接入首字 的英文怎麼說

中文拼音 [jiērùshǒuzì]
接入首字 英文
access prefix
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 入 : Ⅰ動詞1 （進來或進去） enter 2 （參加） join; be admitted into; become a member of 3 （合乎） conf...
  • 首 : Ⅰ名詞1 （頭） head 2 （首領） leader; head; chief 3 （表示方位） aspect 4 （姓氏） a surname Ⅱ動...
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 接入 : insert; join up; switch on; cut over; turn on; switch in; reset; put in; place in; cut in; throw ...
  1. In the second chapter, the theory of vsb is described. following that, the theory and algorithms of the main functional receiving components for our transmission draft are described in detail and analyzed deeply. these algorithms are applied in the chip successfully

    第二章，首先講述vsb的調制原理，然後針對我們提出的數字電視傳輸方案下的有線通道接收晶元的各個主要功能模塊的實現原理和採用的演算法進行了較詳細的敘述和較深入的分析，這些演算法在本晶元中得到了成功的應用。
  2. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件，技術難點和目前存在的問題，並重點分析了dvb - t系統結構流程，核心技術及系統通道特性和參數，該系統採用了cofdm （編碼正交頻分多路復用） ，大量導頻信號插入和保護間隔技術等核心技術，使之能抵抗高電平（ 0db ） ，長延時的靜態和動態多徑失真，有利於數字和模擬電視的混合傳輸，它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  3. The medium access control ( mac ) layer protocol of the airlink interface between the mobile data base station ( mdbs ) and mobile end systems ( m - ess ) in cellular digital packet data ( cdpd ) is studied firstly. the access method of slotted non - persistent digital sense multiple access with collision detection ( dsma / cd ) is described mainly

    本文首先研究了蜂窩數字分組數據（ cdpd ）空中介面中的介質接入控制層（ mac ）協議，詳細論述了基於時隙的非堅持的、帶沖突檢測的數字載波偵聽多址接入協議（ dsma cd ） 。
  4. First of all, the characteristics of different adaptive algorithms and equalizers are theoretically researched. then digital microwave communication system model is build by simulink. based on this model, the convergent behavior and bit error rate performance of three equalizers ( nlms, kalman and rls ) are compared in multi - path fading channel

    為了達到這個目的，首先需要從理論上對各種自適應均衡演算法以及自適應均衡器的特性進行深入研究;然後利用simulink建立接近實際環境的數字微波通信系統，在多徑衰減通道環境下比較了三種基帶均衡器（ nlms ， kalman和rls ）的收斂特性以及系統誤碼特性，並比較了nlms基帶均衡器和通帶均衡器的性能。
  5. Then according to the emphasis of the design, went deeply into the theory of pll frequency synthesizers widely used, described pll ’ s working principle, structure and several types in detail, and made research and analysis of pll frequency synthesizers ’ phase noise, including the effect of the active loop filter on the phase noise, and give some methods to make improvement as well, such as changing loop filter form, reducing divide number, and increase phase detector frequency, etc. then paper introduced the principle character and phase noise analysis of direct digital frequency synthesizer ( dds ) and injection phase lock circuit, which are also important circuits in the design

    論文首先對幾十年頻率合成器的發展進行概述，而後針對本次設計的重點，對應用較為廣泛的鎖相頻率合成理論進行了深入的探討，詳細介紹了鎖相環的工作原理、組成結構和鎖相類型，並對鎖相頻率合成器的相噪特性進行了研究分析，包括有源環路濾波器對于相噪的影響，提出了改善相位噪聲的幾點措施:改善環路形式、降低分頻數、增大鑒相頻率等。接著介紹了直接數字頻率合成器（ dds ）和注入鎖相電路的原理特點以及相噪分析，它們也是本次設計的重要電路。
  6. Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track

    本文首先介紹了計算機圖形圖像技術的發展與應用情況，對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論：然後對圖像增強處理的目的和方法進行了介紹，對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明，並對實物圖像的處理結果進行了分析與比較；接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法，並獲取輪廓的特徵點：隨后對獲取的特徵點進行坐標變換，並進行b樣條曲線擬合，引入相關條件生成齒輪副的嚙合線及嚙合軌跡：最後引入等值線和區域填充表示方法，並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。
  7. During the procedure of the still digital image compression, first, we make a jpeg algorithm to the input general still digital image ; then, we make a fractal image compression based on wavelet coefficient cubtrees to the jpeg image

    在靜態數字圖像的壓縮和編碼過程中，首先將輸入的靜態數字圖像做jpeg壓縮；接著，採用基於小波系數子樹的分形圖像壓縮編碼方法對jpeg圖像進行二次壓縮。
  8. In general, a watermark system must satisfy the two basic requirements : imperceptibility and robustness. in this thesis, we proposed a frequency - based watermarking algorithm using toral automorphisms, in which a kind of toral automorphism is employed to mix a recognizable binary image ( bw ), which contains the copyright information, into a noise - like signal

