行波進位方式 的英文怎麼說

中文拼音 [hángjìnwèifāngshì]
行波進位方式 英文
ripple carry system
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 進構詞成分。
  • : 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...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 方式 : way; fashion; pattern
  1. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制( 16qam和4 - qpsk )了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載同步性能了測試;然後在基於軟體無線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載的相跟蹤。
  2. The most outstanding function of this wheelchair is its height which can be regulated with user ' s requirements. this function helps expand the user ' s available space, supplement the user ' s body defect and reduce the caregiver ' s burden. it get more improved than previous products. besides, the wheelchair has designed both manual and eletric mode. on one hand, it can save user ' s energy and power, on the other hand it won ' t leave users hopeless in case of powering off and relieve the user ' s worriness. in addition, the bigger basket on the tail part of the wheelchair provides the great convenience for user ' s carrying goods. multiangular back and height - regulated pedal add comfortableness to users. the minidesk with the wheelchair is very convenient for users to read, write and do other things

    本設計的多功能輪椅最突出的一個功能就是座的高度可以根據使用者的需求隨意調節,這樣就可以大大擴展使用者的操作空間,補充了使用者在身體上的缺陷,也可以減輕照顧人員的工作負擔,比起以前的產品有了較明顯的改;其他功能還有輪椅的手動電動兩種驅動,這樣可以解決老年人和殘疾人在體力上存在的問題,同時在外出時遇上沒電的情況也不至於顯得無能無力,消除了使使用者在長途奔時的顧慮;此外於輪椅尾部的超大儲物筐,給使用者攜帶物品帶來了極大的便,靠背的多角度調節,腳踏板的高度調節大大增加了使用者的使用舒適度,輪椅上小桌的設計給使用者讀書,寫字,其他活動帶來了極大的便。
  3. A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations

    本文針對南昆鐵路八渡( k343 )大型滑坡,運用高解析度反射地震、地質雷達等地球物理探測技術對滑坡體地質了詳細的勘測,揭示了八渡滑坡體的空間形態、邊界與幾何參數、滑動以及移場分佈特徵;同時,利用聲探測對原抗滑樁了檢測,分析了失效原因,並查清了擬建抗滑樁地段的地質條件。
  4. At first, the paper confirms singular area by singular detection, then designs a series of low - pass filters that have different templates according to the different position in finger image for a local area, at last sets up gabor filter parameters according to the characteristics of fingerprint image. the improved enhancement algorithm has a better robust, and can preserve texture structure of singular area effectively. in binary noise clearance, the paper presents an algorithm that clears the biggish white speckles and black speckles

    在指紋圖像增強面,本文針對傳統的基於gabor濾器指紋圖像增強演算法魯棒性差以及通常會改變奇異區紋理結構的缺點,對原有演算法了一些改:首先通過檢測奇異點確定奇異區,然後根據局部區域在指紋圖像中的置構建相應取值的低通濾器並對該局部區域向圖,最後根據指紋圖像紋線的特點對gabor濾器參數設置。
  5. Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment

    本論文闡述了驅動稀土永磁無刷直流電動機的原理及數學模型;設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計案;對電機採用何種驅動了對比分析;對驅動電路了元器件選型、原理圖設計、制板及調試;有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊;設計了以dsp為核心的控制電路原理圖;以模塊化的軟體編程思想編制了電機控制軟體;通過tms320lf2407目標板、上機、驅動板及電機的聯調,證明了系統可
  6. As a separate system, the system of statistics and analysis for the reliability of low - voltage user records reliability datum of every low - voltage user by gathering terminals, collects and deals with these datum with the technique of low - voltage power line carrier by lumped instrument. last, the datum in the lumped instrument are read in the database of the master station computer by telephone network

    低壓用戶可靠性統計與分析系統作為獨立系統,以低壓臺區為單,通過採集終端記錄每個低壓用戶的可靠性數據,再採用低壓載由集中裝置對這些數據集中並處理,主站計算機以電話網路撥號的將集中器中的數據讀入數據庫。
  7. Now, people are trying to use various methods, including the electro - optics effect of bso, to modulate the wavefront of light or modulate its phase

    人們正在嘗試著利用bso晶體的電光效應以各種前調制和相調制。
  8. ( 3 ) the basic theories and techniques on distributed radar cfar detection are reviewed. in particular, using the numerical performance simulation results, the performance of distributed cfar detect system under nonhomogeneous backgrounds and simple detect conditions are analyzed in some details. we have summarized the performance characteristics of distributed cfar detect systems against interference and edge clutter when different fusion rule is used

