prototype filter 中文意思是什麼
prototype filter
解釋
原型濾波器-
Based on legendre multinomial, a new kind of low pass filter prototype is designed out after analyzing the design rule and inefficiency of some classical filter prototypes
摘要分析了幾種經典的濾波器原型設計原理及其自身不足，基於勒讓德多項式，給出了一種新的低通濾波器設汁原型。 -
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。 -
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。 -
An optimal design method for the prototype filter design of the filtered multitone modulation system is proposed
摘要給出了濾波多音調制系統的原型濾波器優化設計方法。 -
This method can not only minimize the stopband energy of the prototype filter, but also determines the inter symbol interference power and the transition band energy, which can be used to design prototype filters for both the critically sampled fmt system and the non - critically sampled fmt system
該方法不僅可以最小化原型濾波器的阻帶能量，還界定了符號干擾功率、過渡帶能量，適用於嚴格采樣和非嚴格采樣濾波多音調制系統。 -
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。 -
( 2 ) researching on the method of defending data security and the architectures of computer network firewall, and constructing the prototype of cf firewall. ( 3 ) researching on the packet filter technology in computer network firewall, designing and realizing cf _ firewall packet filter router. ( 4 ) researching on the proxy technology in computer network firewall, discussing the applications of proxy technology in computer network, designing and realizing cf _ firewall http proxy server and cf _ firewall ftp proxy server
主要研究內容如下： （ 1 ）提出並討論協同設計網路安全問題，指出進行協同設計網路安全環境方面研究的必要性； （ 2 ）研究網路安全防範機制和網路防火墻體系結構，建立cf _ firewall網路防火墻原型系統； （ 3 ）研究網路防火墻包過濾技術，設計並實現cf _ firewall過濾路由器； （ 4 ）研究網路防火墻應用代理技術，討論代理技術的實用性，設計並實現cf _ firewallhttp代理服務器和cf _ firewallftp代理服務器； （ 5 ）研究反向代理技術和vpn技術在建立協同設計網路安全環境里的作用，以指導具體的協同設計網路安全環境的方案選型。 -
Based on the prototype, a demo of the active firewall, tx - defendingl. o, which includes package filter firewall, real - time intrusion detection, central event manager in and network security policy database, is designed and implemented
在主動防火墻的概念模型的基礎上，本文實現了基於linux具有實時入侵檢測、包過濾防火墻、中心事件管理者以及安全策略庫的完整的主動防火墻原型系統tx - defending1 . 0 。 -
In addition, the paper presents filter multi - phase structure for the shaping - filter design and its fpga implementation, where multipliers can be omitted by using the look - up table of the filter coefficients rom. test of the prototype circuit board shows the method is perfect
然後介紹了數字成形濾波器多相結構的fpga實現方法，運用查詢系數rom的方法可以省去實現濾波器的乘法器結構，並對此實現方法進行軟體模擬和硬體電路板測試，測試結果達到了較理想的效果。 -
In our proposed method, both the objective function and the perfect reconstruction condition are expressed as a quadratic function of the prototype filter coefficient vector
該方法中，目標函數和完全重構條件均被表示成為原型濾波器系數矢量的二次函數形式。 -
The research results show that the proposed active power filter can compensate both the current harmonic current source and the harmonic voltage source. in addition, the determination method of the main parameters is deduced, which can provide the theoretical basis for the design and implementation of the prototype
此外論文還推導出並聯型混合有源電力濾波器主電路參數的選取原則和方法，為后續有源電力濾波器的設計和實驗裝置的實現提供了理論依據。 -
In this paper, the proposed framework integrates ltsa ( learning technology systems architecture ), information filter, lom ( learning object metadata ), xml and java to solve, the personalization in the generation web - based learning content. moreover, the paper designed a prototype personalized learning object resources filtering system model, the instruction theory fundament of which is constructivism, self self - regulated learning and interactive learning
從理論基礎上，本文以建構主義、互動式和自我調節式學習作為學習理論依據，提出了個性化網路學習系統的一個基於lsta （學習系統技術架構） 、信息過濾、學習對象元數據技術的系統架構和技術方案，並針對網路學習系統的核心部分資源信息的過濾設計了一個原型系統模型。 -
Numerical simulation results show that the prototype filter can obtain a better performance by this method
數值模擬結果表明該方法可以獲得較好性能。 -
The fourth chapter discusses modulated filter banks. the theory and design method of prototype filter are provided
第四章討論了調制式濾波器組，給出餘弦調制濾波器組的基本原理及設計方法。 -
By using the lagrange multiplier approach, the design procedure is formulated as solving the linear equation iteratively to obtain the desirable prototype filter coefficient vector
使用拉格朗日乘數方法，演算法通過迭代求解線性方程來獲得期望的原型濾波器系數矢量。 -
The typical design gets the technical parameters from digital filters that should be designed, and then transformed into the analog parameters of a low - pass analog filter prototype. the prototype is converted into the analog low - pass, high - pass, band - pass and the band - stop filters respectively, which are transformed into the digital ones
典型設計是先按一定規則將給出的數字濾波器的技術指標轉換成模擬低通濾波器的技術指標，據此產生模擬濾波器原型，然後把模擬低通濾波器原型轉換成模擬低通、高通、帶通、帶阻濾波器，最後再把模擬濾波器轉換成數字濾波器。 -
The archimedes filter should be a high - throughput process, thereby saving time and money, but testing of a full - size prototype will not be done until 2003
阿基米德過濾法應該是個產量很高的過程，因而可以節省時間與金錢，但是供實地測試的原型機要到2003年才能製造出來。
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