線路濾波器 的英文怎麼說

中文拼音 [xiànlùlǜbōqì]
線路濾波器 英文
line filter
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 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
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  • 濾波器 : [電子學] electric filter; （electric） wave filter; filter
  1. On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory

    論文著重介紹實現了跳頻通信系統同步的一般方法，並詳細分析和對比跳頻同步系統的捕獲方案，在此基礎上，提出了一個基於匹配濾波器的位移等待式自同步方案，設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單，該自同步方法在實驗室水池實驗取得良好的效果，並在廈門港海域進行了現場實驗測試，具有較低的誤碼率和一定的檢測概率，結果令人滿意。
  2. 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：改造現有圖形結構，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，再結合前邊的混合濾波器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，進而再對原來的小波軟閾值進行修正，用修正後的值作為小波閾值。
  3. Adsl splitter and transformer, lan transformer, rj45 jack integrated with magnetics, home plug turbo ( 85mbps ) plc to ethernet bridge, inverter modules for ccfl

    漢仁公司主要設計和生產通信網路分離器、變壓器、濾波器、電力線通信設備、背光源驅動模塊、電源等產品。
  4. The trained neural network model can be used to solve a variety of problems emerged in rf / microwave circuit design, such as in microwave circuit cad, the established model structure can be used to characterize the nonlinear behavior of microwave circuits

    如用於微波電路cad ，可用所建立的模型結構來描述這么一類微波電路的非線性行為特徵；如用於微波電路設計，則可進行如共面波導、晶體管、傳輸線、濾波器和放大器等的設計；如用於微波電路優化，則可用所建立的電路模型優化電路參數，進行阻抗匹配等。
  5. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。
  6. It implements filter groups design, wide range linear automatic gain control design, and the programmed logic device design based on vhdl, and discuss their application in initial radar system in details

    其中包括分段濾波器的設計技術，寬線性自動增益控制agc電路的設計技術，以及基於vhdl語言的可編程邏輯器件的設計技術，並對其在數據採集系統中的應用作了詳細的討論。
  7. 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
  8. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。
  9. The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble

    本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作，總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施，並且運用一種雙電感結構的輸出濾波器來改善由逆變器功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。
  10. The basic technologic scheme on microwave transmission, currently maturate and advanced microwave transfer technology and equipment, efficiency slot gap antenna, character quality filter, mixer, exact crystalloid concussion apparatus, power backspacing technology, pre - distortion adjustment. furthermore, the technologic schemes practicing using multilevel microwave transfer technology in some areas such as lengshuijiang is introduced in the paper

    採用了當前比較成熟、先進的微波傳輸技術和設備，如高效的縫隙天線、高品質濾波器、混合器、高精密的晶體震蕩器、功率回退技術、預失真校正技術，結合工程實際，設計了湖南電廣網路33家合資公司的mmds無線微波數字電視覆蓋的基本技術方案，和個別地區（冷水江市數字微波工程）的多級微波傳輸的具體技術方案。
  11. The correlative items of dc filters are researched on the basis of gezhouba - shanghai hvdc transmission project. in the analysis the three - pulse model is used to simulate converter, which takes into account the impact of the stray capacitance. the harmonics distribution on dc lines is simulated accurately, especially the harmonic ignored in old models

    本文以葛上直流輸電工程為基礎，研究直流濾波器設計中的相關問題，採用考慮了雜散電容的三脈動模型來建立換流站模型，更為準確地模擬出直流輸電線路上的諧波分佈情況，尤其是模擬出舊模型中忽略的次（為自然數）諧波，為直流濾波器的設計提供了更精確的數據和判斷依據。
  12. The tristate driver circuit that interfaces with the main distributing frame and the transmit / receive filters. the drivers and filters are part of the port grouping

    與主配線板和發送接收濾波器介面的三態驅動電路。驅動器和濾波器都是埠分組的一部分。
  13. The basic idea is that increasing the equivalent harmonic impedance of power network by valid control of active filter, in order to enhance the performance of passive filter and damp the resonance between the passive filter and the equivalent inductance of the power network

