通道濾波器 的英文怎麼說
中文拼音 [tōngdàolǜbōqì]
通道濾波器
英文
n-path filter- 通 : 通量詞(用於動作)
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 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
- 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
- 濾波器 : [電子學] electric filter; (electric) wave filter; filter
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Based on upper study deeply the efficient digital channelized architectures based dft polyphase filter banks to deduce and establish several kinds channelized digital receiver mathematic models for real signal
在此基礎上深入研究了基於多相dft濾波器組的數字通道化高效結構,推導並建立了實信號通道化數字接收機的多種數學模型。A channel receiver based on complex multiphase filter group
基於復多相濾波器組的通道化接收機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面金屬插片濾波器,並把它們作為通道濾波器和h面t形結組成雙工器,用矩形波導雙工器的分析程序對它進行了分析,給出了分析結果。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。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。An 8 - channel electroencephalogram ( eeg ) amplifier is designed based on instrumentation amplifier and universal active filter
摘要介紹了基於儀表放大器和通用濾波器的八通道腦電信號放大電路的設計方案。The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge
單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇波長路由的智能型格形光網路演進,對光濾波器的常規性能指標、時域特性和動態可調諧特性提出了更加苛刻的要求,鑒於此,本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、數字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波耦合器和偏振泵浦合波器。A method, which uses the spectrum of output signals and response of digital filters to restrict the lfm signal spectrum, is studied
( 4 )研究了通道融合方法。基於濾波器特徵,研究了頻域加窗的通道拼接方法。In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition
本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論,然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼,並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬,分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下,可以獲得較短的捕獲時間和較大的捕獲概率。Design of super narrow band and comb - shaped multi - channel photonic crystal filters
超窄帶和梳狀多通道光子晶體濾波器設計In this paper, it is expounded the relationship of two - channel perfect reconstruction filter banks to wavelet transform on the base of signal processing and engineering application ; avoiding complex path formula deduction, the selection of a desirable mother wavelet function becomes the design of two - channel perfect reconstruction filter banks
摘要從信號處理和工程應用的角度出發,避開了復雜的數學公式推導,闡述了雙通道濾波?組與小波變換的關系,並討論了母小波函數的選擇可歸結為正交鏡像濾波器的設計。In this paper a multi - passage controlling tactic composed of infinity impulse filter is presented to solve the problem in theory, but actual effect must be verified by experiment in future
文章嘗試採用由無限脈沖濾波器組成的多通道控制策略,從理論上解決源噪聲信號採集問題,其實質效果還有待於後續實驗驗證。Because multi - band wavelet can describe signal more delicately and more compactly than two - band wavelet, and multi - band wavelet can be derived from the infinite iteration of multi - channel filter banks. by means of a detailed discussion for a effective design method of linear phase pr iir filter banks, the author obtain that the method is only fit for two - channel filter banks, but ca n ' t be extended to arbitrary m - channel ( m > 2 ) filter banks
由於m帶小波比2帶小波分析信號更細致、更緊湊,而m帶小波可由迭代的m通道濾波器組獲得,所以本章分析了一種兩通道線性相位完全重構無限脈沖響應濾波器組的有效設計方法,希望可推廣用於m ( m 2 )通道。Also discussed the methods on how to realize the cwt both in time - domain and frequency - domain and how to design the gm - c bandpass filter used in realization of cwt. in order to optimize the performance of gm - c filter, linearization techniques are investigated and proposed. due to process variation and parasitics, an automatic tuning is designed for center frequency / 0 and quality factor q also, in this thesis, 16 - channel analogue cmos cwt circuit has been realized
論文圍繞連續小波變換的模擬電路實現這一熱點問題,討論了連續小波變換的時域和頻域實現方法;具體分析了并行結構與串列結構的優缺點;研究了頻域法中的跨導-電容帶通濾波器的設計;給出了改善跨導輸入級傳輸特性的線性程度並擴大線性范圍的具體方法;設計了片內自校正(可調諧)環節使濾波器參數自動調整到設計標準值;最後給出了16通道濾波器組實現小波變換的方法。Construction for multiple - channel filters associated with slant matrix
矩陣相關的多通道濾波器的構造( 2 ) according to multi resolve principle, a new multi channel filter based gabor wavelet was designed
( 2 )基於多分辨分析原理,設計一種新的基於gabor小波的多通道濾波器。The experiments show that the optimized filter and multi - channel optimized filter are both robust and can segment the image finally
實驗結果證明優化濾波器和多通道濾波器都有很好的魯棒性,能很好的分割出缺陷。At the same time, compared their shortage and advantage. in corresponding to the shortage of optimized filter, designed multi - channel optimized filter
並針對優化濾波器的不足,設計了多通道濾波器,以彌補優化濾波器的缺點。This thesis introduced the parallel and cascade architecture in chapter 6. a 16 - channel filter bank is designed. it also present the result of this thesis according to the software of matlab and pspice
第六章介紹了串列和并行的濾波器組結構,給出了論文設計的16通道濾波器組,並給出了論文用matlab和pspice作的相應模擬結果。Two type microwave bandpass filters are applied to meet different bandwidth requirements. the filters of the 2 % relative bandwidth is realized by ^ / 4 coupled waveguide filters, whereas the ones of 1 % relative bandwidth utilizes e - plane septum mounted in the wavefuides. very compact diplexers are achieved by different configurations individually
根據不同的設計指標,作者提出了兩種雙工器模型:波導分支濾波器雙工器和準平面e面波導雙工器;並且選用不同的濾波器形式來實現通道濾波器:用4耦合波導濾波器設計出相對帶寬為2的窄帶濾波器,而相對帶寬僅為1的極窄帶濾波器是採用過正面濾波器來實現的。分享友人