移相濾波器 的英文怎麼說

中文拼音 [yíxiānglǜbōqì]
移相濾波器 英文
allpass filter
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 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
  • 濾波器 : [電子學] electric filter; （electric） wave filter; filter
  1. In this paper, a new technique is proposed for rotation, scaling and translation invariant image watermarking based on log - polar mappings and phase - only filtering

    該文的研究工作和貢獻是：基於對數極坐標仿射lpm和相位濾波器pof ，提出了一種不受旋轉按比例縮放和位移rst影響的數字圖像水印技術。
  2. 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。
  3. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  4. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導相比，脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點，使其得到了越來越多的應用，例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。
  5. Our treatment shows in the raman effect case, mnls solitons, the same as nls solitons, keeps its energy, initial center and initial phase unchanged. however, the raman effect, not the same as nls solitons. reduces its amplitude, widens its width and under the same conditions, the self - frequency shift of mnls soltions is closer to the result of numerical simulation. in the raman effect together with frequency filters case, mnls solitons, the same as nls solitons, keeps initial center and initial phase unchanged and bandwidth - limited frequency filters can make the mean frequency of mnls soltion stand a steady value at the red side of the initial mean frequency, i. e. suppress the self - frequency shift of mnls soltions. and that, the other physical parameters of mnls soltion last stand a steady value. however under the same conditions, the steady value of the mean frequency of mnls soltions is closer to the initial mean frequency and the result of numerical simulation

    有所不同的是， raman效應雖然不改變孤子能量，但會引起孤子峰值的下降和寬度變寬，且在同一條件下， mnls孤子微擾理論得到的自頻移比nls孤子微擾理論得到的更接近直接數值計算結果。有限帶寬的頻率濾波也不引起mnls孤子初始中心、初始位相的改變，選取適當的頻率濾波器參數值能使孤子的平均頻率穩定在初始平均頻率的紅側一穩定值，抑制了自頻移，而且孤子的各物理量最後都穩定在一穩定值，這些與nls孤子微擾理論都是類似的。有所不同的是，寬度為飛秒量級下， mnls孤子平均頻率的穩定值更接近初始平均頻率，更接近數值計算結果。
  6. According to the frndamental and the steps of this method, we cans use the linear regress filter method to make the simulation of the wind load and then we can educe the curve of the time - process wind velocity. after that step, we can get the chart of the dynamic wind load which we can deliver the crosswind into the particle wind load and put them on the corresponding cell nodes. then we can do the analysis of the dynamical wind load through the time - process analysis to get the max value of the displacement

    根據線性回歸濾波器法的基本原理和步驟，藉助相關軟體進行風荷載的人工模擬並得出風速時程曲線，進而轉化為風動力譜，由此將橫風向風力表達成節點風荷載作用於相應的單元節點上，按時程分析法對該空間桁架體系進行風荷載的動力分析，求出結構在進行風動力荷載分析時，結構相應節點對應的最值位移值。
  7. In order to meet the requirement of phase - error and physical dimension, high - pass / low - pass filter phase shifter and solid - structure are applied in the design of if broad - band five - bit digital phase shifter

    考慮對相位誤差和物理尺寸的要求，中頻寬帶五位數字移相器採用高通/低通濾波器形式和立體結構進行設計。
  8. Critical circuits in developing this board, such as tht modulation circuit, demodulation circuit, pll and filter, were analyzed in detail. parameters adopted in these circuits were also calculated. based on all that mentioned above, a rf board was implemented and related tests and experiments were successfully done as well

    本文主要對cdpd移動終端數據機的硬體開發中的關鍵部分?高頻部分電路進行了研究，論文在cdpdv1 . 1規范的基礎上，提出了射頻部分電路的實現方案，選擇了合適的核心晶元，並對電路中的調制解調電路、鎖相環、濾波器等關鍵模塊進行了較為詳細的分析，對電路中的有關參數進行了計算。
  9. In this thesis, complex analytical band - pass filtering based method is proposed to reduce the modulation complexity ; polyphase decomposition is used to reduce the filtering complexity ; uniform dft filter banks based method exploits the center frequency distribution characteristic of filter banks to reduces the modulation and spectral resort processes

    而基於均勻dft濾波器組的演算法充分利用了濾波器組的中心頻率的分佈特點，省略了復頻移環節和整序環節，同時利用多相分解的方法改善了濾波環節，兼有各種方法的優點而大大的提高了演算法的實時性。
  10. The load - control apparatus adopted a single - chip microcomputer system, whose mcu was a kind of high - speed processor - ds80c320, whose a / d switched apparatus was max180, whose low - pass filter was max293, whose f / v transformed circuit was lm331, whose controlled silicon phase - shift touch - off circuit was tca785, and whose communicating interface of rs232 was max202. the watchdog of the mcu was max705 and the system used an on - off electrical source to supply power

