連續濾波器 的英文怎麼說
中文拼音 [liánxùlǜbōqì]
連續濾波器
英文
continuous filter- 連 : Ⅰ動詞1 (連接) link; join; connect 2 (連累) involve (in trouble); implicate 3 [方言] (縫) ...
- 續 : Ⅰ形容詞(連接不斷) continuous; successive Ⅱ動詞1 (接在原有的后頭) continue; extend; join 2 (...
- 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
- 連續 : continuation; succession; series; continuity; continuing; running; continuous; successive; contin...
- 濾波器 : [電子學] electric filter; (electric) wave filter; filter
-
Design of current - mode filters based on electronically tunable doccii
的電流模式連續時間濾波器The switched capaci tor filter is the counterpart of the continue time analog filter " s sampling, it is more adapted to the miniaturization of the circuit and can realize the higher accuracy transfer function, especially the design of the cmos integrated sc filter based on the biquad have advantage of high accuracy, small area, low power consumption, simple architecture and easy to debug. it has important academic and practical means of the sc filter " s research and design
開關電容濾波器是連續時間模擬濾波器的采樣時間等效電路,更適合電路的小型化,同時也實現高精度的傳輸函數,尤其是基於雙二階的cmos開關電容濾波器設計具有高精度、面積小、低功耗和電路結構簡單,易於調試等優點,所以研究和設計開關電容濾波器有著重要的理論和實際意義。A common data acquisition card can be used on laboratory virtual instrument engineering workbench through designing the external interface between labview and common date acquisition card on the software design ; used the idea of the double buffer and direct memory access, a real time data acquisition and logging about the succession, big capacitance leakage current is realized ; a digital filter is designed to filter high frequency signals
在軟體設計上,設計了與普通數據採集卡的介面,實現了在labview環境中應用普通數據採集卡的功能;運用雙緩沖和內存直接映射的設計方法實現對連續、大容量泄漏電流信號的實時採集和存儲;設計了數字濾波器對採集后的原始數據濾去高頻干擾。First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基於中頻采樣的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行采樣量化,比較分析了幾種采樣的方式,其中最為重要的是帶通信號采樣定理;然後探討了軟體無線電的一個重要基礎,即多采樣率信號處理,重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現;接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器;再次論文在總結了傳統的調制解調基礎上,結合軟體無線電器件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。Current - mode continuous - time filters based on mocc
的電流模式連續時間濾波器And i finished the layout design, chip test of line driver and equalizer in 2. 5gbps baseband copper cable transceiver and equalizer in the 1. 5gbps sata transceiver respectively. the main improvements and innovations in this thesis are as follows : 1 、 to design an analog equalizer tuned on - chip for 2. 5gbps baseband copper cable transceiver ; 2 、 to present an adaptive equalizer for 1000base - cx transceiver ; 3 、 to present an auto - gain control amplifier used in the adaptive equalizer for the 1000base - cx transceiver ; 4 、 to present an adaptive continuous - time gm - c filter in very high frequency for the adaptive equalizer for the 1000base - cx transceiver
論文主要的改進和創新有: 1 、設計了適用於2 . 5gbps基帶銅纜收發器系統片上可調的模擬均衡器電路; 2 、提出了一種新的適用於千兆以太網基帶銅纜收發器系統的自適應均衡器結構; 3 、設計了甚高頻自動增益控制放大器; 4 、設計了一種適用於千兆以太網基帶銅纜接收器均衡的自適應甚高頻連續時間gm - c二階帶通濾波器。Abstract : in this paper a new identification model constructed by neural networks with modified inputs and stable filters is presented for continuous time nonlinear systems in order to reduce the inherent network approximation errors. an adaptive law with projection algorithm is employed to adjust the parameters of networks. under certain conditions, convergence of the identification error is proved
文摘:在用神經網路進行系統建模時,建模誤差的存在是難免的.為了減小這種誤差,本文對連續時間非線性系統提出了一種新的神經網路辨識模型,它是由帶有輸入修正的神經網路和穩定濾波器組合而成.文中給出了權值的學習演算法,即權值是根據辨識誤差的投影演算法來改變,證明了在一定條件下辨識誤差的收斂性Fully differential leapfrog - type current mode mocc - based filters
連續時間電流模式雙積分器電流鏡濾波器設計In the traditional wavelet transform, because the wavelet filter and coefficient is fixed, as a result, when the discontinuous signal is analyzed, it will produce a lot of big wavelet coefficients in the transition, which makes against the compression. in the image processing, some image is roughness, and it may has sharp edges and oddity parts
由於傳統小波變換的濾波器長度和系數是固定不變的,不能適應輸入信號而變化,這使得在分析非連續信號時,在躍變點兩側會產生大的小波系數;對具有尖銳邊緣、分段光滑或奇異點、圖文混合圖像處理效果很差。Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts
