synthesis digital 中文意思是什麼
synthesis digital
解釋
數字合成-
Computer synthesis and touch up is nearly all about todays digital photography, yet its malleability can be more than that. a group of hospitalized people, without the use of computers has promoted the digital photography to another level of enhancement through experimental montage
一班長期住院的朋友以實驗攝影拼貼，將攝影的造像方法伸延，即使沒有電腦亦能將數碼攝影的可能性推向另一層普遍的數碼攝影離不開電腦加工及合成，然而它的可塑性不止於 -
This paper illuminates theory, structure, spectrum distribution, merits and defects, especially spurs of direct digital synthesis ( dds ), and it then introduces phase locked loop ( pll ) theory
對dds的結構、優缺點、頻譜分佈，特別是雜散性能進行了詳細的闡述。接著，又介紹了鎖相環（ pll ）的原理。 -
The subject derives from electronic equipment bureau of electronic information industry of department of general equipment of china. the subject researches dds ( direct digital frequency synthesizer ) signal source of the frequency agile signal generator. it plays a good role in the important pre - research project that is the test technology of tactics anti - jamming for communication transceiver synthesis
本課題是總裝備部電子信息部電子裝備局下達的預研項目? ? 《戰術抗干擾通信電臺綜合測試技術》中的信號源部分（捷變頻信號發生器中的dds信號源部分） 。 -
The circulation function therapeutic instrument of brain based on direct digital synthesis ( dds ) technology uses the domestic newest scientific findings and others in foreign countries. adopting the dds technology directly, it produces the safe, valid treatment. through pasting heart electric electrode on body surface, it introduces electric current to cerebral fastigial nucleus ( fn ) without damage in order to improve the state of brain blood supply and nerve conducted and something of lacking proper care to lose the symptom of coordinating with a net, increase cerebral blood flow, reduce downright bad neuron figure, district of penumbra, lighten brain perinemotoma
基於直接數字頻率合成技術的智能腦電治療儀應用國內國際上最新科研成果，採用直接數字頻率合成技術，實現安全、有效的治療，通過粘貼于體表的電極，無創引入小腦頂核，從而改善腦供血狀態和神經傳導失調失絡癥狀，增加大腦血流量，減少半影區壞死神經元數目，減輕腦水腫，最終達到改善腦循環功能的作用。 -
Professor ching s research interests include adaptive digital signal processing, time delay estimation and target localization, wavelets, blind signal estimation and separation, automatic speech recognition for cantonese, speech modeling and speech synthesis, hands - free communications and advanced signal processing techniques for communications
程教授從事的研究包括信息技術、數字信號處理、語音分析合成、識別，以及陣列處理及通信等。他出版了一百六十多篇專文，先後于國際性期刊刊登及於國際會議中發表。 -
Considering the fact that the analog system is not so good as the digital system on the respect of variation of bandwidths and on the respect of switch between different bandwidths. this paper proposes to adopt the dds ( direct digital synthesis ) technique that produces chirp signals of different bandwidths to improve the situation of losing tracks for the ocean satellite altitude indicator in measuring coarse surfaces
現在的雷達基本上採用模擬系統產生線性調頻信號，由於模擬系統在帶寬變化方面和不同帶寬間切換方面不如數字系統，本文採用dds （ directdigitalsynthesis ）技術產生不同帶寬的線性調頻信號以改善海洋衛星高度計在測量粗糙表面時存在的失鎖現象。 -
Then this paper deals with the design and realization of the smart - antenna receiver system architecture. and the receiver is divided into four modules, including rf front - end module |, if demodulation module, analog to digital conversion module and frequency synthesis module
隨后在此基礎上，對應用於w - cdma系統智能天線接收機進行了系統設計分析，並給出了實現方案，主要包括射頻前端電路模塊、中頻解調電路模塊，參考頻率合成電路模塊和數模、模數轉換電路模塊四部分的設計與實現。 -
Thirdly, the paper researchs the application of single electron transistor and the synthesis theory of cicuit based on quantum dot cellular automata by synthesis example of quantum cellular neural network based on build schr ? dinger equation of coupling quantum dot. at last, the paper researchs digital integrated circuit design based on quantum dot cellular automata and design a 8 - bit quantum dot cellular adder by qcadsign based on a method of majority logic reducetion for quantum cellular automata, it prove this designer of 8 - bit quantum dot cellular adder is correctly
