數字波形 的英文怎麼說

中文拼音 [shǔxíng]
數字波形 英文
digital waveform
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  1. Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter

    在採用phase - only演算法進行束置零之前,需要估計干擾源的方向和個,因此本文還在第二章介紹了發射成中用於測定干擾源個和方向的空間譜估計法? capon演算法和music演算法的測向原理,並分析了它們的性能和優缺點。
  2. 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所產生的畸變,充分保障了變換器控制的準確性;採用直流分量調節技術,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。
  3. In this dissertation, some algorithms and techniques of digital beam forming ( dbf ) of the conformal array are studied and also adaptive digital beam forming ( adbf ) of uniformity circular array ( uca ) based on wideband signal is investigated. this dissertation is organized as followed. in the first part of dissertation, the basic theory of conformal array is introduced

    本文研究了共相控陣的成技術,對共陣的相關技術進行了詳細介紹,並且對一些常規共陣的成技術進行了研究,得到較好的模擬結果,此外,還對寬帶共成技術及性能進行了討論、模擬及其性能分析。
  4. The technical characteristics of pulse generating are analyzed, a feasible pulse generating method is given and also the system structure of hardware is presented

    本文分析了脈沖發生技術的特點,提出了一套切實可行的脈沖信號的產生方式,並制訂出一套實現脈沖/數字波形產生的解決方案。
  5. 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。
  6. 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。
  7. Based on the importance of pulse / pattern generator, the work of this dissertation comes from the project “ high speed pulse / pattern generator ”, which is taken on by the university of electronic science and technology of china. the dissertation focuses on the process of pulse generating, and its main task is to generate pulse waveforms with adjustable parameters ( including period, pulse delay, pulse width and etc )

    基於研發脈沖/據發生器的重要性,結合電子科技大學承擔的科研項目「脈沖/據發生器」 ,本文圍繞脈沖的產生的過程進行展開研究,主要任務是實現具有各種參(包括周期、脈沖延遲、脈沖寬度等)可調的脈沖數字波形
  8. Resolve some key problems during the experiment. and receiver radio front end is developed successfully

    丘d制出接收機射頻前端組件以及供調試信息採集系統用的寬帶數字波形產生器。
  9. 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。
  10. 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。
  11. 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
  12. 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,對電路的部分進行了分步設計以及功能模擬和模擬。
  13. 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。
  14. 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。
  15. In chapter 2, first give the theory of phased array radar. second introduce the analog t / r module and digital t / r module. third discusses some key technology of wide band digital t / r module, including ddws technology and quadrature modulate technology. at last present a scheme of l bandwide banddigital t / r module

    第二章首先介紹了相控陣雷達系統的組成和工作過程,其次介紹了模擬t / r組件和t / r組件的組成,然後介紹了寬帶t / r組件的關鍵技術,包括:直接數字波形產生技術和正交調制技術,最後提出了一種l段寬帶t / r組件的框圖。
  16. 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。
  17. 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。
  18. 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

    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
  19. 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/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和具有一定編碼規則的用戶據,用來滿足特定測試要求,而數字波形產生部分是脈沖/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。
  20. 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。
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