在諸多領域起了非常重要的作用，如銀行系統、商業系統、政府部門和軍事領域，這些領域對信息的安全保密要求也日益迫切。
  8. The methods of digital projection based on dsm ; researches and experiments illustrated that the measurement and alteration of common digital camera is successful, researches and improvements in basic algorithm which is applicable to photogrammetry based on ordinary digital images is accurate and dependable, this photogrammetric techniques and methods based on ordinary digital images can be applied extensively in engineering which requests a moderate accuracy

    基於dsm的數字投影轉繪方法研究；研究及實驗表明，論文所述的普通數碼相機量測化改造方法可行有效，研究及改進的適用於普通數字影像的近景攝影測量基本演算法正確可靠，基於普通數碼相機的量測化作業方法可以在中等精度要求的工程中廣泛應用。
  9. 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。
  10. An improved digitally self - calibrated pipeline a d converter

    一種數字域自校正流水線模數轉換器改進結構
  11. Secondly, comparing with the algorithm that was given by english scholars a. k. nandi and e. e. azzouz in 1995, this dissertation presents a modified automatic recognition algorithm of six kind of digital modulation types such as 2ask, 4ask, 2psk, 4psk, 2fsk and 4fsk, which only uses four key features, and has a very great exaltation in the rate of correct recognition and the performance of signal to noise, we puts forward the constitution of the best threshold which is applicable to the signal that changes within the scope of the signal to noise rate ( snr ) from 5db to 30db, and the overall success rate is not lower than 92 % when snr is over 7db

    其次，針對1995年英國學者a . k . nandi和e . e . azzouz提出的針對2ask 、 4ask 、 2psk 、 4psk 、 2fsk和4fsk這六種常用的數字調制信號識別的演算法，提出了一種數字信號調制方式識別演算法（ dmra ）的改進演算法。該演算法僅利用四個特徵參數，就可以識別這六種調制方式，而且在調制識別率和信噪比性能上都有了很大的提高，能夠在信噪比不低於7db時，對實際信號的識別正確率高於92 % 。並且提出了最佳門限的設置方法，設置的門限適用於信噪比在5db ~ 30db范圍內變化的信號。
  12. Investigation using remote sensing ( rs ) technology can breakthrough the limits of traditional methods, make full use of its capability of integration, visualization, rapidity and vast - dimensions analysis, and get better results the paper takes the up - to - date landsat - 7 etm + data, which is the most widely used, and quickbird data, which has the highest resolution nowadays, and according the features of the data and landslides, processes the quickbird data with 1 : 10 000 dem orthophoto correction and the landsat - 7 etm + data as follows : ( 1 ) selecting optimal spectrum band : selects 753 bands as the optimal bands ; ( 2 ) image intensifying : selects the principle components processing method on the basis of comparing several image intensifying methods ; ( 3 ) rigour geometric direction : corrects the geometric distortion of the map ; ( 4 ) image fusion : mainly takes his space transform fusion and resolution fusion method, and acquires maps with higher spectrum resolution as well as space resolution. after that, the visual effect of the image has been enhanced, and the interpretation precision

    採用遙感技術，可以突破傳統調查方法的限制，發揮其宏觀、綜合、直觀、快速的特點，取得更好的效果。論文選取目前應用最廣的陸地衛星最新系列landsat - 7etm +數據和空間解析度最高的商業衛星quickbird數據作為主要的數據源，根據數據的特點及滑坡災害應用特徵，對quickbird遙感數據則基於1 ： 10000dem進行了正射校正，對etm +遙感數據進行了波段優選，選取了753作為最佳組合波段；圖像增強，通過各種增強處理方法的效果對比，選擇主成分分析法對圖像進行增強；幾何精校正，糾正圖像的幾何變形；影像融合，主要選取了效果較好的his空間變換融合和解析度融合，得到的圖像既具有較高的光譜解析度，同時也具有較高的空間解析度。經過上述數字處理，較好地改善了圖像的視覺效果，提高了圖像解譯的精度。
  13. For symbol synchronization, a filtering and squaring algorithm of estimating the timing error has been introduced, and a method to improve the accuracy of estimated data has been presented, then two signal interpolation filter have been analyzed, one is fir interpolation filter, another is cubic interpolation filter

    對于全數字接收機中符號定時誤差的恢復，先介紹了一種濾波平方后求符號定時誤差估值的演算法以及一種提高該演算法估值性能的改進方法，接著介紹了糾正定時誤差的fir插值濾波器和立方插值濾波器。
  14. The application of the digital video recording technology changes the treatment for the video signal from the traditional simulation to the digital. it is the great innovation in the surveillance fields that providing the well computer platform for system integration and non - human monitoring trend

    數字錄像技術在監控系統中的應用，將傳統對視頻信號模擬處理方式改變為數字處理方式，是監控領域中的重大革新，並為系統集成提供良好的計算機平臺，真正達到監控的無人職守。
  15. The controller of the anti - skid braking system has already passed the experiment. the result shows that the hardware design of the anti - skid braking system ' s control box is feasible, the control strategy used is correct and efficiency, the system is stable and the performance of the anti - skid braking system is improved.

