波形數字化器 的英文怎麼說

中文拼音 [bōxíngshǔzìhuàqì]
波形數字化器 英文
waveform digitizer
  • 波 : 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 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  • 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
  1. Design of digital pulse shape discriminator for phoswich detector

    復合晶體探測器中數字化波形甄別器的設計
  2. In this paper, combined with currently voice coding technique, espically with the fabulosity development of the mixed voice coding and the increasingly utility of the digital signals processor. we investigated the voice coding technique and discussed emphasizedly the technology of variable rate voice coding technology

    本文結合當前語音編碼技術尤其是混合編碼技術的驚人發展及數字信號處理器的日益實用化，研究了語音編碼技術，並重點討論了變速率語音編碼技術。論文簡要介紹語音編碼技術中的波形編碼和聲碼器的主要性能。
  3. The simulation and experiments indicate that these two methods are simple, fast and accurate. a new optimal design of interleaves based on cascaded mach - zehnder interferometers is also presented. as compared with the two existing methods ( digital signal processing methods and fourier filters ), the present method is simple and intuitive

    本論文分析了mach - zehnder干涉儀級聯形式之間的關系，提出了通帶平坦化分叉復用器的新型設計方法，與現有兩種方法（應用數字濾波器設計方法以及傅立葉展開法）相比較，本文提出的設計方法直觀、簡單。
  4. Functional generator having programmabledigitization of arbitrary wave form and dephasing

    可編程數字化任意波形及任意相移的函數發生器
  5. The emphasis of the thesis is base - band signal shaping and programmable interpolation algorithm. we introduce the basic theory of base - band signal shaping, and the effect of the digitizing of the ideal raised cosine rollof signal g ( t ) is attentioned. the shaping filter parameters are determined based on the system specifications, and the simulation results are given

    首先從降低鄰近碼間干擾原則出發，討論了基帶成形的基本原理與升餘弦滾降濾波器的時頻特性，重點分析將理想的滾降波形g （ t ）數字化后對頻譜的影響，並且根據系統指標，確定了各項參數，給出了具體的設計舉例和模擬結果。
  6. This paper include the following parts. firstly the sine exciting - voltage is guaranteed by direct digital synthesize technology ; secondly the digital output of cos ( 9 ) and sin ( 9 ) are generated by microcontroller ; thirdly the two voltage signals which are the product of the two former signals gained by the multiplying d / a converter, being filtered and amplified, have constant frequency, and one amplitude has sine function relationship of with the input angle, and the other amplitude has cosine function relationship of with the input angle ; finally the two signals are acquired and analyzed by relative instrument and software

    主要由以下幾部分組成：用數字頻率合成技術（ dds ）產生正弦激勵電壓信號u _ msin （ t ） ；用單片機產生幅度的數字量輸出sin （ ）和cos （ ） ；用乘法型d a轉換器實現激勵電壓和幅度的乘積，並通過濾波器和功放后即得到頻率固定，幅值隨輸入角成正餘弦變化的電壓信號；最後用數據採集卡採集輸出信號，顯示波形並進行頻譜分析。
  7. Supplier of component instrumentation for power measurement and both mobile and stationary equipment. products, about company and contact information

    -致力於測試與測控技術的開發應用，主要生產數字多用表數字化儀計數計時器波形發生器以及臺式儀等。
  8. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器，獲得管道軸截面漏磁場切向分量的漏磁信號；研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法；分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性，研究了漏磁信號的小波去噪方法。
  9. 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。
  10. 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。
  11. Compared with analog oscilloscope, digital storage oscilloscope contains excellent trigger function, measure function and various data collection methods. it could save and copy the wave data by connecting with pc, printer, and the like. the bandwidth, distinguishability, and sensitivity of digital storage oscilloscope are all better than analog oscilloscope

    和模擬示波器相比，數字示波器有著超強的觸發功能和測量功能以及多樣化的採集方式和自動量程，可以存儲波形並進行硬拷貝，通過介面與pc機、印表機等數字設備相連，其頻帶寬度、解析度和靈敏度比模擬示波器更好。
  12. The direct digital frequency synthesizer is a kind of fully digitized frequency synthesizer, which consists of the phase accumulator, the sine look - up table, the digital to analog converter and the low band filter. it is of high frequency resolution, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase, and the ability to producing arbitrary waveforms

    直接數字頻率合成器是一種全數字化的頻率合成器，由相位累加器、波形rom 、 d a轉換器和低通濾波器構成， dds技術具有頻率解析度高、頻率切換速度快、頻率切換時相位連續、輸出相位噪聲低和可以產生任意波形等優點。
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