相對塊號 的英文怎麼說

中文拼音 [xiāngduìkuāiháo]
相對塊號 英文
relative block number
  • : 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...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 名詞(古時佩帶的玉器) penannular jade ring (worn as an ornament in ancient china)
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre

    5 .根據tsmc0 . 35 msigebicmos工藝模型,利用cadencespectre模擬軟體所設計的電荷泵鎖環路中各個模及整個系統進行了模擬模擬,模擬結果顯示,在1 . 5v電源電壓下,頻率為200mhz的參考輸入信,輸出中心頻率為800mhz ,分頻電路採用4分頻,環路帶寬為10mhz ,捕獲時間大約為0 . 92 s ,功耗大約為15mw ,達到了設計指標。
  2. Firstly, the connected end sets of the relay lines are got using the breadth first search algorithm and the connected relationship of wiring terms is got in the electrical circuit diagram according to different cad block structure of different element type. secondly, the appropriate specification of the relay element is chosen by using the equinoctial graph algorithm, and the panel layout diagram is generated automatically by the combining automatic layout and manual intervention. finally, the optimized path algorithm which passes each vertex in the completed non - directional graph once and only once is put forward, this algorithm and the prim minimum spanning tree algrotithm can generate the inner panel wiring diagram and terminal wiring diagram automatically

    首先,採用廣度優先搜索演算法查找電氣原理圖中的連通導線端點集,並根據不同類型的繼電元件應的cad圖結構的不同,得到電氣原理圖中元件接線端子之間的連接關系;其次,根據二分圖匹配演算法為電氣原理圖中繼電元件選擇合適的型和規格,並採用人工干預和自動布置結合的方法完成屏面布置圖的自動生成;最後,提出了完全無向圖中經過每個頂點一次且僅一次的優化路徑演算法,利用該演算法和經過預處理的prim最小生成樹演算法自動生成屏內安裝接線圖和端子接線圖。
  3. In this thesis, flow regime identification and malfunction diagnosis of fluidization were studied with fractal technology, the presented methods for both flow regime identification and malfunction diagnosis were proved of effectivity. main achievements are as following : 1. fractal brownian motion ( fbm ) was made from gauss noise and compared with pressure fluctuation signal of gas - solid fluidization, which demonstrated the similarity between the fbm and the signal

    在通過fbm (分數布朗運動)數據模擬證明了氣固流化床壓力波動信與分數布朗運動是似的基礎上,提出了用分數布朗運動來模擬氣固流化床壓力波動信,並採用r s分析法從信時間序列中提取出hurst指數,通過分析信hurst指數值流化床流型和結故障進行了研究。
  4. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )自導工作過程中的信與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道目標回波信與目標輻射噪聲信等的影響,建立回波信的數學模型、環境場中的噪聲信模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信與噪聲信; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模組成,討論了聲自導系統的時域與空域處理,並結合模擬程序中陣列信處理模,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統連,組成完整的魚雷模擬器。
  5. In allusion to the working characteristics and technical difficulties of 155mb / s burst mode receiver, we have put forward to the quick synchronization of inpouring phase locked loops ( pll ). for receiving burst signal, we introduce the scheme of dc coupling and dynamic threshold decision

    155mb s突發式收發模的工作特點和技術難點,我們提出了注入鎖環法的快速同步技術;于突發式信的接收,我們採用了直流耦合和動態閾值判決的技術方案。
  6. As an application of this fem preprocessing system, the simulation on the welding process of missile ’ s oil box was performed, in which the effects of the welding sequences of four web plates and welds on each web plate are primarily analyzed. the simulation results show that the deformations under varied welding sequences are almost the same. downward deflection deformation is obtained along the weld longitudinal direction in the structure as well as upward deflection deformation along the weld traverse direction

