通帶濾波器 的英文怎麼說

中文拼音 [tōngdài]
通帶濾波器 英文
bandpass filter
  • : 通量詞(用於動作)
  • : 動詞(除去液體雜質) filter; strain
  • : 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...
  • : 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, the design of a practical sort of high performance biquadrates elliptic active band - pass filters is emphasized, and then the design techniques and how to calculate the resistors and capacitances, how to make computer simulation and tolerance analysis with computer are described in detail

    摘要本文我們重點介紹了一種實用的雙二次型高性能橢圓函數有源的設計方法,詳細介紹了該的設計步驟及阻容元件的參數計算,並對設計出的電路用計算機進行模擬模擬和容差分析。
  2. A coplanar waveguide tunable bandpass filter using ferroelectric thin film

    基於共面導傳輸線的鐵電薄膜可調
  3. 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干涉儀級聯形式之間的關系,提出了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。
  4. Thirdly, two kinds of the methods to improve the performance of filter stopband has been discussed. these methods are used to cleared up the influence of the parasitical passband. through the simulation and test result shows that these methods " s performance is expected

    第三,論了2種對抑制進行改善的方法,以消除寄生的影響,過模擬和實際製作的測試結果。
  5. Abstract the paper gives a circuit of second band active filter ? made of secondary current transmitter, it not only is of the function ? of the voltage filter, but also the current one

    摘要提出一種使用第二代電流傳輸構成的二階有源電路,它既可實現電壓功能,也可實現電流功能
  6. A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector

    過與大華無線電廠合作,研製了超高頻傳感,其主要由天線、超高頻放大、高、寬等組成。
  7. In this paper, on the basis of absorption of achievements of the research on auditory physiology, an auditory model simulationg the peripheral auditory system and part of the central auditory system is set up. the model is made of the fitlters presenting the characteristics of the basilar membrane for analyzing the voice signals, the half wave rectification modeling the inner hair cells and energy transfer of nerve fiber

    在吸收聽覺生理學研究成果基礎上,建立了一個模擬外圍聽覺系統和部分中樞聖經系統功能的聽覺模型。模型由表徵基底膜的頻率分析的組、內毛細胞的半整流特性和神經纖維的能量轉換特性組成,該模型可以作為前端處理來提取語音信號的自相關圖譜。
  8. For phonetic signal modulation, if the pass band range of the band pass filter ( bpf ) is 300hz - 3400hz, the anti - noise properties of laser are approximately independent of bias current and parameters of the cavity ; when the pass band range of bpf increases to a certain degree, modulating bias current and parameters of the cavity can improve the anti - noise properties of laser

    對語音調制情況,如范圍取為300hz - 3400hz ,則激光的抗噪聲性能基本不依賴于偏置電流和腔內參數;當范圍增大到一定程度,調整偏置電流和腔內參數可以實現半導體激光的高抗噪聲性能。
  9. An lpf can be simulated by setting the bpf ' s centre frequency to zero

    的中心頻率設置到0 ,就可以模擬低
  10. 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和內插的實現;接著介紹了結構簡單、適用於一級抽取的cic和適用於做2倍抽取的半;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。
  11. 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ccii入手,重點研究了以下幾種改進型的第二代電流傳輸:改進的差動差分電流傳輸mddccii 、全平衡第二代電流傳輸fbccii 、多輸出四端浮地零ftfn 、全平衡四端浮地零fbftfn 、電流差分緩沖放大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;電流模式跳耦結構考爾低;利用fbccii設計了二階節及電流模式雙二階;設計了基於多輸出端ftfn的電流模式二階電路;過數字化開關選擇的基於fbftfn的電流模式;設計了基於最少個數電流緩沖放大(兩個cdba )的多功能用電流模式及其在非理想因素情況下分析。設計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) 。
  12. Then the design methods of the parallel coupling sir band - pass filter has been discussed, and analysed the different characteristic of the sir resonator with the different impedance rate

    之後,用sir的原理討論了平行耦合sir的設計方法,並分析了不同阻抗比的sir之間特性。
  13. 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比2分析信號更細致、更緊湊,而m可由迭代的m組獲得,所以本章分析了一種兩道線性相位完全重構無限脈沖響應組的有效設計方法,希望可推廣用於m ( m 2 )道。
  14. This paper presents a model of cosine basis functions neural network based on bp algorithm, discusses the relation between the algorithm of neural network and amplitude - frequency characteristic about the linear phase fir filter, introduces the convergence condition of neural network algorithm, and studies the optimal design example about the high - order fir double - band - pass filters

