波形濾波器 的英文怎麼說

中文拼音 [xíng]
波形濾波器 英文
mode filter
  • : 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...
  • : 動詞(除去液體雜質) filter; strain
  • : 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
  • 濾波器 : [電子學] electric filter; (electric) wave filter; filter
  1. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造現有圖結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小軟閾值進行修正,用修正後的值作為小閾值。
  2. 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干涉儀級聯式之間的關系,提出了通帶平坦化分叉復用的新型設計方法,與現有兩種方法(應用數字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。
  3. The convergent properties of the multimode method are discussed. finally a diplexer employing h - plane t - junction and preassigned e - plane metal - insert branching filters is given. and the scattering parameters of the un - optimized diplexer were obtained by the computer program

    在論文的最後部分設計了兩個e面金屬插片,並把它們作為通道和h面t結組成雙工,用矩導雙工的分析程序對它進行了分析,給出了分析結果。
  4. On this basis, sectionalized linearization of bilinear hysteretic structural characteristics and bilinear hysteretic filtering of structural system are put forward

    在此基礎上,又提出了雙線滯后體系的隨機分段線性化法和雙線滯后體系的隨機分段線性
  5. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成導的金屬壁,由於每排金屬孔孔間距遠小於長,因此由縫隙泄漏的能量很小,這相當于內部填充了介質的矩導,所以能夠用矩普通導實現的結構也都可以用基片集成導來實現,比如功分、天線、耦合、振蕩等。
  6. 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

    與普通矩導相比,脊導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊導本身的特點,使其得到了越來越多的應用,例如寬帶脊、寬帶定向耦合、雙工、變頻、移相、脊導縫隙天線陣等等。
  7. 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的系數。
  8. Then, the influence of parameters on shaping filter is analyzed

    分析了在高速成的設計過程中各參數對實現的影響。
  9. 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的實現難點,提出了低代價的實現方法,並利用成解決了調制端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。
  10. A novel e - plane metal insert waveguide filter is presented in this paper. comparing to conventional e - plane waveguide filter, great improvments have been made in stop - band attenuation of a bpf

    為了提高e面全金屬膜片矩的阻帶性能,本文對的結構做了改進,採用了混合膜片的式。
  11. Through analyzing strata ' s absorbtion and attenuation, the specialty of ssf in system - one ( two ) and 24 - bit a z a / d, the scheme to improve the data acquisition system is brought forward including the design of multiple differential spectrum equilibrium filter ( mdsef ) and program control amplifier

    通過詳細分析地層的吸收衰減特性, system - one ( two )頻譜整及24位a d的特點,對現有採集系統提出了改進方案。其中包括對多級微分頻譜均衡的理論設計,程式控制型前置放大的理論分析與設計。
  12. Broadband internet account will be activated on the second working day after receiving the broadband equipment ( included one modem, one power adapter, one micro - filter, one adsl cable ( rj11 ) and one crossstraight ethernet lan cable ( rj45 ) )

    客戶于登記此計劃時將會收到寬頻數據機、變壓及微一個,寬頻線連rj11插及以太網交叉式直式網路線連rj45插各一條。
  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
  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的乘法結構,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. 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。
  16. 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的各種方法,闡述了分散式演算法的原理以及實現的結構。
  17. A form - division dimension filter of fuzzy automatic control

    一種模糊自動控制分
  18. With qpsk modulation method employed in our ofdm system, there are several important parameters relating to bandwidth efficiency should be consider carefully. they are the number of subcarrier, the length of cycle prefix and the parameters of pulse shaping filer

    結合qpsk調制,文中討論了建立這樣一個高帶寬效率的ofdm傳輸系統所需要著重考慮的幾個參數:子載數目、循環前綴長度和成的參數。
  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,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,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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