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This application note considers the design of frequency- selective filters, which modify the frequency content and phase of input signals according to some specification. Two classes of frequency-selective digital filters are considered: infinite impulse response (IIR) and finite impulse response (FIR) filters. The design process consists of determining the coefficients of the IIR or FIR filters, which results in the desired magnitude and phase response being closely approximated.
標簽： application considers frequency the
上傳時間： 2013-12-07
上傳用戶：chfanjiang
This application note considers the design of frequency- selective filters, which modify the frequency content and phase of input signals according to some specification. Two classes of frequency-selective digital filters are considered: infinite impulse response (IIR) and finite impulse response (FIR) filters. The design process consists of determining the coefficients of the IIR or FIR filters, which results in the desired magnitude and phase response being closely approximated.
標簽： application considers frequency the
上傳時間： 2014-01-04
上傳用戶：ardager
to edit content and modify the database
標簽： database content modify edit
上傳時間： 2017-07-20
上傳用戶：aig85
Logic2007中文教程 PADS Logic功能，特點及使用教程 本教程描述了PADS Logic 的各種功能和特點、以及使用方法。這些功 能包括： 如何在PADS Logic 中使用工作區(qū)(Working Area)。 如何在PADS Logic 的元件庫中定義目標庫(Library)。 如何從庫中搜索有關(guān)的元件(Part)。 如何添加連線(Connection)、總線(Bus)、使用頁間連接符號 移動(Move)、拷貝(Copy)、刪除(Delete)和編輯(Edit)等操作方式(Mode)。 在設(shè)計數(shù)據(jù)編輯時使用查詢/修改(Query/modify)命令。 如何定義設(shè)計規(guī)則(Design Rules)。 如何建立網(wǎng)表(Netlist)和SPICE 格式網(wǎng)絡(luò)表以及材料清單(BOM)報
上傳時間： 2013-04-24
上傳用戶：zhaoq123
介紹一種基于C8051單片機的動態(tài)心電監(jiān)護系統(tǒng)。該系統(tǒng)由兩部分組成：以C8051F320單片機為核心的數(shù)據(jù)采集裝置和以PC機為平臺的分析處理系統(tǒng)。硬件電路功耗低，由單片機自帶的USB接口將數(shù)據(jù)傳送給PC機。軟件平臺采用LabVIEW可視化虛擬儀器系統(tǒng)開發(fā)平臺，將傳統(tǒng)儀器的功能模塊集成到計算機中，用戶可通過修改虛擬儀器的程序改變其功能。采用USB接口實時傳輸心電數(shù)據(jù)，并將數(shù)據(jù)采集模塊設(shè)計為計算機外設(shè)，使該系統(tǒng)高速快捷、小巧便攜。 Abstract: In this design，a low-cost ECG electrocardiogram monitoring system is introduced，which consists of two parts:data acquisition device based on C8051F320and PC terminal as the analysis and processing system.The system is low-power consumption，the data is transmitted to the PC terminal by USB interface of the C8051F320.By using the visible virtual instrument system developing platform LabVIEW，the traditional instruments function modules are integrated into the computer，so the user can modify virtual instrument software to change its function to meet their needs.Using USB in-terface to realize real-time ECG data transmission，in addition，ECG data acquisition module is designed as the computer peripheral，which makes the syetem high-speed and portable.
標簽： C8051F320 心電監(jiān)護 系統(tǒng)設(shè)計
上傳時間： 2013-11-13
上傳用戶：zhangzhenyu
介紹基于VHDL的微型打印機控制器的設(shè)計。論述了微型打印機的基本原理，以及實現(xiàn)控制器的VHDL語言設(shè)計。打印機的數(shù)據(jù)來自系統(tǒng)中的存儲模塊，根據(jù)需要控制打印。該微型打印機控制器可取代傳統(tǒng)的微型打印機,且抗干擾性好,可靠性高，具有較強的移植性，稍加改動就可應(yīng)用于不同場合。 Abstract: This paper introduced the design method of micro printer controller based on VHDL.The basic principles of microprinter is explained,as well as the realization of the controller by VHDL language.The printer data is from the system memory modules,can control printer.The design of microprinter controller has antigood and high reliability，it can replace the traditional printer.The controller has very good portability,and need little modify that can use in different situation.
上傳時間： 2013-11-03
上傳用戶：dudu1210004
USB接口控制器參考設(shè)計,xilinx提供VHDL代碼 usb xilinx vhdl ; This program is free software; you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the Free Software Foundation; either version 2 of the License, or ; (at your option) any later version. ; ; This program is distributed in the hope that it will be useful, ; but WITHOUT ANY WARRANTY; without even the implied warranty of ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ; GNU General Public License for more details. ; ; You should have received a copy of the GNU General Public License ; along with this program; if not, write to the Free Software ; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
上傳時間： 2013-10-12
上傳用戶：windgate
USB接口控制器參考設(shè)計,xilinx提供VHDL代碼 usb xilinx vhdl ; This program is free software; you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the Free Software Foundation; either version 2 of the License, or ; (at your option) any later version. ; ; This program is distributed in the hope that it will be useful, ; but WITHOUT ANY WARRANTY; without even the implied warranty of ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ; GNU General Public License for more details. ; ; You should have received a copy of the GNU General Public License ; along with this program; if not, write to the Free Software ; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
上傳時間： 2013-10-29
上傳用戶：zhouchang199
Filename: main.c * Description: A simple test program for the CRC implementations. * Notes: To test a different CRC standard, modify crc.h. * * * Copyright (c) 2000 by Michael Barr. This software is placed into * the public domain and may be used for any purpose. However, this * notice must not be changed or removed and no warranty is either * expressed or implied by its publication or distribution.
標簽： test implementations Description Filename
上傳時間： 2015-02-02
上傳用戶：leehom61
Copyright© 2004 Sergiu Dumitriu, Marta Gî rdea, Că tă lin Hriţ cu Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License" All brand names, product names, or trademarks belong to their respective holders.
標簽： Permission Copyright 259 Dumitriu
上傳時間： 2015-04-02
上傳用戶：jackgao
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