    課題所完成的飛機剎車系統數字控制盒已通過慣性臺的基本試驗，結果表明：飛機剎車系統數字控制盒的硬體電路設計合理可行，軟體設計所採用的控制策略正確、有效，系統運行穩定可靠，改善飛機剎車系統性能，能夠滿足型號飛機的需要。
  16. In our protection device, can is used for the communication of double mcu, one is the main protection mcu, which gathers the analog data, drives the switch - out and switch - in circuit, the other is managing mcu, which takes charge the person - computer dialogue and the communication with the outside devices

    本文採取硬體時鐘方式為數字保護裝置提供時鐘顯示，利用iic與時鐘晶元pcf8583的通信，直接取得對pcf8583進行時鐘校正和獲取時鐘，並對軟體時鐘進行修改。
  17. Some methods for overcoming these disadvantages are investigated as follows : first, using shield and magnetic circuit to shorten the sensor length and enhance the signal magnitude ; second, improving the data acquisition system to intensify the capability of fine defect detection ; at last, adopting digital signal processing technology such as homomorphic filter, wavelet transform and error correction to ensure detecting reliability

    本文結合有限元模擬和實驗方法，研究了改進遠場渦流技術性能的幾種方法，即：採用電磁屏蔽、磁路進行傳感器優化設計以縮短探頭長度、增大信號強度；改進信號調理電路以提高細微缺陷檢出能力；利用同態濾波、小波變換以及誤差修正等數字信號處理技術確保檢測結果的可靠性。
  18. Using the information of digital - map database still can compensate the position error in a scope. among them on the digital map platform, roads message database of harbin city was established which was developed by our self lab. utilization map matching algorithm shows the vehicle track on the correct road

    利用數字地圖數據庫的信息還可以在一定范圍內對定位誤差進行修正補償，在我們實驗室自主開發的電子地圖平臺上，以哈爾濱市地圖為模型建立道路信息數據庫，利用地圖匹配演算法將車輛位置顯示在正確的道路上，如果數據庫相當精確，這一技術能改進定位模塊的精度。
  19. On the other hand, recent advances in communication and modulation methodologice, as well as in adaptive digital signal processing and error detection and correction, have opened the way for the development of effective medium access control and physical layer protocols that support power line communications ( plc ) networks operating at speeds comparable to those obtained from specially wired and more recent wireless local area network in mid - 2001, an industrial standards organization called the homeplug powerline alliance, originally founded by 13 companies including cisco, motorola, intel, panasonic, and texas instruments, announced the completion of the homeplugl. o specification for a l. 0mb / s class in - home power line networking technology based on orthogonal frequency - division multiplexing ( ofdm )

    但是，近年來通信和調制技術的發展，特別是自適應數字信號處理和錯誤檢測及糾正技術，使電力線通信技術出現新的mac層和物理層協議，其性能可以和一些專用有線網路以及最近十年流行的無線局域網技術想媲美。在2001年，一個由13個公司（包括cisco ， motorola ， intel ， panasonic ， andtexasinstruments ）組成的組成的標準組織? ? homeplugpowerline聯盟，頒布了完整的homeplug1 . 0規范，改規范使基於正交頻分復用技術，主要針對10mb s室內電力線網路技術。
  20. Abstract : according to the dynamic demand of main shaft system, the structural dynamic modification method is used for correcting the stiffness of the supportings member and joints, so that the dynamic characteristic of main shaft system should meet the need of design. a practical structure of elastic supporting and elastic joints has been designed on the basis of corredcted stiffness of supporting and joint. the numeric simulation of main shaft system with elastic supportings and elastic joints are compared with its design requirement. their coincidence verifies the effectiveness of sdm method and the correctness of design method

    文摘:根據細紗機主軸系統的動特性要求，應用結構動力學修改方法來修正支承和聯軸節單元的剛度，以使主軸系統的動特性滿足設計要求.根據修正過的支承和聯軸節的剛度，一個彈性支承和彈性聯軸節的實際結構已經被設計出.比較具有彈性支承和彈性聯軸節的主軸系統的數字模擬與設計要求.其一致性證明了sdm方法的有效性和設計方法的正確性
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