濾波元件 的英文怎麼說
中文拼音 [lǜbōyuánjiàn]
濾波元件
英文
filter element-
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帶通濾波器的設計方法,詳細介紹了該濾波器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。It is suitable to be used as the medium to filter the high purity and strong corrosive gas or liquid, the air plug of battery, gasket, seals for medium / low pressure, the waveguide tube pre - heater for boiler, the sealing wash, the cover of big - powered micro - wave antenna, and radar antenna of twt etc
適用於過濾、高純度、強腐蝕性的氣體液體介質、蓄電池上作氣塞、襯墊、中低壓密封元件、鍋爐波管預熱器、密封圈和軍用微波大功率天線罩,以及行饋網路雷達天線等。Some anti - interference techniques are introduced such as appropriate circuit layout and wiring, the component and device screening as well as digital filter and the zero point processing in software
提出了通過從電路合理的布局布線和元器件的篩選以及軟體的數字濾波和零點處理等措施來達到抗干擾的目的。The error of hall element is analysed and the compensative method is provided ; this paper makes the theoretical analysis of errors producing by the instrument amplifier and a / d converter. we adopt the technology of digital filter and linearization implementing by the neural network method
對霍爾元件的誤差進行分析並給出補償方法;對儀表放大器和a d轉換器引起的誤差進行了理論分析;採用了數字濾波技術和採用神經網路方法實現的非線性校正技術進行軟體補償。A cicuit or device whose purpose is to control electrical energy at a given frequ - ency or over a range of frequencies, groups of passive components are commonly used to construct many types of filters, these passive components include resistors, cap - acitors and inductors
指一電路或裝置其功能是在一特定頻率或頻帶下控制電能,不同種類的被動元件常被用來組成不同的濾波器,這些被動元件包含電阻,電容及電感。The models of diode rectifier system and filter circuit, are established by using power system blockset ( psb ), which are also supplied by matlab
利用matlab提供的電氣系統模塊( psb ) ,建立了二極體整流橋、濾波電路等元件的模擬模型。In active section, in order to meet performance of out put power above 10dbm, the power amplifier module of ka - band is fabricated by using hmc283 to achieve the 14db conversion gain. there are five parts that include of waveguide - to - microstrip ? mixer ? filter ? power amplifier and waveguide - to - microstrip. input signal ' s power is 10dbm, after it pass waveguide - to - microstrip, it ' s frequency is escalate from 30ghz to 35ghz
該組件由五個部分組成:功率為10dbm信號經過波導? ?微帶過渡,然後混頻,濾波將30ghz提高到35ghz濾除不需要的諧波鏡頻以及三階交調信號,為了彌補混頻濾波的變頻損耗,加一級功率放大器,此放大器採用hittle公司hmc283晶元,此上變頻放大組件完成了上變頻?濾波?放大功能。The main works are as follows : 1. the paper systematically describes basic concepts and theories that form the foundation for design of general microwave filters. the topics will cover filter transfer function, lowpass prototype filters, frequency transformations, immittance inverters and the passband insertion loss under the influence of the dissipation of filter elements 2
現總結如下: 1 .對微波濾波器的設計理論進行系統的分析,闡述了微波濾波器的傳輸函數、低通原型、頻率變換、倒置變換器以及元件損耗對帶內插損的影響等方面。Manufacturer of membrane switches, fpc, nameplates, decors, labels, grilles, nets and metal enclosures and parts
-生產開關電源濾波器屏蔽材料以及吸收元件等電子產品。Nanhai jet electronic co. ltd. & pingzhou electronic factory is one medium - size enterprise of guandong real faith enterprise group ltd. manufactures coil. transformer filter, mid - frequency transformer, fixed inductance, etc
南海佳迪電子有限公司、平洲電子廠是廣東省昭信企業集團公司屬下的企業,是生產線圈、變壓器、濾波器、中周、固定電感器等電子元件的中型企業。Because the switches suffer only the half of the input voltage, the three - level ( tl ) converters have been attracting more and more attentions. this thesis proposes a family of zero - voltage - switching multi - resonant three - level dc / dc converters
三電平變換器可以降低開關管的電壓應力,並且可以減小輸出濾波器(或儲能元件)的大小,近年來逐步成為電力電子技術的一個研究熱點。The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics
採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管道軸截面漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法;分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。Firstly, the inversion of the ground motion with the unknown parameters and limited measurements was studied by the sub - structural identification, and the least - square algorithm of unknown input was built. secondly, based on the estimated input, structural parameter down to the element level was identified in time domain by extended kalman filter algorithm. several cases of a 6 - story frame s
首先,使用子結構識別技術,研究了未知參數、觀測不完整條件下的地震動輸入反演問題,建立了未知輸入的最小二乘估計演算法;其次,在估計地震動輸入的基礎上,使用廣義kalman濾波器方法,識別全部單元結構參數。Surface acoustic wave components, capacitors, emc filters, ntc thermistors, ptc thermistors, ferrites & accessories, inductors, microwave ceramics, arrestors, rf modules etc
聲表面波元件,電容器,電源濾波器,熱敏電阻,壓敏電阻,鐵氧體磁心與附件,電感器件,微波陶瓷元件,氣件放電管,射頻前羰模塊等等With the development of the very large scale integrated circuit technology, people " s attention is more and more concentrating on the miniaturization of the large component including the filters
隨著超大規模( vlsi )集成電路技術的發展,人們越來越關注通信系統中大元件的小型化,包括濾波器的設計。Cable assemblies, cables, connectors and passive microwave components - screening attenuation measurement by the reverberation chamber method
電纜組件電纜連接器和無源微波元件.用混響室法測量濾屏衰減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。Filters, couplers and baluns are fabricated in the high frequency passive device integration regions
濾波器、耦合器和平衡非平衡阻抗轉換器系製造在高頻被動元件整合區域內。The inductor, which is one of the most important magnetic components, is not only used in lc filter and choke but also in rf communication circuit. the thin film inductor can be integrated with semiconductor components, so far it has not been widely used in these fields, the reason is the limited of thin - film material and substrate, process technology and design technology. designing and fabricating thin film inductor is the key point of this paper
而作為磁性元器件中最重要的電感,它不僅在lc濾波電路、扼流圈中必不可少,在現代射頻通信電路中也被廣泛使用,特別是能與硅器件一起集成的薄膜電感器,在國際上備受重視,而國內長期以來,由於受薄膜磁芯材料、繞組材料、基片材料,包括製作技術及最為關鍵的設計技術限制,尚未研發出能夠用於這一應用領域的高、中、低頻薄膜電感器。In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly
在設計過程中,根據系統要求,充分考慮鐵路上的實際情況,針對具體問題採取了一系列的相應措施,如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ,設計了v f變換電路和外部a d轉換電路;在硬體抗干擾方面,將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系;在控制方面對于采樣數據的處理引入了算術平均值濾波演算法和真有效值的計算方法,即通過使用軟體來濾除系統中有干擾造成的誤差並計算真值,從而使數據的準確性得到極大地提高。分享友人