從第二代電流傳輸器ccii入手,重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法,主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器(兩個cdba )的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬(信號流圖法)和反饋設計(跳耦法) 。First, robust controllers design with mixed performance requirement is researched by giving output - feedback synthesis with h2, h and regional pole placement constraints. second, reduced - order robust filters design for continue - time / discrete - time systems is researched. the filters obtained are a set of permitted ones and have optimality and unbiased estimation
首先,以極點配置、 h _ 2 、 h _為目標的輸出反饋綜合為例研究多目標魯棒控制器設計;再則,對連續離散時間系統研究降階魯棒濾波器設計,使得所設計的濾波器具有最優性和無偏性。In the third chapter, a methodologies to realize second - order band - pass filter with which center frequency tuned in a wide range using mcdi ( multiple output current - mode differential integrator ), these two kinds of mcdi are composed of pmos and nmos input transistors respectively, lastly we compare these two integrators " merits and disadvantages
第三章:提出了輸入級分別為pmos管、 nmos管的多輸出端電流模式全差分積分器,並由此構成了中心頻率連續可調的二階帶通濾波器,同時比較了二者的優缺點。The circui t construct ion and the relevan t schemes of the realization of the circuit are also provided, simultaneously, the source of errors and the compensation methods are discussed. all of analysises, calculation results and simulations demonstrate that the methods presented in the paper are feasible, the algorithm is effective, the realization of circuit is simple, the procedures of the design are standard, the circuit is easy to be fabricated on a monolithic, and the system can be used for processing middle - high frequence signal and be applied in low - voltage, low - power and at high speed
在此基礎上,本文首次提出了一種基於狀態空間對數域濾波器的一維連續小波變換實現方法、結構以及相關模塊電路實現的策略,並對該方法的誤差來源與補償措施進行了討論。論文中的理論分析與計算以及模擬結果表明,用對數域狀態空間濾波器實現一維連續小波變換的方法可行,演算法簡單、有效,電路實現簡單,設汁過程規整,易於單片集成,適合處理中、高頻信號並運用於低電壓、低功耗、高速的場合。E there is one - to - one map between the mathematical formulation and circuit realization, and that the method is systematic and suited for designing the network function with zeros and high - order filter. at last, the limitation and applied fields of the methods for realizing one - dimension cwt based on state - space log - domain filter are pointed out, it is also proved by the theoretical analysis and calculation results that the methods are suited for synthesizing the wavelet functions with very small scale or the frequence - transloction version of the mother wavelet ( with much translocation in frequence - domain )
論文還給出了用狀態空間對數域濾波器實現一維連續小波函數的限制條件,並指出了這種實現方法的應用范圍,理論分析與計算結果表明該方法適合用於實現尺度很小的小波函數或由原基小波經頻譜搬移(搬移程度較大)后的小波函數。In the fifth chapter, the performance of transconductor - capacitor ( gm - c ) continuous time filter is discussed. due to process variation and parasitics, an automatic tuning is designed for center frequency and quality factor q. also, in this chapter, a two order bandpass filter with tunable is designed. the effects on filter ' s performance of the non - idealities of a cmos ota are studied and the computer simulations at the mos transistor level are carried out
第五章討論了跨導電容連續時間濾波器的性能特點,設計了一個中心頻率可調的二階帶通濾波器,為了使濾波器參數自動調整到設計標準值,從而保持其設計值的實現精度,論文給出了片內自校正(可調諧)環節。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。Band elimination filter. a filter that has a single continuous attenuation band, with neither the upper nor lower cut - off frequencies being zero or infinite
帶阻濾波器。只有單個連續衰減帶寬,將在上邊帶或下邊帶頻率切斷為零或無窮大。Five programs have been developed with the subroutines mentioned above. these programs are used to analyze rectangular waveguide inductive iris filters, rectangular waveguide e - plane metal - insert filters, h - plane rectangular waveguide right corners, h - plane rectangular waveguide t - junctions and waveguide diplexers, respectively
論文利用矩形波導平面不連續性模式分析的這些子程序,編寫了5個程序,分別用來分析矩形波導電感膜片濾波器,矩形波導e面金屬插片濾波器, h面矩形波導直角彎頭, h面矩形波導t形結和矩形波導雙工器。2d continues gabor wavelets and levenberg - marquardt ( lm ) algorithm are used to automatically abstract features by optimize gabor wavelet ' s parameters of translation, orientation, and scale to make it approximates a local image contour region
論文採用了二維連續gabor小波,通過levenberg - marquardt ( lm )優化方法對小波濾波器的位置、尺度、方位等參數進行優化,使之與圖像的輪廓特徵一致,實現自動提取目標特徵的目的。In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed
第五章:提出了一種新的既具有電壓共模負反饋又同時具有電流共模負反饋的全差分運算放大器電路,能較好地穩定電路的靜態工作點,並應用mos管工作在線性區可作有源可變電阻用的特性設計得到了截止頻率可連續調節的高性能r - mosfet - c 、運放結構切比雪夫( chebyshev )和精確群時延值貝塞爾( bessel )低通濾波器。分享友人