    提出了一種基於bp演算法的正弦基函數神經網路模型及演算法的收斂條件,研究了該神經網路演算法與fir線性相位幅頻特性的關系,給出了高階雙通帶濾波器的優化設計實例。
  15. In the next, we discuss the system of the meg - 1 layer i. the paper centers on the two kernel sub - parts : filtering coding and psychoacoustic model, do some research work in sub - band coding ( cbc ) theory and the relate theory such as quadrature mirror filter ( qmf ) and analyse sub - band filter ; also do research work in psychoacoustic theory especially the part related to the mpeg - 1 layer i. in the third chapter, introduce the ti tms320c6000 series dsps and their characteristics, also about the software development flow and the ti dsp / bios operating system of it. the forth chapter is the most important, firstly, according the algorithm flow in protocol, using c language validate the algorithm ; then, transplant and optimize the coding in dsp. in the processing of optimize, acording the assembler program characteristic of ti dsp, the paper put forward the analyse sub - band filter dsp optimization algorithm base on the eight spot idct. the algorithm has been optimize have greatly improved the work efficiency. make use of the technology of the dsp / bios host channels, data io pipe, software interrupt, we implement the musicam algorithm base on dsp / bios

    論文首先對當前語音編碼技術的發展、分類以及mpeg系列音頻標準作了介紹;接著在第二章,給出了layer的musicam ( masking - patternuniversalsubbandintegratedcodingandmultiplexing )演算法的系統組成,圍繞分析子和心理聲學模型兩個核心模塊,深入研究了子編碼工作原理、比特分配及子編碼中用到的正交鏡像和分析子;探討了心理聲學基本原理和mpeg . 1layer所用到的心理聲學模型。第三章對titms320c6000系列dsp作了簡介,介紹了6000系列dsp結構特點、 c6000dsp軟體開發流程和tidsp / bios操作系統。第四章是本文的重點,首先根據協議給出的演算法用標準c語言編程實現並調試過。
  16. 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

    論文圍繞連續小變換的模擬電路實現這一熱點問題,討論了連續小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)環節使參數自動調整到設計標準值;最後給出了16組實現小變換的方法。
  17. Based on the structure of all optical active fiber ring resonator, dual - tunable er3 + - doped optical fiber ring resonator filter is investigated by adding a tunable bandpass filter to change its wavelength. its finesse can also be tunable by adjusting the pump power. the wavelength tuning range of the dual - tunable fiber ring resonator filter is 39nm, from l526nm to l565nm

    在基於摻鉺光纖環形腔結構基礎之上,過在腔中加入的可調諧介質薄膜來選擇長,並過調節泵浦功率來改變腔精細度,以實現一種長以及精細度雙可調諧的光纖環形腔結構窄
  18. Polarizing beam splitter based resonant anomaly and achromatic polarizing beam splitter, narrow - band filters independent of polarization are theoretically designed and analyzed, the optical elements of which are applied widely in integration optics and optical fiber communication

    理論上設計和分析了共振異常型偏振分離、消色散型偏振分離和與偏振無關的窄,這些光學元件集成光學、光纖信等中有廣泛的應用。
  19. 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模型:導分支雙工和準平面e面導雙工;並且選用不同的形式來實現:用4耦合設計出相對寬為2的窄,而相對寬僅為1的極窄是採用過正面來實現的。
  20. We decide to use seven - sections coupled - line filter after comparing the various filter circuits, and complete the quantitative analysis and optimization design by ads, hfss etc. ( 2 ) three - stages fet low noise amplifier according to the lna ’ s design theory and guide line, we decide to use ne3210s01 fet and choose the form of three - stages, thus we can achieve high stability, low noise and high gain

    過對各種電路方案進行比較,確定採用七階平行耦合微,並利用ads , hfss等工具進行了定量的理論分析和優化設計。 (二)三級聯低噪聲放大根據微lna設計原理及指標要求,我們選用ne3210s01系列低噪聲管,並採用三級放大的形式,以期獲得高穩定性,低噪聲,高增益。
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