digital waveform 中文意思是什麼
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Waveform reproduction control for double - actuator electro - hydr aulic vibration test bed based on digital signal processor
的雙缸電液振動臺波形再現控制 -
The waveform generated using digital systems is of strict coherence, repetitiveness, high stability and programmability, which can also easily realize the waveform parameter agility and generate arbitray waveforms in order to meet the urgent needs for anti - interference and strong viabilities of radars under modern ew environment
數字方法生成的波形具有嚴格的相干性、可重復性、高度的穩定性和可編程的優點，能夠方便地實現波形參數捷變以及產生任意復雜波形，滿足了現代電子戰環境中對雷達抗干擾和強生存能力的迫切要求。 -
In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance
在基於dsp的數字變換器平臺中，採用全數字波形校正技術，完全補償了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸變，充分保障了變換器控制的準確性；採用數字直流分量調節技術，可以精確地對控制信號進行補償，在充分保證輸出性能的前提下，實現了輸出直流分量的調節。 -
This dissertation mainly studies the hardware system realization of the radar multi - waveform digital pulse compression processing system in frequency domain
本文主要研究雷達多波形頻域數字脈沖壓縮系統的硬體系統實現。 -
This dissertation mainly studies the radar multi - waveform digital pulse compression processing system in frequency domain based on fpga and multi - dsp
本文主要研究基於fpga和多片dsp的雷達多波形頻域數字脈沖壓縮系統及其軟體設計。 -
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。 -
Digital waveform generator which use dds ( direct digital synthesize ) technology has many merits like high frequency resolution, good stability and easy to generate signal
基於dds技術的數字波形發生器具有頻率解析度高、穩定性好、可靈活產生多種信號的優點。 -
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。 -
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。 -
Bring forward one dds - based two - ram two - channel digital waveform generator which use cpld technology to improve system ' s integration
探討了一種用cpld實現的基於dds的雙ram雙通道數字波形發生器的設計。 -
Establishing and analyzing the mathematical model of moa, then developing a portable instrument based on the digital waveform analysis method for on - line monitoring leakage current of moa
分析並建立了moa的數學模型，並研製出一套基於dft數字波形分析法的便攜式moa在線監測裝置 -
Here we bring forward one digital waveform generator based on dds technology, use cpld to do hardware design, finish functional and timing synthesize with certain eda tool ' s help
文中設計了一種基於dds技術的數字波形發生器，並在此基礎上採用cpld技術來進行硬體設計研究，對電路的數字部分進行了分步設計以及功能模擬和波形模擬。 -
Concerning the key technology of phase delay, the principles and its implementation of digital waveform phase delay based on waveform excitation is explained, which has achieved high transmission phase resolution in experimentation
對于相位延時這一關鍵技術，本文著重闡述了以波形激勵為基礎的數字波形相位延時的原理和實現，經實驗達到了很高的發射延時解析度。 -
Namely it is on - line insulation monitoring. in this thesis by analyzing on - line insulation monitoring transition digital waveform based on fft is brought up. at the on - line monitoring system ' s structure of high voltage electric equipment is introduced emphatically
本文論述了開展絕緣在線工作的重要性和國內外開展此項工作的現狀和發展趨勢，然後分析了目前絕緣在線監測系統存在的問題，提出了基於傅立葉變換的數字波形分析方法。 -
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。 -
In this thesis, a intellectual instrument for on - line monitoring leakage current of moa was developed. the contents are listed below : ( 1 ). using the virtual instrument technology, the digital waveform analysis method based on dft and the ready module of plural operation in labwiew and then developing a multi - functional intellectual device for on - line monitoring leakage current of moa
本文進行了智能式moa泄漏電流在線監測裝置的研究，主要內容如下： 1 ）應用虛擬儀器技術，基於dft的數字波形分析法和labview中現成的復數運算模塊，研製出一套智能式moa泄漏電流在線監測多功能裝置。 -
These parameters include bandwidth, carrier frequency, signal duration and signal repeat frequency. according to the parameters, we select the method direct reading the stored digital waveform to realize the waveform generation in the third part, the waveform generator system control including communication control, timing control and address generation is designed
第二部分研究了線性調頻信號參數間的內在聯系，包括信號帶寬、中心頻率、持續時間及重復頻率等，設計了信號參數，並在前人研究的基礎上選擇了波形存儲直讀法作為信號產生方案。 -
Thus, further researches on digital waveform generation are of much importance recently
因此對雷達波形數字產生技術的深入研究具有非常重要的現實意義。 -
4. on the foundation of the successful digital waveform < wp = 4 > analysis method, some valuable explorations were made and a new idea about moa on - line monitoring was presented in this thesis
在數字波形分析法的成功基礎上又進行了有益的探索，提出一種新的想法並實現了基於pc - daq （ pci ）的虛擬儀器系統 -
The pulse / pattern generator has been wildely used in modern measuring and controlling fields, it can generate kinds of standard pulse signals and programmable user data to meet some special digital measuring requirements. and the digital waveform generating part, which can generate digital waveforms in given working modes, is the core of a pulse / pattern generator
脈沖/數據發生器是現代測量與控制中常用的信號源，它可以產生各種標準的脈沖波形和具有一定編碼規則的用戶數據，用來滿足特定數字測試要求，而數字波形產生部分是脈沖/數據發生器中的核心部分，承擔著產生各種模式的脈沖數字波形的任務。
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