插字號 的英文怎麼說
中文拼音 [chāzìháo]
插字號
英文
caret-
Laurence bloomfield in ireland by william allingham second edition, green cloth, gilt trefoil design, previous owner s name on recto of flyleaf erased. a handbook of astronomy cover, brown leather, detached, 5 plates, antique letterpress long primer, author s footnotes nonpareil, marginal clues brevier, captions small pica
天文學指南褐色封面已脫落，附有五幅另紙印的插圖，正文用老五號黑體字，作者腳注用六點活字，旁註用八點活字，標題用十二點活字227 。Vbi ( vertical blanking interval ) is a part of the limited resource of television, in which various digital signals can be inserted
場消隱期作為電視有限資源的一部分，在其空余資源中可插入多種形式的數字信號，其開發潛力正逐漸為人們所重視。Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。The backslash ( ) is used to insert apostrophes, new lines, quotes, and other special characters into a text string
被用來插入省略符號，新的行，引用和其他插入在字元串中的特殊文字。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。This system ' s hardware adopts dsp - embedded controller, which can process digital signal independently. the controller communicates with pc by accessing memory. on the side of controller, c language is used to write the interpolation program and the interruption service program, while on the side of pc, visual c + + is used to write programs in which functions of editing nc - code, real - time control and human - machine interaction interface is fulfilled
該數控系統的硬體採用了具有獨立數字信號處理功能的dsp型運動控制器，控制器通過內存訪問與pc機通信，使用c語言編寫了控制器端的中斷服務和插補程序，使用visualc + +編寫了pc端的數控代碼編輯、實時控制和人機交互界面程序。This can be used to embed straight quotation marks, spaces, leading slashes, carets, or any other literal characters in a parameter or switch value, with the exception of switch names
這可用於在參數或開關值（開關名除外）中嵌入直引號（ " ） 、空格、正斜杠、插入符號或其他任何字元。The second example is a implementation of versatile digital waveform generator reveiver, which can be used as a means to test track segment finding logic and global decision logic, and other logics
該信號發生器可以產生任意波型的數字脈沖信號，可以用於主觸發和主漂移室尋跡邏輯的調試與測試，為其它插件的調試創造條件。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。In the time - domain, based on the principle of random sampling of dso. two way ( " time amplifing in dual slope integral " and " time - voltage convert " ) are implemented to measure the time between the system triger and writing clock. thus random sampling interpolate can be done to measure repeated signal in high frequency with the a / d convert and controller which frequency are lower
在時域，根據數字示波器隨機取樣原理，用兩種方法（雙斜率積分時間放大測量方法和時間? ?電壓轉換測量方法）測量數字示波器系統觸發和采樣寫時鐘間時間間隔，用低速a / d轉換器及控制器進行模?數轉換和控制，以此進行隨機取樣內插，從而實現了對高頻率重復信號的測量。That means each position or slot in the password can contain one of 65 characters or symbols, and each slot is filled in a truly random fashion
這意味著密碼中的每一個位置（或稱為插槽）都可放入65個字元或符號中的一個，而各個插槽又確實是以隨機方式填充的。Aiming at realizing an all - digital programmable qpsk modulator with data rates covering 2k ~ 2. 048mbps, this thesis puts research on modulator architecture, base - band signal shaping, programmable interpolation algorithm, and digital signal processing algorithms with fpga. we have completed the program design and the timing simulation, the pcb board has been fabricated. the similation result is given to verify the design
本文以實現2k ~ 2 . 048mbps傳輸速率的變碼速率全數字qpsk調制器為目標，對全數字調制器結構、基帶成形濾波、高倍可變內插以及基於fpga的信號處理演算法等問題進行了研究，編寫了調制模塊的vhdl程序，完成了軟體環境下的驗證調試，並設計實現了板級調試系統。In the implementation, main task is to produce the pumping signal. and the way to switch level and design analog low - pass filter are put forward in the design, too. plan using dsp is adopted in the design of the system
Ti的54xx系列dsp以其在數字信號處理上的優勢和先進的晶元性能可以比較容易的實現該設計的主要功能，完成系統中重要的內插和調制模塊，並可以通過其豐富的外設介面完成數據的輸入和輸出。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。Encapsulates text layout information such as alignment, orientation and tab stops display manipulations such as ellipsis insertion and national digit substitution and opentype features
封裝文本布局信息（如對、文字方向和tab停靠位） ，顯示操作（如省略號插入和國家標準（ national ）數字替換）和opentype功能。To insert a period, press the space key twice. the next letter is capitalized
按空格鍵兩次，插入句號，下一個字母為大寫。Interface symbols with only a half circle at their end a. k. a. sockets represent an interface that the component requires in both cases, the interface s name is placed near the interface symbol itself
在末端只有半個圓的介面（又稱插座）符號代表組件要求的介面（在兩種情況下，介面的名字被放置在介面符號本身的附近） 。Although adsl comes with new digital processing, coding, modulation and error correction technologies, it is also faced with various challenges out of subscriber lines, such as background noise, impulse noise, insertion loss, cross talk, wire size variations, bridge tap, line joints and line insulation, etc. all those factors tend to produce adverse impacts on the performance of high - speed transmission services. firstly, the insertion loss of copper lines increases in proportion to the length of lines
雖然adsl採用先進的數字信號處理技術、編碼調制技術和糾錯技術，但是在推廣adsl業務時，用戶線路的許多特性，包括線路上的背景噪聲、脈沖噪聲、線路的插入損耗、線路間的串擾、線徑的變化、線路的橋接抽頭、線路接頭和線路絕緣等因素將影響高速率傳輸業務的性能。Firstly, the discrete multi - tone processing in an adsl central office - side interface card is detailedly introduced. the processing mainly includes timing, framing, interleaving, forward error correction, cyclic redundancy check, constellation encoding, inverse fast fourier transform processing, prefixing, d / a converting, and amplifying. secondly, a kind of interface named utopia level 2 is used as the network interface, with which many adsl devices are linked with one atm layer
本文比較詳細地闡述了數字用戶線接入模塊（ dslam ）開發方案中， adsl局端介面模塊的dmt編碼與調制過程，討論了其組網應用方式以及基於atm的網路側介面utopia2技術，分析了adsl與其它寬帶接入技術的相互聯系和優缺點，並介紹了方案中所採用的一些關鍵技術，包括在線插拔技術、系統同步啟動和故障自動重起技術以及高速數字信號完整性的保證技術等等。If a caret is the last character on the line, it is ignored
如果插入符號是該行的最後一個字元，則忽略不計。分享友人