    西北工業大學博士學論文( 3 )對分散cfar檢測技術的相關理論、簡要總結與分析,特別是利用數值分析與性能模擬法,對非均勻環境下簡單條件檢測系統的性能了較為深入和系統的研究,總結了不同融合時分散cfar檢測在抗干擾與雜面的性能特點。
  9. Analysis is done on the change rules of liquid " s temperature along with the pipeline " s distance. the paper points out the defects of the const pressure wave velocity method and do some improvements on it : rebuilding the expressions of the pressure wave velocity in accordance with the simpson ' s rule

    分析了管道內的流體溫度隨傳輸距離而變化的規律,並指出了此規律對管道負內壓力傳播速度的影響。指出了常負壓力速定法的局限性,並採用改的負壓力技術,將管道內的負壓力速公採用復化辛普森公了改造。
  10. In the synchronous " model, based on the idea of polygonal flux linkage locus, by means of constructing the switch state period table of three phrase voltage inverter is required. in the brushless model, the igbt ( isolated gate bipolar transistor ) switch state period table is gained by gal ( generic array logic ) which analyzes the signal of position feed - back

    在同步下,基於多邊形磁鏈軌跡法的思想,用作圖法求得三相電壓型逆變器的pwm形序列;在無刷直流下,用gal對置反饋信號邏輯綜合,得到開關管的導通規律。
  11. The underwater - radio buoy for use as obtaining the ocean " s acoustical parameters is a underwater acoustic signals record system which has long distance radio remote control and data transmit function. the technology key of the dissertation study is that under the requirements of the system the monitor and record equipment on the acoustic source vessel, the monitor and record equipment on control vessel command and control the work slate of the buoy system by radio data transmitting mode of short wave transmitter - receiver

    海洋環境參數獲取浮標監測系統屬于具有長距離無線電遙控?數傳功能的水下聲信號接收記錄系統,本論文研究目標的技術關鍵在於根據系統要求,指揮船和發射船監控記錄設備通過短電臺以無線數傳,對浮標系統的工作狀態指揮和控制,浮標則通過同一短通道向指揮船上報浮標、工作狀態、關鍵數據及非常狀態下的報警信號等。
  12. The paper presents the form of sins / odometer ( od ) / global position system ( gps ) integrated navigation system based on sins. state and observation equations are established for kalman filter. the simulation result shows that the integrated navigation system can reduce navigation error when using the feedback calibration method

    對捷聯慣導系統、里程儀( od )和全球定系統( gps )誤差了分析,建立了以捷聯慣導系統為主的用於卡爾曼濾的系統程和觀測程,給出了車載組合導航系統的分散組合案。
  13. In addition, an experimental system using c language is established, including modules such as representation of waveform polynomial, decision of path senstization, delay computing, clocking based on single - period sensitization, clocking based on multi - period sensitization, test generation considering noise and transformation from bit - level waveform polynomial to word - level polynomial model. they respectively used to test models and techniques proposed in this paper

    另外, :基於c語言本人設計開發了一個實驗軟體系統,該系統包括形多j一貞表示模塊、敏化通路判定模塊、延時計算模塊、單周期敏化的最小時鐘周期精確確定模塊、多周期敏化的最小時鐘周期確定法模塊、考慮噪聲的測試生成模塊和形多項描述轉化成字級多項描述模塊,分別用於對本文各章中提出的自動化設計的模型和實驗驗證。
  14. The bat mother and its child were compared concerning their morphology and echolocating calls, and the change in morphology and echolocating calls, which happened as the young bat grew were discussed. the communicating behavior between the mother and the young was described and thus the calls played an important role in the communication between the mother and the young

    對雲南菊頭蝠的母幼蝠形態和聲上的比較研究,探討隨著雲南菊頭蝠生長發育其形態和回聲定的變化,描述母幼的交流為,確定其母幼交流的主要為聲音。
  15. A new experimental and training system with modular hardware and software is introduced in this paper based on the research and analysis of the principle, structure and realizing method of microprocessor relay protection and safety automation equipment and the constitutes of cut - up arrangement substation integrated automation at home and abroad whose function includes relay protection experiment, such as current protection, distance protection and so on, and substation integrated automation experiment etc. the structure and function of the experimental and training system are introduced in detail, the principle and function of the hardware section are analyzed, and the method of software designing and programming is concisely set forward. in this paper, a new communication mode between computer and the rs - 485 bus and the can bus by using the computer ' s epp port and an effective method of software ' s remote downloading are brought forward