    無源支路在補償無功功率的同時還可以濾除因非線性負載產生的特徵諧波電流，為了抑制無源支路跟電網等效電感產生的諧振現象以及改善無源濾波器的濾波性能，系統中採用諧振注入式有源濾波拓撲。
  14. Based the simplest solutions of control equations, one - cycle controller for the three - phase four - wire apf with four - leg is presented

    基於控制方程的最簡解，建立了單周控制四橋臂三相四線制有源電力濾波器的電路模型。
  15. Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure

    通過理論計算和模擬分析，比較了並聯型apf的幾種控制策略的優點和缺點，從中選擇瞬時無功理論控制策略i _ p - i _ q計算方式為指令電流產生的演算法，並在此基礎上增加了抑制系統諧振和平衡直流側電容電壓的控制；比較了並聯型apf主電路的兩種常見形式，從中選擇了三相電壓型變流器的主電路形式；算出適合該apf的直流側電容和出線電感的參數；設計出能有效消除apf產生的高次諧波的高通濾波器。
  16. 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。
  17. Using separate tuning components would make the circuit complex and difficult to realize, so with the help of the optimization methods, we use the stubs of the filter as the tuning components

    本文藉助優化演算法，利用濾波器的短截線實現對pin二極體寄生參量的調諧，使短截線發揮了雙重作用，而且也克服了一般調諧元件不宜安裝、使電路結構變得復雜等缺點。
  18. The basic operation principle of phase - locked frequency synthesizer and the type of circuits are expatiated systematicly in this paper. the principle of operation on sampling phase detector and some characteristics including the linear tracking and phase noise in phase loop circuits are analyzed deeply. the research is emphased on the theory and design method of circuits in the sampling phase - locked frequency synthesizer. then, the expansion capturing circuit is analyzed and designed for better performance of capturing loop circuits. at last, the loop filter is also analyzed and contrived taking account of effection of additional phase shift by the sampling - holder. the general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product

    本文系統的闡述了鎖相頻率合成器的基本工作原理及電路類型；較深入地分析了取樣鑒相工作原理及電路、鎖相環路的線性跟蹤特性和相位噪聲特性；重點對取樣鎖相頻率合成器電路理論和設計方法進行了研究；為了改善環路的捕獲性能，對擴捕電路進行了分析和設計，並用wewb32軟體對電路進行了模擬；考慮到取樣保持器的附加相移影響，對環路濾波器進行了分析和設計。
  19. The thesis describes a prototype fractional frequency synthesizer which is supported by a project granted by the ministry of science and technology of pr china. firstly, based on the principle of pll, this paper briefly describes three basic pll components : phase detector ( pd ), low pass filter ( lpf ), voltage controlled oscillators ( vco ), analyzes the linearized pll and summaries the transfer functions of third - order pll with ideal intergrator filter respectively. based on a microwave vco, the single point frequency pll frequency ranging from 2. 2 to 2. 5ghz is developed

    首先，從鎖相環的基本理論、原理出發，分析了鎖相環中的三個基本部件：鑒相器、環路濾波器和壓控振蕩器，此後，針對線性化鎖相環進行了分析，研究了在使用比例積分濾波器時，三階鎖相環的環路參數計算；在電路實現時選用了lmx2353 ，在此基礎上，完成了2 . 2 ~ 2 . 5ghz范圍內的小數頻率合成器設計。
  20. The fourth, mainly talk about the phase noise in the pll, and discuss the specific affect on out put phase noise caused by different components in frequency synthesizer, such as mixer, amplifier, multipler, divider, oscillator, phase detector etc. the last part is about how to choice the natural frequency of pll in order to get the better performance in phase noise

    第二章從鎖相環的基本原理出發，介紹了鎖相環的幾個基本部件:鑒相器?環路濾波器和壓控振蕩器，對線性化鎖相環進行了詳細的分析，對數字鎖相環做了詳細的介紹，分析了鎖相環的相位噪聲模型，討論了頻綜中的混頻器
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