基于matlab的频率响应分析,基于MATLAB/GUI的二阶低通电路频率响应分析与仿真
第 34 卷 第 5 期 2011 年 10 月 電 子 器 件 Chinese Journal of Electron Devices Vol. 34 No. 5 Oct. 2011 項(xiàng)目來(lái)源: 基本電路的分析與綜合實(shí)時(shí)演示系統(tǒng)( ndkf0908) 收稿日期:2011-04-19 修改日期:2011-05-12 Analysing and Simulating Frequency Response of Second-Order Low-Pass Circuit Using Matlab/GUI* NA Chunning* ( School of Physics and Electrical Information Science,Ningxia University,Yinchuan 750021,China) Abstract: The second-order low-pass circuit is a kind of dynamic circuit. After the parameters or the circuit struc-tures have changed,the output response will chang promptly. The frequency characteristics was analysed by using MATLAB/GUI. The Circuit rule can be displayed,thus through observation and comparison,the students can further understand and grasp the circuit law. In simulating process the teacher may change the parameters directly,then the response waveform will be displayed on the computer. The simulation result shows that the analysis only occupied a very small memory block. The basic circuit law can be analyzed and illustrated in real-time. Key words: second-order low-pass circuit; frequency response; simulating; Matlab/GUI EEACC:1130 doi:10. 3969/j. issn. 1005-9490. 2011. 05. 018 基于 MATLAB/GUI 的二階低通電路頻率響應(yīng)分析與仿真* 納春寧* ( 寧夏大學(xué)物理電氣信息學(xué)院,銀川 750021) 摘 要: 二階低通電路屬于動(dòng)態(tài)電路。由于參數(shù)或電路結(jié)構(gòu)的改變其響應(yīng)也會(huì)發(fā)生相應(yīng)的改變。利用 MATLAB/GUI( 圖形用戶(hù)界面) 分析其頻率特性能夠通過(guò)圖形用戶(hù)界面動(dòng)態(tài)演示電路規(guī)律,通過(guò)觀察和比較,學(xué)生可以加深對(duì)電路規(guī)律的理解和掌握。在仿真中,教師可以對(duì)電路所涉及的參數(shù)直接修改,由計(jì)算機(jī)實(shí)時(shí)顯示出該電路的響應(yīng)波形。仿真結(jié)果表明,該分析方法占用的內(nèi)存很小,能夠?qū)崟r(shí)分析和演示基本電路規(guī)律。 關(guān)鍵詞: 二階低通電路; 頻率響應(yīng); 仿真; MATLAB/GUI 中圖分類(lèi)號(hào): TN915 文獻(xiàn)標(biāo)識(shí)碼: A 文章編號(hào):1005-9490(
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