    于某型導彈油箱結構焊接過程的數值模擬計算,主要考察了每立板上各段焊縫焊接順序的調整、四立板之間不同的焊接順序以及焊接起始端的選擇結構焊后變形的影響規律,模擬結果表明:壁板在各種焊接順序下的整體變形規律基本似,即焊後壁板沿焊縫縱向發生了向下的撓曲變形,中部向下變形量最大;沿焊縫橫向發生了向上的撓曲變形,壁板兩端部變形量較大,且壁板前端變形大於壁板後端。
  7. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信放大電路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段函數結合的曲線模擬方法,進行圖形處理。
  8. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼模、 fpga視頻處理模、視頻數據幀存模、基準時鐘產生模、 d a編碼模、 i ~ 2c總線控制模等部分軟、硬體設計及調試。其中a d解碼模採集模擬電視信實現視頻解碼; fpga視頻處理模解碼后的數據進行去噪處理的同時還負責系統的邏輯控制;視頻數據幀存模為大量高速的視頻數據提供緩沖區;基準時鐘產生模通過輸入基準視頻信為系統提供精確的關同步信; d a編碼模在視頻處理模的控制下把數字視頻數據轉換成復合電視信供顯示用: i ~ 2c總線控制模模擬i ~ 2c總線時序實現系統中編、解碼晶元的初始化。
  9. The clock recovery block of usb2. 0 transceiver macrocell consists of phase locked circuit, such as pll and dll ( delay locked loop ). this block use external crystal 12mhz sin signal to produce 60mhz, 120mhz, 480mhz clock signal, and can recover colock signal form date wave. it can support 480mbps ( hs ) and 12mbps ( fs ) word speeds as defined in usb2. 0 specification.

    目的是用鎖環電路? pll和dll (延遲鎖環)實現usb2 . 0收發器宏單元utm的時鐘恢復模。其中pll環路構成的時鐘發生器將外部晶振的12mhz正弦信生成60mhz 、 120mhz 、 480mhz等本地時鐘信。 dll環路依據本地時鐘信外部數據信進行時鐘恢復。
  10. This new family of dsp enables cost - effective design of intelligent controllers for brushless motors which can fulfill more conditions, consisting of fewer system components, lower system cost and increased performances. in the aspect of vibration detection and analysis, the system gets two - way vibration signals. after magnifying and filtering, the signals are inputted to dsp, and are analysised by dsp based user ’ s demand

    振動測試分析部分採集兩路振動信,經過隔離放大、濾波等信調理電路后輸入dsp的片上ad模,在dsp上構建應的數據採集模,以及濾波、時域分析、幅域分析等多種數字信處理模,根據用戶需求旋轉機械作應的檢測與診斷。
  11. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先數字減影血管造影( dsa )成像系統的組成結構和數據流向進行了深入研究和分析,並系統中的數據流向進行了完整的歸納和總結,給出了x線數字成像系統中的高速大容量數據通道的設計方案;在sdram的控制方式做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現圖象數據進行高速存儲;通過pci總線介面的深入研究,優化後端狀態機設計和低層驅動程序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字系統設計方法,針通用fifo使能信漂移、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖環提供多個時鐘移的信來提高系統穩定性的解決方案,從而實現利用fifo來協調系統各模之間的數據高速傳輸。
  12. Firstly, the system is divided into many modules according to different point of view ; secondly, to the hardware equipment - vidicon, lenses, revolver, shield and decode device, their principle of work has been explained ; thirdly, according to image identification experience and other indexes of the system, the focus of the lenses and relative aperture are calculated, and the type of the camera is confirmed, at the same time, the energy of infrared lamp is also computed in the thesis ; at the same time, synthesis control box is devised

    首先,按照角度的不同,將系統劃分成許多模。其次,硬體設備? ?攝像機,鏡頭,雲臺,防護罩,解碼器等的工作原理進行了闡述,再次,以人的成像辨認的經驗判據為依據,結合系統的其它指標,設計計算出鏡頭的焦距f 、孔徑d ,同時確定攝像機的型,並計算出紅外燈光源。最後,綜合控制箱進行設計,指出了設計的意義,實現的功能,並附上了綜合控制箱的外形圖。
  13. Special function will be implemented by downloading special software into the hardware platform, and the system can be constantly upgraded by continually upgrading the software. the author programs all the software which defines all the functions of if digital receiver taking fm receiving as example, which makes it the if digital unit of ultrashort fm transceiver

    通過向這個通用硬體平臺上加載應的軟體完成特定的通信功能,通過軟體的升級可以這個系統不斷升級,作者設計了使這個硬體平臺完成調頻信數字接收機功能的全部軟體,使這個硬體平臺可以作為軟體無線電超短波調頻電臺的中頻數字化模,承擔調頻信的數字解調。
  14. In this paper, chroma dc coefficients are selected as the carrier data because chroma dc coefficients are robust. also, alterable steps are used to select one part of the coefficients, so the watermark is imperceptible ; before watermark embedding, the watermark is divided into many parts, every part is individually embedded into one gop of the video, even if a gop is destroyed, the watermark can be extracted correctly, this methods promotes the robustness of the watermark ; in addition, in order to promote the security of the watermark, the user ' s id and password are used to generate chaos sequence by the chaos system which is created in this paper, later, watermark is mixed by the chaos sequence. also, the embedding position of the watermark bit is modified by one chaos sequence, so, unauthorized person can not extract or remove the watermark, since the embedding position is unknown