    球磨機負荷控制儀採用了單片機系統， mcu採用ds80c320高速處理器，採用max180作為md轉換器，低通濾波器為max293 ， f v轉換電路利用lm331 ，可控硅移相觸發電路使用tca785 ， rs232通信介面晶元採用max202 ， mcu監控電路為max705 ，系統使用開關電源供電。
  11. The basic operation principle of phase - locked frequency synthesizer and the type of circuits are expatiated systematicly in this paper. the principle of operation on sampling phase detector and some characteristics including the linear tracking and phase noise in phase loop circuits are analyzed deeply. the research is emphased on the theory and design method of circuits in the sampling phase - locked frequency synthesizer. then, the expansion capturing circuit is analyzed and designed for better performance of capturing loop circuits. at last, the loop filter is also analyzed and contrived taking account of effection of additional phase shift by the sampling - holder. the general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product

    本文系統的闡述了鎖相頻率合成器的基本工作原理及電路類型；較深入地分析了取樣鑒相工作原理及電路、鎖相環路的線性跟蹤特性和相位噪聲特性；重點對取樣鎖相頻率合成器電路理論和設計方法進行了研究；為了改善環路的捕獲性能，對擴捕電路進行了分析和設計，並用wewb32軟體對電路進行了模擬；考慮到取樣保持器的附加相移影響，對環路濾波器進行了分析和設計。
  12. 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。
  13. Chapter five highlighted on some applications of surface acoustic wave ( saw ) filters that have been used in mobile and wireless communications, we have explained two applications, binary phase - shift keying ( bpsk ), and differential phase - shift keying ( dpsk ), we also proposed an application to implement the cck codewords and the cck demodulation using saw matched filter

    第五章研究了聲表面波濾波器在移動通信、無線通信中的應用，主要介紹了三種應用：二進制相移鍵控（ bpsk ） 、差分相移鍵控（ dpsk ） ，以及用saw匹配濾波器實現cck調制和解調。
  14. The ferroelectric materials for their excellent dielectric, piezoelectric, ferroelectric, pyroelectric, electro - opticial, phonon - optic and nonlinear polarization properties have been widely applied in many fields especially in microwave tunable devices, such as phase shifter in phased array antenna, resonantor and filter etc. as far as microwave tunable dielectric materials, barium strontium titanate ( bst ) and its doped series have been investigated intensively, which have about 50 % tunability

    鐵電材料具有優良的介電、壓電、鐵電、熱釋電、電光、聲光及非線性極化等特性，在多種領域有著廣泛的用途。利用其非線性極化特性能制備微波可調元器件，如相控陣天線上的移相器，諧振器，濾波器等。
  15. The volume of the output filter can be reduced greatly used in cascade inverter with carrier - phase - shifted spwm technology which has a high equivalent switching frequency and a good output sine wave. it is the base of the high power density of asi

    載波移相正弦脈寬調制技術有獨特的消諧波優勢，其等效開關頻率高，輸出波形正弦度好，可以大幅減小濾波器體積，為實現系統的高功率密度奠定基礎。
  16. However these converters become more complicate. phase - shift zvs technique has been used in bidirectional dc / dc converters since it can realize zvs for all switches without auxiliary switches. however when the amplitude of input voltage is not matched with that of output voltage, the current stresses and rms currents of the converters become higher, in addition the converters can not achieve zvs under light - load condition

    諧振、準諧振或多諧振技術方案，變換器的電壓電流應力較高，變頻控制增加了濾波器設計的難度；能量緩沖吸收電路或有源鉗位電路方案，由於需要增加多個額外輔助元件，增加了變換器的復雜性；全橋相移技術方案，由於主電路無需增加額外元件，只需利用相移控制，即可實現軟開關，因此引起關注。
  17. The other is to simulate simple lc filters which call ideal and real inductors model, then we can get the simulating results such as time 、 phase movement and amplitude - frequency specifications are very different mainly due to hysteresis. in all, this paper presents some called real inductors models and provides a design method of real inductor model

    模擬結果表明，調用磁芯電感模型的模擬曲線比調用理想電感的情況滯后、幅值小，反映了磁芯電感元件的電感量、磁滯效應和磁滯損耗都影響濾波器的時移、相移和幅頻特性。
  18. 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。
  19. Both ip - iq approach and id - iq approach need low pass filters, as a result the accuracy of harmonic current detection is influenced by frequency drift. moreover, they both can only be used in three - phase power systems

    I _ p - i _ q法和i _ d - i _ q法都需要低通濾波器，因而會使諧波電流檢測精度受到電源頻率漂移的影響，而且這兩種方法僅適用於三相電力系統。
  20. This approach the problem of conquers phase excursion and frequency drift that anciently adopts fixed frequency filter and its frame is simple

    這種方法克服了以往採用固定頻率濾波器帶來的相移和頻率漂移問題，而且結構簡單。
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