轉接濾波器 的英文怎麼說

中文拼音 [zhuǎnjiēlǜbōqì]
轉接濾波器 英文
through connection filter
  • 轉 : 轉構詞成分。
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 濾 : 動詞（除去液體雜質） filter; strain
  • 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...
  • 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
  • 轉接 : change-over; throw-over; switch; transfer; transit; reset; adapter coupling; built-up connection
  • 濾波器 : [電子學] electric filter; （electric） wave filter; filter
  1. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  2. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  3. The signal accesses the microprocessor and undergoes internal a / d transformation, data procession and filtration, then directly drives the digital luminescence tubes to display the concentration of the detected methane and send out an acousto - optic alarm and show low potential detection

    此信號進入微處理器經過內部a / d轉換、數據處理、濾波之後直接驅動發光數碼管顯示出被測甲烷的濃度，並給出聲光報警、低電位檢測等。
  4. According to the characteristics of dtc ( direct torque control ) in induction machine, this paper analyzed the estimation error of flux linkage and torque, and introduced an improved method of flux estimation, a compensation method based on low - pass filter

    摘要根據感應電機直接轉矩控制的特點，對低速下磁鏈觀測誤差產生的原因進行了分析，給出了一種磁鏈觀測的改進方法低通濾波器補償法。
  5. Direct modulator converts baseband signal to rf signal without upconvertion. the system design is relatively simple compared to upconversion. so direct modulator provides adventages of compact size, low cost and low spurious response

    直接調制將基帶信號直接轉換為射頻信號，不需要二次頻率變換，與上變頻方式相比系統結構簡單，降低了對濾波器的要求，具有體積小，重量輕，成本低等明顯的優點。
  6. In this part the signal from the infrared sensor was amplified by common collector amplifier, and the demodulator was built by filter. in which the signal got demodulated. because we just need the frequency of the signal, filter may achieved

    通過信號通路，傳感器生成的調幅波信號轉變為與脈搏頻率相同的方波。先由運算放大器接共集電極電路完成信號放大，通過濾波得到脈搏信號的頻率，從而用濾波器電路完成了解調功能。
  7. The speed sensorless techniques for dtc system are very fascinating and challenging subjects recently, they are received wide attention in the literature. some brief description is provided. the proposed approaches are based on speed model of dtc, motor reference adaptive control, the instantaneous reactive power of motor and the extended kalman filter

    無速度傳感器調速系統是直接轉矩控制研究領域內一個非常熱門的研究方向，本文介紹了無速度傳感技術的發展歷史及目前的研究狀況，分別利用直接轉矩控制的轉速模型方法，模型參考自適應方法、電機定子反電動勢以及擴展的卡爾曼濾波器等方法設計了無速度傳感器系統，對于其數學模型和系統構成作了比較詳細的推導。
  8. We propose the joint filterbank precoders and decision feedback equalizers structure at first, by which the dispersive channel is equivallent into parallel independent flat fading subchannels such that the diversity gain of the receiver is increased. then we adopt the discrete - time ( dt ) canonical model to convert the problem of blind signal processing of tv dispersive channels into processing the time - invariant multi - channels model blindly, and discuss the problem of blind equalization and identification of tv dispersive channels based on this new model

    第一種是採用濾波器組聯合均衡方法將色散通道等價為一組獨立的平坦衰落子通道，以提高接收機的分集增益；另外一種是提出採用離散正則模型將時變色散通道的盲信號處理轉化為時不變多通道模型的盲信號處理，並針對該模型對時變色散通道的盲均衡與盲辨識方法進行了詳細討論。
  9. The amplitude discrimination circuit, the filter circuit and the amplifying circuit are designed to transform ac analog signal that the eddy current sensor output to dc analog signal, thus, the dc analog signal can be received by ad converter

    傳感器輸出的測量信號是中頻的交流模擬信號，在下位機系統設計了鑒幅、濾波、放大電路將測量信號轉化為模數轉換器可以接受的直流信號。
  10. The significant investigation result of this paper are as follows : in the first chapter, we firstly introduce the basic concept and important electrical characteristics of digital to analog converter and bandgap reference, review the historical progress of electric filters, summarize the methodologies and implementing techniques of filters, and then analyze the practical circuits realization of filters and unrealistic impact factors on performance of filters, finally, we set forth significance of this studying problem and main research work of this paper

    並將其成功地應用於通信集成電路上，取得了令人滿意的實際應用成果。本文的主要研究成果如下：第一章：首先介紹了數模轉換器的基本概念及其關鍵特性指標，接著綜述了模擬集成濾波器的發展簡史、設計方法和實現技術。然後分析了濾波器實際電路實現及其非理想因素對其性能的影響，闡述了本課題的研究意義以及本文所做的主要研究工作。
  11. A repetitive controller can be obtained by designing a zero phase shift low pass filter. with the help of digital signal processing and software tools, it is easy to design a satisfactory controller

    該方法將控制器的設計轉化為零相移低通數字濾波器的設計問題，藉助于數字信號處理的理論和工具直接得到所需的控制器參數。
  12. Seismic wave ' s property is studied and seismic sensor ' s selection and setup are discussed at first. then, several parts are designed include the prep - amplifier, low pass filter data acquisition of the core of system and the serial interface between dsp and pc. finally, the disquisition presents some measures of anti - interference

    文章首先研究了地震波的特性並對地震檢波器的選擇與安裝進行了討論和設計，接著討論了系統前向通道包括前置放大、低通濾波環節的設計，系統核心數據採集部分vc5402與a d轉換介面以及與pc機串列通信介面的設計，最後介紹了dsp系統抗干擾的一些措施。
  13. As the spread spectrum and despread of digitalization are handled on the digital baseband, it is very important to convert medium frequency signal in analogue to digital baseband signal, and the downconverter functions to convert analogue medium frequency to analogue baseband signal, and to digital baseband signal through a / d transformation and decimation filter

    所以把模擬的中頻信號變為數字基帶信號的下變頻器就顯得非常重要。在這里下變頻器的作用是將由前一級接收而來的模擬中頻信號變為模擬的基帶信號，再經過a / d轉換和抽取濾波成為數字的基帶信號。
  14. 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。
  15. The clock and data pulsation signals from upper sensor heads can be received using pin diode, then, amplified and inverted in logical control unit for the purpose of cpu operation. hereinafter, the digital signal will be delivered into the central processing unit ( cpu ) for related calculation, and meanwhile transmitted to a d / a converter for signal recovery after filter and phase - shift circuit

    通過採用pin管接收從傳感頭傳遞下來的時鐘脈沖和數據脈沖信號，並將它們放大整形傳送到邏輯控制單元，產生邏輯控制信號，再將數字信號傳送給d / a轉換器，設計了濾波器和移相器電路，還原出了原始的被采樣信號。
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