Dinger ）方程為基礎的量子點細胞自動機電路綜合理論，本文以量子細胞神經網路為綜合實例，建立耦合量子點的薛定鄂（ schr ? dinger ）方程組，通過化簡得到類似細胞神經網路的非線性電路方程。最後研究了基於量子點細胞自動機數字集成電路設計，通過建立邏輯方程，簡化邏輯方程，並設計基於精簡qca擇多邏輯門8位加法器，並用qcadesign進行了模擬，實驗證明設計正確性。 -
With the development of digital technology, getting pulse compression signals with direct digital synthesis has been in general use these days. it is widely used to generate pulse compression signal using dds method
隨著現代數字技術的發展，直接數字波形合成（ dds ）的方式獲得脈沖壓縮信號已為現代雷達普遍採用。 -
With the development of modern digital technology and vlsi, the method of digital waveform synthesis of the pulse compression signals is now widely used in radar systems
現代數字技術和vlsi技術迅猛發展，波形合成已經由傳統的純模擬方法發展到現在的直接數字合成，數字方式獲得脈沖壓縮信號已成為現代雷達普遍採用的波形合成方法。 -
This paper based on control theory, according to the conception of phrase lock loop and direct digital synthesis, we designed the clock circuit. it realizes the amalgamation of kinds of the ways about clock, which make it has some superiority
本論文在控制理論的基礎上，以鎖相頻率合成和直接數字頻率合成作為設計思想，搭建時鐘控制電路，在業界實現了多種時鐘控制電路實現方法的融合與統一，具有一定的優越性和領先性。 -
The agilent technologies 33250a function arbitrary waveform generator uses direct digital - synthesis techniques to create a stable, accurate output on all waveforms, down to 1 hz frequency resolution
Agilent 33250a函數任意波形發生器使用了直接數字合成技術，可在所有波形上產生頻率解析度達 -
The thesis used a fully digital method that employed the principle of direct digital frequency synthesis to realize the modulation based on dsp
本文採用了完全數字化的方法，是利用直接數字頻率合成技術的原理，並基於dsp的系統實現msk調制。 -
Secondly, the principle and direct digital frequency synthesis ( dds ) is analyzed deeply. thirdly, the whole system is designed according to the design flow
其次，對實現原理和在設計中需要用到的直接數字頻率合成技術進行了深入的分析。 -
Direct digital frequency synthesis ( dds ) is a new frequency synthesizing technique which is developed rapidly in recent years
直接數字頻率合成（ dds ）是近年來得到迅速發展的一種新興頻率合成技術，它具有頻率精度高、切換速度快、相位連續等優點。 -
Dds ( direct digital frequency synthesis ) can just solve this problem, yet the output has an upper bound and high wideband spurs
Dds （直接數字頻率合成）的出現恰好可以彌補這一缺陷，但是它輸出頻率上限太低，寬帶雜散大。 -
This will involve ( in broad order ) live recording and digital editing, digital processing, analog sound synthesis ( real and virtual ), midi sequencing, and building interactive environments
這將會包含（廣義的說）實況錄音以及數位編輯、數位效果處理、類比音效合成（真實與虛擬） 、 midi序列編輯、以及建立互動式環境。 -
You get standard waveforms along with the flexibility to create your own using direct digital synthesis for a stable, accurate output
除標準波形外，還具有使用直接數位合成得到穩定和精密輸出的靈活性。 -
The configuration that uses ieee - 13 94 to control a vxi system is introduced. chapter 2 describes the resource manager application of message - based device 13 94 - vxi controller and the mechanism of register - based device arbitrary waveform generator ( awg ). the key technology of interface circuit and direct digital synthesis in awg module is discussed explicitly
本文先對vxi總線技術進行了概略的介紹，在此基礎上，對一具體的vxi寄存器基任意波形發生器模塊進行展開，介紹了任意波形發生器模塊與vxi機箱背板總線通訊的介面電路部分及波形發生機理的核心部分的直接數字合成技術。 -
Representing 3d movement by sound is on the basis of kinematics, acoustics, physiological acoustics, psychological acoustics and etc. by the means of analysis, processing and synthesis of digital signal, 3d sound is achieved and output by earphone or speaker. the goal of research is reflecting the moving characteristics of the object in the real world by processed sound in real time
用聲音表現三維運動是以運動學、聲學、人類生理聲學、心理聲學等研究成果為理論基礎，以數字信號分析、處理、合成為實現手段，以耳機或揚聲器為輸出工具，實時合成能夠反映等同三維真實空間中運動物體特性的聲音信號。
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