    本文認為,色度dc系數是魯棒性非常好的參數,因而選擇色度dc系數作為水印信息載體,同時,採用可變的步長選擇部分系數,保證了水印的隱形性;在嵌入水印時,本文採用水印信息「網格劃分」 、各子獨立嵌入視頻的方案,由於水印信息子獨立的嵌入視頻中的每一獨立的圖組當中,即使某一圖組收到一定破壞,也能夠恢復水印信息,使水印的健壯性得到提高;此外,為了提高水印信息的安全性,在嵌入水印信息時,根據用戶輸入的id和密碼,利用本文構造的混沌系統產生的混沌序列水印信息進行變換,同時,每一水印信息比特的嵌入位置也採用了偽隨機序列進行調整,這樣,未授權用戶不能提取水印信息,也難以擦除其中的水印信息,因為嵌入的位置是未知的。
  15. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難,這是因為交流電機是多變量、強耦合的非線性系統,不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題,其基本思路? ?應用坐標變換將三等效為二,實現定子勵磁電流分量與轉矩電流分量之間的解耦,達到交流電機磁鏈與電流分別控制的目的,交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步,計算機技術飛躍發展,高度集成的專用模和高精度的數字信處理器應用於交流傳動系統中,促進矢量控制迅猛發展,日趨成熟。
  16. In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical

    最後,實際研製了一套以dsp (高速數字信處理器)和ipm (智能功率模)為核心的小功率混合型有源濾波裝置,在交交變頻acem實驗平臺上進行了全面的實驗研究,充分驗證了本文所提出的自適應同步關濾波技術、優化混合型濾波器拓撲結構和有關的關鍵性技術的正確性和實用性,從而從理論到實踐全方位、成功地實現了交流勵磁發電機輸出電力諧波抑制的研究。
  17. ( 2 ) data - processing module, its functions is using dsp processor to designdigital filter for the receiving signals, work out the root mean square values and phaseangle, then the phase compensation technique is applied to modify the signals, at lastexport the combining frame data. to data - output module. ( 3 ) data - output module, its functions is transmitting combining frame data toethernet controller, then send the data to the protective device

    ( 2 )數據處理模利用dsp處理器接收到的數據信進行數字濾波設計,求出應的均方根值及位角,並進行位補償,最後將數據組幀后傳給數據輸出模; ( 3 )數據輸出模將組幀后的數據傳送到以太網控制器,繼而發送給二次保護測控設備。
  18. 3. in the face of analog channels design, we took use of the ic chip to design the signal modulation module, data acquisition and peripheral circuits

    3 .前端模擬通道設計,採用集成電路晶元,調理模、數據採集和外圍電路進行設計,完成關硬體pcb版圖繪制。
  19. The thesis then introduces top - to - bottom schemes, which discuss the functional design of hdtv test pattern signal generator according to the tasks and platform of the system, and develops the function of subsystems. the thesis analyses the theory and mathematic model of hdtv test signal, and studies the signal generating scheme called single - fpga and multi - prom, and describes in detail its key modules such as configuration connecting, prom routing, control and switch timing design and so on. the single - fpga and multi - prom scheme increases the number of prom to reduce the degree of fpga demanded, thus

    論文分析了hdtv測試信的原理及數理模型,提出了一種以單晶元多配置為特色的信生成方案,並該方案的配置連接、晶元選路、控制切換時序設計等關鍵模進行了詳細敘述,該方案以增加配置晶元數量來降低主晶元要求,不但降低了產品成本,還使各測試信的代碼編寫和產生獨立,有利於合理使用晶元資源,實現多種復雜的hdtv測試信,縮短開發周期。
  20. Due to the higher demand of speed and precision of dsp, the intermediate frequency ( if ) digitalization receiver which is compared with analog system takes on the advantage of small volume, light weight, low cost, simple configuration, and easy integration. so that digitalization at if is current trend of communication and radar development, the traditional analog receiver is now being replaced by digital receiver gradually

    由於處理的速度、精度要求不斷提高,而中頻數字接收及信處理系統與模擬系統比,具有易於dsp演算法編程實現、體積小,重量輕,造價低、結構簡單,易模化、系統配置更新快、維護升級方便等優點,所以,雷達信接收機及處理機的中頻數字化系統近年來備受重視,已經逐漸取代傳統的模擬接收機。
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