    論文在研究和分析了國內外微機保護和安全自動裝置的原理、結構和實現法以及分散分散變電站綜合自動化系統構成的基礎上,開發了一種硬體和軟體模塊化,能實現電流保護、距離保護、故障錄等多種繼電保護和安全自動裝置功能以及變電站綜合自動化功能的實驗培訓系統,詳細介紹了整個實驗培訓系統的結構和功能,分析了硬體部分的原理和作用,還簡要闡述了整個軟體編制的大體法,並提出了一種利用計算機的epp口實現上機與rs - 485總線和can總線通信的新型通信,提出了一種利用psd913f2的雙flash的特點軟體的遠程在線下載的法。
  16. Then the vvriter put fonvard total - cost leading strategy, concentration strategy on intemational market ; and fiom a long - term point of view, the vvriter put fonvard entirety strategy on domestic market and localization strategy on the intemational market the analyzes break through the method that regards strategy making as the extend of rolling plan undcttheplanningsystemoftiiinking, and break through 5 - year system of strategy time - unit this can meet the need of the strategic development fiom the view of enterprise life - cycle

    上述分析充分利用了業結構模,並通過swot法分析了優勢、劣勢、機會、威脅,而提出了國內市場的總成本領先戰略、國際市場的集中戰略,以及從長遠看,國內市場的前向一體化戰略與國際市場的本土化戰略。這種分析論證突破了以往計劃思維下將戰略制定視同計劃的滾動延伸,並且在戰略時間單上突破了以往的5年制,這也是從企業生命周期出發實現戰略發展的需要。
  17. The work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal. the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence. it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals

    本文圍繞著多載編碼信號在信號設計與信號處理的若干關鍵問題了研究,主要做了以下工作:描述了多載編碼信號( multicarrierphasecoded ,簡稱mcpc )的信號形,給出了其數學模型,對其中相編碼序列的構成與特性了分析;從單脈沖和脈沖串兩種信號形入手,對多載頻相編碼信號的參數在自相關函數、功率譜密度和模糊程上的影響作了詳細地討論,對不同調制的單脈沖和脈沖串信號了比較。
  18. It takes advantages of modern computer to fit all the experimental information, hence a very powerful pwa method. in this thesis, we use this method to analysis hadrons japdecay model jap - > ( ptt - tr + and j p radioactive decay model based on the pwa amplitude, we received mass distribution of two outgoing pious and angle distribution of the outgoing particles using the cern program. finally we compared tow different form factors ( barrier factors and gauss factor ) wh ich were always used the calculating of pwa amplitude

    本文採用這種分析法給出的j強衰變j ~ - ~ +和j粒子輻射衰變j ~ - ~ +分振幅公,利用cern的蒙特卡羅模擬程序繪出了末態粒子的角分佈和不變質量分佈,對分分析中常用的兩種動力學形狀因子(中心壘因子和高斯壓低因子)了研究比較。
  19. Second, the math model of the switched reluctance motor ( srm ) is established and its static performance is analyzed by two methods, which are the equivalent magnetic network method and the nonlinear magnetic parameter method ; the actual current and torque waveforms are given in the control of apc and ccc

    其次,採用等效磁網路法和非線性磁參數法分別建立了開關磁阻電機的數學模型,對開關磁阻電機的穩態性能了分析,得出角度置控制和斬控制下的開關磁阻電機的電流形及轉矩脈動形,並對兩種了比較分析。
  20. This paper puts emphasis on dynamic simulation based on switched reluctance drivers ' s ( srd ' s ) nonlinear model, and study of fuzzy control for srd. based on switched reluctance motor ' s linear, nonlinear model, the dynamic simulation model of srd ' s is built respectively. the phase current, phase torque, total torque and speed of srm in current chopping control ( ccc ) and angular position control ( apc ) are calculated respectively with this simulation

    本文在分析sr電機線性、準線性、非線性模型的基礎上建立了四相( 8 / 6極) sr電機調速系統( srd )動態線性、非線性模擬模型,分別對電流斬控制( ccc )與角度置控制( apc )下sr電機相電流、一相轉矩、合成轉矩及角速度了模擬。
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