陷波電路 的英文怎麼說
中文拼音 [xiànbōdiànlù]
陷波電路
英文
notching circuit- 陷 : Ⅰ名詞1 (陷阱) pitfall; trap2 (缺點) defect; deficiency Ⅱ動詞1 (掉進) get stuck or bogged do...
- 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...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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The video signal is directed to the crt through a sound trap which eliminates the sound-carrier frequency.
視頻信號通過聲音陷波電路,消除聲音載波頻率,直達CRT。Company now have independence develop ten many china patent and many independence intellectual property ' s software copyright ' s product ; company major product : cable television consumer management control system ( but look for address 2 - 8 branches allot style, 8 - 32 gather line style ) ; shoot frequently plus unfasten harass system ( crowd plus crowd unfasten, cent two sections, point channel shan unfasten ) ; video frequency number subsections plus unfasten harass system ; cable television network burglarproof sow system ; number cable television product is with number mmds ( microwave ) systematically ; general purpose type prevent thunder supply electric appliances, shoot frequently automate supply electric appliances, but look for address control supply electric appliances ; power supply prevents thunder protection product ; pass flow branch, dispenser, split utensil, cavernous wave utensil, power supply inserts utensil, but transfer attenuator, but transfer equalizer wait for
目前擁有十多項中國專利和多個自主知識產權的軟體版權的產品;公司主要產品:有線電視用戶管理控制系統(可尋址2 - 8戶分支分配式、 8 - 32戶集線式) ;射頻加解擾系統(群加群解、分兩段、按頻道單解) ;視頻數字分段加解擾系統;有線電視網路防盜播系統;數字有線電視產品與數字mmds (微波)系統;通用型防雷供電器,射頻自動控制供電器,可尋址控制供電器;電源防雷保護產品;過流分支、分配器,分流器、陷波器、電源插入器,衰減器、均衡器等。Colour subcarrier trap
彩色副載波陷波電路It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line
該方法通過將所包含的四個定位判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行有選擇地遞進使用,不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷,更將故障定位在故障線路最小故障區段。After large numbers of emulation and prototype board experiments, the second version adds a 50hz notch filter and a two - stage low pass filter
第二版在第一版的基礎上通過電路功能模擬、搭建原型板驗證,增加了50hz陷波濾波器和一個二階低通。The video signal is directed to the crt through a sound trap which eliminates the sound - carrier frequency
視頻信號通過聲音陷波電路,消除聲音載波頻率,直達crt 。Specification for line traps for power line carrier systems
電源線載波通信系統用線路陷波器規范For above problems, i design boole process - based algorithm. for example, hazards finding theory work out a formal method of finding hazards by waveforms computing ; waveforms increasing algorithm settle the defect of boole process in feedback cycle treatment ; false paths discerning algorithm can delete useless nodes in netlist effectively ; inertia conflict eliminating method describes the state of nodes truelier and reduces computing
其中,冒險檢測定理給出了通過波形運算檢測電路中冒險現象的哈爾濱工程大學碩士學位論文形式化方法;波形遞增演算法解決了boole過程在處理電路中反饋環問題上的缺陷;偽路徑識別演算法能夠有效地去除電路網表中的無用節點;而慣性沖突消除法能使對節點狀態的描述更加真實,並減少了計算量。As a planar structure, microstrip fit for hybrid integrity, but their disadvantages also exist : the dissipation loss caused by conductor, radiation, and dielectric, therefore, they are not suitable to be used in millimeter wave applications and couldn ’ t compose high q passive components
微帶線作為一種平面電路結構,適合於系統的混合集成,但是這種結構也存在一定的缺陷,由於導體損耗、輻射損耗和介質損耗的存在,使得它不適于工作在毫米波波段,也無法構成高q值的部件。Line traps for a. c. power systems
交流電力系統用的線路陷波器The design of trap circuit to eliminate the power interference in electric network
消除電網工頻信號干擾的陷波電路設計Based on existing device, the disturbance was decreased by adopting the new type of trap filter circuit and differential amplifier circuit, the measuring signal met the requirement in the end
作者立足於現有器件,通過設計的新型陷波電路和信號差動放大電路,減小了干擾信號對測量的影響,使得測量信號達到良好的效果。Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。The research of this paper is much practical. this dissertation discusses the work principles of several digital phase shifters respectively, and describes their characteristics. based on this, the milimeter 4 - bit digital phase shifter is designed by using different circuit format with 71 main line microstrip, incorporating the guideline and the level of process
在此基礎上,結合所給的指標要求和實際的加工工藝水平,採用71的微帶線作為移相器的主線,四位移相位採用了不同的電路形式,針對大移相位相位精度誤差大的缺陷對傳統的反射型移相器電路進行了改善,設計出了毫米波四位數字移相器。According to the basic theory of iir filters, a scheme of hardware implementation is worked out combining with the fact that coefficients of numerator and denominator of transfer function are fixed and the structural feature of selected hdpld. from the clew of implementing a stratified , modularized and parameterized design , the thesis describes the hardware implementation of the iir filter with vhdl and schematic diagram design method. two examples that are iir notch filter and iir low - pass filter are given , the stability of filters and the effects of quantification of coefficient are also analyzed
以iir數字濾波器的基本理論為依據,結合濾波器的傳遞函數分子、分母系數固定這一事實和選用的高密度可編程邏輯器件的特點,確定了iir數字濾波器的硬體實現方案;按照層次化、模塊化、參數化的設計思路,採用vhdl硬體描述語言和原理圖兩種設計技術進行了iir濾波器的硬體設計;本文給出了iir陷波濾波器和低通濾波器兩個設計實例,對設計的濾波器都進行了穩定性分析和系數量化影響分析;最終將完成的iir濾波器的硬體設計配置到晶元中,並在製作的實驗電路中進行了實際濾波效果測試。Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically
本文在原有vxi總線四通道計數器模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度,將原模塊中的所有數字電路全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電路的可靠性和測量精度;採用高速的數字信號處理器( dsp )取代原有的單片機作為協處理器,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較器晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號,能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大器得到隔離通道所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。Some methods for overcoming these disadvantages are investigated as follows : first, using shield and magnetic circuit to shorten the sensor length and enhance the signal magnitude ; second, improving the data acquisition system to intensify the capability of fine defect detection ; at last, adopting digital signal processing technology such as homomorphic filter, wavelet transform and error correction to ensure detecting reliability
本文結合有限元模擬和實驗方法,研究了改進遠場渦流技術性能的幾種方法,即:採用電磁屏蔽、磁路進行傳感器優化設計以縮短探頭長度、增大信號強度;改進信號調理電路以提高細微缺陷檢出能力;利用同態濾波、小波變換以及誤差修正等數字信號處理技術確保檢測結果的可靠性。分享友人