進制補碼 的英文怎麼說
中文拼音 [jìnzhìbǔmǎ]
進制補碼
英文
complement of-
The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way
藉助虛擬儀器的思想，對測控系統進行了設計：採用光柵尺、光電編碼器測量可動部件的運動量，解析度高、誤差小；採用細分驅動的步進電機裝置，控制性能好；系統實施環境溫度的檢測、補償，提高了檢測精度；基於兩級微機組建測控系統：主機為人機界面，採用windows編程，從機用dos編程，實時性好；軟體設計採用兼容性和移植性好的模塊式結構，便於二次開發。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。Simultaneously, for preventing prematurity, crossover positions in crossover operator choose according to not equal probability. when bringing into new genes, reverse bit binary strings those have the same number as the optimal individuals are supplied, which settles gene absence problem reproduction results in
同時為了防止早熟現象，交叉運算元中的交叉位置按非等概率選取的方法進行；在納入新的基因時，加入與最優個體群等量互補的二進制碼串，解決了復制操作導致基因缺失的問題。The theory of direct sequence and cck is described. the mechanism of tdm is established. then, a method to maintain the synchronization of the tdm is proposed
在介紹了ieee802 . 11協議的物理層用到的直序擴頻技術和補碼鍵控技術后，對系統的時分雙工工作機制的建立與維護進行了詳細的分析。It is in dire solved need of opening up nc machining simulating system in manufacturing that there are maturity function and better real time. aiming at the simulating system study of 5 - axis numerical control milling of sajo12000p, the paper introduces the function modules of simulation system of nc machining., including interface module data processing data chain module timely controlling and roming module, and by this way we accomplished the basic function of numerical control machining
因此開發功能完備、實用性強的數控加工過程模擬模擬系統成為當前製造業急需解決的一個問題本文以數控技術實驗室的saj012000p五坐標加工中心為模擬對象，針對其開發一套數控模擬軟體，本人承擔了整個模擬系統的cnc控制軟體的開發工作，針對cnc系統軟體的人機交互界面的建立、 nc代碼的編譯、編譯指令的數據處理、插補、進程問數據鏈的傳輸加載、機床模擬運動按照nc指令的適時控制等功能子模塊進行了開發研究。Scientific computation visualization interactive virtual reality computer dynamic simulation etc., to study thoroughly and carefully on critical technologies such as mixed - language programming simplification of scene models displaying realistic image and animation of 3d scene models and so on in this dissertation, the methods to build scene models were studied and applied to develop a dynamic simulation system of 3d railway scene based on this idea, the major study contents and results can be summarized as follows : 1 ) mixed - language programming can complement each other between different programming languages and the method has a general significance and can become popular many computation models including development of dtm optimum of dtm and reorganization of dtm were developed with fortran language in order to use the ripe codes, the dissertation succeeded in integrating the developed fortran codes to the visual c + + environment and achieving the course of mixed - language programming 2 ) the methods to build scene models for 3d location design were discussed in the dissertation and the development and animation of scene models had been realized by applying synthetically those technologies such as computer graphic computational geometry and geometrical modeling and computer dynamic simulation etc, and adopting opengl 3d graph library then achievement was got by using the technology of 3d visualization to livingly express design results 3 ) combing with the concerned study and development projects, adopting vc + + as development tools and in the light of those theories and algorithms stated in this dissertation, a software, which could build scene models with realism for 3d railway location design, in the name of " the dynamic simulation system of 3d scene of railway " was developed., the correctness was proved by using the software to build the 3d scene models and achieve their animation of suining - chongqing railway and yunnan - xizang railway
本文綜合利用計算機圖形學、科學計算可視化、人機交互、虛擬現實、計算機動態模擬等理論和技術，針對混合語言編程、真實感圖形繪制以及三維景觀模型的動畫驅動等關鍵技術，進行了深入細致的研究，從而探討了建立逼真景觀模型的方法，並基於本文提出的方法研製了一個鐵路線路三維景觀動態模擬系統。基於這一思想，本文主要研究內容及研究成果如下： 1 ）混合語言編程可以實現語言優勢互補，具有普遍意義。針對數字地面模型的建立、優化、重組等計算模塊是成熟的fortran程序代碼，本文成功實現了vc + +與fortran語言的混編； 2 ）緊緊圍繞三維選線設計中景觀模型的建立方法展開研究，綜合利用計算機圖形學、計算幾何及幾何造型學以及計算機模擬技術，採用opengl三維圖形庫，實現了景觀模型的建立以及動畫驅動，使得三維可視化技術成功應用於選線設計成果的三維直觀表達； 3 ）結合有關科研課題，利用vc + +開發工具，以本文所述的理論和演算法為基礎，研製和開發了一個建立三維選線設計逼真景觀模型的系統軟體- - 「鐵路線路三維景觀動態模擬系統」 。To develop a new approach so as to realize music fountain control with high quality, this paper describes the control design for music fountain system based on the industry personal computer. pwm frequency conversion timing, preprocessing, predicting and compensating algorithm, and software signal control in advance are adopted, which realize color music spring control with high quality, provide a new advanced method for the control design of music spring