    演算法簡單描述如下：首先用一個環形自同構映射把要嵌入的數字水印映射成偽隨機噪聲，然後把該偽隨機噪聲嵌入到宿主數據頻域的低頻段中，接著把得到的頻域系數進行相應的逆變換得到嵌入水印的圖象，最後對該嵌入水印的圖象進行視覺掩蔽處理。
  9. In accordance with requirements for successfully hosting the olympics, proper readjustment concerning “ tenth 5 - year ” programme for beijing ' s informatization must be made, building “ digital beijing ” sped up, priority given to the construction of beijing ' s informatization in the key fields and sectors such as comprehensive sector ( e - government, and broad band and network connecting project ), resource and environment, planning and construction and people ' s economy all closely related to the olympics so as to create powerful back - up environment for “ digital olympics ”

    根據成功舉辦奧運會的要求，適當調整首都信息化"十五"規劃，加速"數字北京"建設，優先推進與奧運會關聯度較高的綜合類（如電子政務、寬帶接入網工程等） 、資源環境類、規劃建設類、人文經濟類等重點領域和行業的城市信息化建設，為"數字奧運"提供強有力的支撐環境。
  10. In the dissertation, the principle and foundation of digital signature technique, pki frame were firstly summarized, the development process and main characteristics of office automation, the present state and main secuirty problem of our aoas were then discussed in detail. digital signature technique was introduced into the aoas, the project about pki and the ca institute and jtjca certification system model for army were followed

    論文首先對數字簽名技術原理、基礎技術及pki框架體系進行了較全面的概述和總結;接著對辦公自動化的發展歷程和主要特點、我軍辦公自動化系統現狀及存在的主要安全問題進行了深入分析;最後，論文將數字簽名技術引入軍隊辦公自動化系統，提出了我軍pki及ca中心系統的設計方案，提出了軍隊jtjca認證系統模型。
  11. " numeral monitor and control system " is introduced on top of that. coding, storing and decoding processes of numeral information are introduced in emphases. which information comes into being after picture taken from camera has been gathered, estimated and coding decoding by gathering card

    本文首先介紹數字視頻的軟體壓縮標準，然後詳細地介紹了mpeg - 4編解碼過程，緊接著對數字錄像監控系統進行介紹，重點介紹了監控系統中攝像頭錄入的視頻圖像經視頻採集卡採集、量化后形成的數字信息的編碼存儲以及解碼輸出的過程。
  12. The { stock search } command allows you to find the stock number by romanization of the first chinese syllable of the stock s name. detail and comprehensive information of the selected stock will then be available with the { one - touch } command. the fastest access to a host of reliable stock information will ensure investors to capture every investment opportunity. " said mr alex cheung, managing director, telecom digital holdings limited

    電訊數碼董事總經理張敬石先生表示：陸叔財經pdatopgun66最特別之處在於其快達掣，用戶直接按此快達掣輸入股號，便可即時閱覽個別股票資訊，若不清楚股票號碼，更可用電訊數碼首創之簡單查股法， ?需輸入所查公司的首個拼音字，便能檢閱所需之公司股號，繼而查看有關資料，全城至快至準，盡握每個投資機會。
  13. First, xml technique is adopted to express message as xml documentation to satisfy the requirements of c / s network communication system, a message transport protocol is brought forward for package and transport of all the data over a steady tcp socket, which is applied to asynchronous, secure and reliable communications

    首先，在綜合分析客戶機服務器模型中通信系統整體要求的基礎上，引入了可擴展標記語言，制定了一個適用於異步、低可靠網路環境的跨平臺消息傳輸協議，用以封裝所有傳輸在tcp ip套接字上的數據。
  14. Firstly, we introduce the fundament theory of digital quadrature modulation and digital filter, we also introduce the concept and the key technology of software, including smart antenna, ad, sampling, digital down sample theory. it " s very important to understand this theory. subsequently, we introduce two common designs and its supported hardware, and we also present a new design based on swr

    文中首先介紹了數字信號處理技術，包括數字正交解調技術、數字濾波器的基本理論，接著介紹了軟體無線電的基本概念和關鍵技術，包括智能天線的概念、軟體無線電中的ad技術、中頻帶通采樣技術、數字下變頻技術，深入理解這些技術是實現成功方案的基礎。
  15. This thesis discusses spatial data index first, shows the history of spatial index structure, introduces the current domestic and foreign main index structure in gis ' s spatial joining, and then makes use of character to express spatial object

    本論文首先對空間數據庫的索引進行探討，並給出了空間索引結構的發展演化圖，然後介紹了目前國內外gis的空間連接過程中的主流索引結構，最後引入了字元來表達空間對象。
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