waveform synthesis 中文意思是什麼
waveform synthesis
解釋
波形合成-
In order to obtain a high - quality speech codec, the phase information of speech should be included in codec. in this thesis, a method for quantizing the phase of sew ( slowly evolving waveform ) and reconstructing sew ’ s phase with cubic polynomial interpolation is given based on the perceptual weighting analysis - by - synthesis ( a - b - s ) vector quantizer for the phase spectrum in wi coder
本文基於感覺加權相位譜分析合成（ abs - analysis - by - synthesis ）矢量量化方法，給出了一種wi編碼器中慢漸變波形（ sew - slowlyevolvingwaveform ）的相位信息量化及合成端相位的三次多項式插值重建方法。 -
Based on the dds technology, the waveform generator first stored data in high speed ram, then used dac to synthesize waveform by the data. many waveforms could then be generated easily. besides, the wave generator could get high performance on frequence resolution and stability, phase continuum, relative bandwidth etc. the dds technology was widely used in frequence synthesis field
基於dds技術的波形發生器以高速存儲器作為波形數據查找表、通過高速d / a轉換器對存儲器的波形進行合成，可以靈活產生多種波形，同時具有頻率解析度高、頻率穩定性好、頻率轉換快、相位連續性好以及相對帶寬較寬等特點。 -
The method to get the parameters for each basic waveform was given by choosing the sine window function waveform as the basic waveform, and based on the srs time - history synthesis principle
依據沖擊響應譜時域合成的一般原則，選擇合成小波中的正弦窗波作為基本波形，給出了確定各基本波形的波形參數的方法。 -
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。 -
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 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。 -
Aim at the development of the software radio in generalization, standardization and modularization, a waveform synthesis solution based on direct digital frequency synthesis is developed
針對國內外軟體無線電技術對通用、標準、模塊化的硬體平臺的需求，本文提出了一種基於直接數字頻率合成原理進行信號數字域調制的波形合成器設計方案。 -
A signal generator based on arm7 mcu ( micro controller unit ) is developed with digital waveform synthesis technology
採用數字波形合成技術設計實現了基於arm7單片機的信號發生器系統。 -
For the unit selection strategy, we achieve candidate units for target ones by calculating target cost based on prosodic character vector. then we use viterbi algorithm to select the best synthesis path for simulation speech by calculating concatenative cost of the synthetic waveform, thus a corpus - based speech simulation system comes into being, and speech simulated by this system has the original speaker ’ s style, rather vivid
在合成單元的挑選方面，根據韻律特徵向量，通過計算目標代價獲得候選單元，根據語音合成單元串聯匹配代價，採用viterbi演算法選擇模擬語音的最佳合成路徑，從而初步實現了一個基於語料庫的語音模擬系統，該系統模擬出的語音具有原始發音人的風格，逼真度較高。 -
The digital upward frequency conversion is the key element of the waveform synthesis. at the same time, basic theoretical analysis and optimum design are done for pci bus slave interface, fifo, transmit signal processor, digital - to - analog converter and logic control
本文對波形合成技術的核心? ?數字上變頻進行了深入細致的研究和介紹，同時對波形合成器中的pci總線介面、先進先出緩沖器、發射信號處理、數模轉換及邏輯控制等部分進行了分析和優化設計，給出了最佳設計方案。 -
The agilent technologies 33220a function arbitrary waveform generator uses direct digital synthesis techniques to create a stable, accurate output signal for clean, low distortion sine waves
Agilent 33220a函數任意波形發生器使用直接數字合成dds技術，可生成穩定精確純凈和低失真的正弦輸出信號 -
The agilent 33220a function arbitrary waveform generator uses direct digital synthesis techniques to create stable, low - distortion output signals so you get accurate results
Agilent 33220a函數任意波形發生器用直接數位合成dds技術產生穩定低失真的輸出信號，使您得到精確的結果。 -
An effective shock response spectrum ( srs ) time - history waveform synthesis method was presented for simulating shock environment with electro - dynamic shakers
摘要為利用電動振動臺進行模擬沖擊環境試驗，給出了一種時域沖擊波形合成方法。 -
Some people are accustomed to using money to evaluate the size of these different characteristics, but some of the veteran in this regard, they are very clear, that is, different types of synthesis ( or even a synthesizer with a different waveform synthesis ) with different voices feeling, so you need to use different styles of music to choose different types of music
有些人慣于用量值的大小來評判這些不同的特性，但是對於一些這方面的老手來說，他們都十分清楚一點，即不同型號的合成器（甚至是一臺合成器中同一種波形的不同合成法）具有不同的聲音感覺，因此在使用時需要你為不同的音樂風格選擇不同性質的音色。 -
The primary work in this dissertation : 1. based on the analysis of direct digital synthesis ( dds ), this dissertation compares the differences and similarities between direct digital waveform synthesizer ( ddws ) and direct digital frequency synthesizer ( ddfs ). a dds system is presented, and the theoretical analysis and practical implementation of the system is discussed in details
本文所作的主要工作如下: 1 .全面分析了直接數字合成（ dds ）技術的工作原理，對比了直接數字波形合成（ ddws ）及直接數字頻率合成（ ddfs ）兩種數字波形產生方法，並就其理論設計和工程實踐問題進行討論。 -
After comparing several analog and digital generation methods of lfm signal, this paper confirms the system scheme as direct digital synthesis plus quadrature modulation. combined with agilent arbitrary waveform generator and phasor signal generator, a generation system is established and a ultra - wideband signal, whose bandwidth is 1ghz and carrier frequency is 4ghz, is generated
通過對幾種模擬與數字線性調頻信號的產生方法的比較，本文採用了以直接數字波形合成（ ddws ）加正交調制的系統方案，並結合實際的儀器設備，產生了帶寬為1ghz ，載頻4ghz的超寬帶線性調頻信號。 -
A new method that transforms bit - level waveform polynomial to word - level polynomial model is given, allowing for simple composition. this method offers an efficient way to determine whether two descriptions from different design levels are equivalent, so component reuse, synthesis and verification across design levels can be realized
木文將位級電路波形多項式描述轉化成字級多項式描述，提供了一種正則、在多項式時間內可構造的、能夠將位級描述轉化成字級描述的模型，月_允許簡單的合成。
分享友人