本文採用pwm變頻調速、預處理、預測補償控制和基於數據庫的軟體信號提前控制方法，提出了一種新的先進的音樂噴泉設計方案和控制途徑，並與傳統設計方案進行了分析比較，用面向對象的編程方法完成了對當今較為流行的mp3音頻格式的解碼，同時實時提取了音頻信號。Hence, the requirements of the servo control card are getting much sophisticated. in this thesis, the research work and implementation details of a 6 axes servo control card are discussed. this card is based on the ti company ? dsp chip tms320f240 and has realized the following functions : a ) signal encoder, b ) position limit, c ) dual ram communication with cpu, d ) coordinated control e ) dia conversion
該卡以ti公司的16位定點數字信號處理器tms320f240為核心晶元，實現6路編碼器信號輸入處理，軸限位中斷處理，通過雙埠ram與pc進行通訊，接收pc發送過來的控制指令和數據，完成插補運算、聯動運算等控制，通過d / a轉換電路，將結果轉化為模擬電壓送伺服放大器驅動電機。After analyzing the two roi coding methods of jpeg2000 standard, their shortcoming is pointed out, and then a novel roi image coding method with utilizing information hiding technique is proposed. in this scheme, some coded information of the background is embedded into the redundant bits of the roi coefficients. the relative quality of rois and background can be adjusted by changing the quantity of embedded information
感興趣區編碼是jpeg2000標準所提供的一項重要特性，本文對標準中規定的兩種感興趣區編碼方法進行了分析，指出其不足之處，而後創造性地提出利用信息隱藏技術來對其進行補充，將部分背景區的編碼信息隱藏在感興趣區系數的冗餘位，通過控制嵌入量可以調節感興趣區和背景區的相對質量。It reframes the traceback problem as a polynomial reconstruction problem, and uses techniques from algebraic coding theory to provide robust methods of transmission and restriction. the scheme is a new solution to the traceback problem during a dos attack ; the honeypot for ddos, which is a tool of traceback, lures the attacker to believe that he successfully compromised a slave for his needs, convincingly simulating the architecture of a potential ddos attack ; the source - based approach to ddos defense, which is a useful adjunt to traceback systems, deploys a ddos defense system at source - end networks. attacks are detected by monitoring two - way traffic flows, and the attacks originating from source networks are stopped by rate - limiting ; the routing mechanism based on pushback treats ddos attacks as a congestion - control problem
最後，就有關ddos攻擊反向追蹤問題，從四個方面對其解決方案進行了研究：在分析比較幾種反向追蹤演算法的基礎上，著重研究了代數方法編碼反向追蹤信息的方案，該方案把追蹤重構問題當作多項式重構問題，使用代數編碼理論技術提供魯棒的傳送和重構方法，是dos攻擊過程中的反向追蹤問題的一種新的解決方法； ddos陷阱作為反向追蹤的工具，引誘攻擊者相信自己成功與所需的傀儡主機通話，令人信服地模擬出潛在ddos攻擊體系結構；基於源的ddos防禦方法作為反向追蹤有用的補充，將防禦系統部署在源網路，通過監控雙向流量檢測攻擊和限制速率終止來自源的攻擊；基於向後倒推的防禦ddos的路由機制把ddos攻擊看作擁塞控制問題，添加功能到每個路由器來檢測並優先丟棄可能屬于攻擊的包，通過向後倒推上級路由器也得到通知而把這樣的包丟棄。In the part 2 of advanced audio video coding standard avs - p2, many efficient coding tools are adopted in motion compensation, such as new motion vector prediction, symmetric matching, quarter precision interpolation, etc. however, these new features enormously increase the computational complexity and the memory bandwidth requirement, which make motion compensation a difficult component in the implementation of the avs hdtv decoder
在avs - p2中傳統的運動補償技術被進一步改進以獲得更好的編碼性能。這些新的特性包括：預測塊大小可變化1616到88基於矢量三角形的新型mv預測多參考幀最多2幀或4場直接或對稱模式匹配不限制的mv和1 4精度像素插值等。This thesis discusses the research status and typical algorithms of error resilience at home and abroad, whose performance are analyzed, too. the error resilience technology means that the decoder can detect errors, skip the inextricable errors, and rectify the errors as soon as possible, one important way of which is error concealment
本課題對前向錯誤控制、后處理錯誤掩蓋、編解碼器端交互的錯誤掩蓋這三大類容錯方法進行了詳細的研究，分析了現有演算法的一些局限性，基於空域插值和時域補償這兩種基本的掩蓋演算法，提出了一種混合容錯演算法。This dissertation presents the research on the fast motion compensation algorithm with the shared macroblock information in the dct domain and rate control algorithm with dct coefficients
本文主要研究在dct域內基於宏塊公共信息的運動補償快速演算法和利用dct系數進行碼率控制演算法。Chapter three is our main block and work, it summarized the high speed physical layer extension ( ieee 802. lib ) standards, explained in details the complementary code keying ( cck ) modulation and demodulation techniques, and then explained and developed the fast walsh transform ( fwt ) that has been used to increase the data rates of these protocols
第三章是論文的主要組成部分，也是本研究工作的重點。這一章總結了高速物理層標準增強版（ 1eee802 11b ） ，並詳細介紹了互補碼鍵控（ cck ）調制解調技術，描述並改進了用於提高數據速率的快速walsh變換（ fwt ） 。分享友人