shaping filter 中文意思是什麼

shaping filter 解釋
形成濾波器
  • shaping : 成型
  • filter : n 1 濾器，濾紙，過濾用料[砂、炭等]。2 【無線電】濾波器；【物理學】濾光鏡，濾色器。vt 過濾，用過濾...
  1. Development of measurement and control system for kdf2 filter tip shaping machine

    2嘴棒成型機測控系統的研製
  2. Abstract : this paper describes the principle of measurement and control system for kdf2 filter tip shaping machine, the detailed circuit of measurement and control is given

    文摘:本文介紹了kdf2嘴棒成型機測控系統的工作原理，並給出了具體的測量控制電路。
  3. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻，通過低通濾波取其差頻，並經整形後由數字信號處理電路處理。
  4. Secondly, the methods to realize the shaping - filter are introduced, which include the fir algorithm, the fft - ifft algorithm and the symbol sliding - window algorithm. the genetic algorithm ( ga ) is used to optimize the filter coefficients

    接著介紹了成形濾波器的幾種實現方法，包括fir演算法、 fft - ifft演算法和碼元滑動窗演算法，並將遺傳演算法用於確定成形濾波器的系數。
  5. The transmit circuit includes convolutional encoding, framing, differential encoding, shaping filter, pn generator, hopping pattern generator, etc. the main part of receive circuit is matched filter

    發送電路包括卷積編碼、成幀、差分、成形濾波、 pn發生器和跳頻圖案發生器等；接收電路的主要部分是匹配濾波器。
  6. Then, the influence of parameters on shaping filter is analyzed

    分析了在高速成形濾波器的設計過程中各參數對濾波器實現的影響。
  7. 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。
  8. Theory analyze of base - band shaping filter is delivered and adaptive compensation of imperfections in modulators are discussed

    對方案中基帶成形濾波、調制誤差自適應補償技術進行輸入理論分析。
  9. First, we analysize the performance of coherent and noncoherent dlls, then we give an implementation scheme of dll and a design method of carrier tracking loop. the design methods and a implemention scheme of a fir shaping filter is proposed in the fifth part

    首先分析了相干和非相干延遲鎖定環的性能，接著給出了一種dll跟蹤環路的實現方案和一種載波跟蹤環路的設計方法。第五部分介紹了一種fir成型濾波器的設計和實現方法。
  10. Aiming at the problem of intercepting the direct sequence spread spectrum communication signal, this paper makes full use of the wave characteristic of base - band signal after it is applied to shaping filter is made, and an algorithm which is based on the average power serial is given

    摘要針對直接序列擴頻通信信號的偵察問題，充分利用擴頻基帶信號發送成型濾波后的波形特點，提出了一種基於最大平均功率序列的演算法。
  11. Realization of the wide - band shaping filter in baseband is carefully analyzed, and then a low - cost realization method is brought forward. furthermore, through shaping filters, i / q route self - synchronization and compensation and revise of the nonlinearity and the imbalance of amplitude and phase of the modulation circuits are advanced

    分析了基帶寬帶數字成形濾波器的實現難點，提出了低代價的實現方法，並利用成形濾波器解決了調制端i / q自動同步，調制電路的各種非線性和幅相不平衡的補償校正等問題。
  12. Firstly, the paper gives the mathematical model of the shaping - filter functions and discusses their transmission characteristics

    首先給出了成形濾波函數的數學模型，討論了幾種常用成形濾波函數的傳輸特性以及對傳輸系統信號誤碼率的影響。
  13. This essay researched the design of linear phase fir shaping filter based on field programmable gate array ( fpga )

    本文研究了利用fpga設計線性相位的fir成形濾波器。
  14. In addition, the paper presents filter multi - phase structure for the shaping - filter design and its fpga implementation, where multipliers can be omitted by using the look - up table of the filter coefficients rom. test of the prototype circuit board shows the method is perfect

    然後介紹了數字成形濾波器多相結構的fpga實現方法，運用查詢系數rom的方法可以省去實現濾波器的乘法器結構，並對此實現方法進行軟體模擬和硬體電路板測試，測試結果達到了較理想的效果。
  15. Fpga is used as platform of base - band shaping filter. the vhdl program and simulation of fir shaping filter is given in this paper

    利用fpga作為基帶fir成形濾波的實現平臺，論文給出了實現fir成形濾波器的vhdl程序及模擬。
  16. Based on the features of shaping filter, we put forward the look - up table and the polyphase algorithms. the contents in the roms are given

    在此基礎上，針對成形濾波器的特點，研究了高效的查表結構和多相結構的硬體實現演算法，並給出查表結構的rom表數據。
  17. Firstly, various methods of designing digital shaping filter are compared. secondly, the principle and the configuration of distributed algorithmic is presented

    比較了實現數字式成形濾波器的各種方法，闡述了分散式演算法的原理以及濾波器實現的結構。
  18. The researches in this dissertation focus on several key technologies in mt receiving of wideband code division multiple access ( wcdma ) system, including digital matched filter, rake receiver, design method of synchronization and digital shaping filter

    本文研究第三代移動通信中的寬帶碼分多址（ wcdma ）系統移動臺（ mt ）接收的若干關鍵技術。包括數字匹配濾波器、 rake接收機、同步電路設計和數字成型濾波器等。
  19. According to the nyquist first criterion, the usual way is to use raising cosine shaping filter in real communication system. by choosing appropriate rolling off factor and determining the distribution of its characteristics between the transmitter and the receiver, the shaping, filter will minimize the nonlinear distortion, of channel

    根據奈奎斯特第一準則，在實際的通信系統中，通常的途徑是採用升餘弦滾降成形濾波器，選擇適當的滾降系數，並確定其特性在收、發兩端的分配問題，以便將通道非線性的影響最小化。
  20. The paper introduces the modulation and demodulation theory of / 4 - dqpsk. recommended pulse shaping filter and bit synchronization detailed. then author use matlab software to simulate the whole process of modulation and demodulation and use verilog hardware description language to design the module

    本文中介紹了/ 4 - dqpsk的調制解調原理，著重介紹了成形濾波器，位同步實現，並對調制解調的全過程進行matlab模擬並用verilog硬體描述語言設計實現各個模塊。
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