<abbr id="auika"></abbr> 基于通用集成運算放大器，利用MASON公式設計了一個多功能二階通用濾波器，能同時或分別實現低通、高通和帶通濾波，也能設計成一個正交振蕩器。電路的極點頻率和品質因數能夠獨立、精確地調節。電路使用4個集成運放、2個電容和11個電阻，所有集成運放的反相端虛地。利用計算機仿真電路的通用濾波功能、極點頻率和品質因數的獨立控制和正交正弦振蕩，從而證明該濾波器正確有效。 Abstract: A new multifunctional second-order filter based on OPs was presented by MASON formula. Functions， such as high-pass， band-pass， low-pass filtering， can be realized respectively and simultaneously， and can become a quadrature oscillator by modifying resistance ratio. Its pole angular frequency and quality factor can be tuned accurately and independently. The circuit presented contains four OPs， two capacitors， and eleven resistances， and inverting input of all OPs is virtual ground. Its general filtering， the independent control of pole frequency and quality factor and quadrature sinusoidal oscillation were simulated by computer， and the result shows that the presented circuit is valid and effective.
上傳時間： 2013-10-09
上傳用戶：13788529953
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ** RELEASE NOTES *** *** *** *** ***** *** *** *** *** *** *** *** *** *** *** *** *** *** 1) RELEASE NOTES: --- --- ---- The release notes are now provided in PDF format in the file: \SOFTWARE\uCOS-II\DOC\RelV251.PDF 2) FEATURES SINCE V2.00: --- --- --- ----- All the features added since V2.00 are described in the PDF file: \SOFTWARE\uCOS-II\DOC\NewV251.PDF 3) EVENT FLAGS: -------------- Event Flags are discussed in AN-1007 (see www.Micrium.com/app_notes.htm) 4) QUICK REFERENCE CHART: ------------------------ A Quick Reference Chart for all the functions in V2.51 is provided in the following .PDF files: \SOFTWARE\uCOS-II\DOC\QuickRefChartV251-Color.PDF Once printed, simply FOLD the page in half and if you have a LAMINATION machine, you can protect the chart by laminating it.
上傳時間： 2015-04-06
上傳用戶：zq70996813
這是最難的一個程序了，算法是運籌學里的branch band的集裝箱問題的最優動態規劃解法，當年我的頭都大了才實現的，絕得數學加實踐的程序
標簽： 程序
上傳時間： 2015-04-22
上傳用戶：731140412
ALTERA NIOS處理器實驗，QUARTUS下用VHDL編譯成處理器，自動band跟蹤小程序
上傳時間： 2015-04-24
上傳用戶：ayfeixiao
computes the eigenvalues of a symmetric tridiagonal * matrix T. The user may ask for all eigenvalues, all eigenvalues in the half-open interval (VL, VU], or the IL-th through IU-th eigenvalues.
標簽： T. eigenvalues tridiagonal eigenvalue
上傳時間： 2014-01-21
上傳用戶：CSUSheep
This m-file simulates MPSK (theoretical and simulated) with Gray coding This m-file simulates MPSK (BPSK,QPSK,8PSK)with theoretical and simulated results using Gray coding. Numerical examples of a satellite link design are shown using QPSK and/or 8PSK when the bit rate(Rb)is greater than the channel bandwidth Wc (Band-limited channel).
標簽： simulates m-file This MPSK
上傳時間： 2014-01-11
上傳用戶：372825274
In this paper, we provide an overview of the security concerns introduced by wireless LANs, current approaches to wireless LAN security, their limitations, and the weaknesses of various “band aid” security solutions. We conclude by describing how the ReefEdge Connect System provides a comprehensive solution to wireless LAN security.
標簽： introduced overview concerns security
上傳時間： 2015-11-02
上傳用戶：凌云御清風
Multivac 的Level set包，包括 narrow band level set方法和fast marching方法的全部源代碼。
上傳時間： 2015-12-02
上傳用戶：teddysha
The Rayleigh Integral Method is useful in computing the acoustic properties of a flat panel radiating into a half space.
標簽： properties computing Rayleigh Integral
上傳時間： 2015-12-07
上傳用戶：youmo81
Linux內核進程管理 1、linux進程管理的模塊組織框架 2、相關數據結構。 3、進程調度原則，調度算法,。 4、進程的創建和運行管理。 5、進程間通訊。 6、更多的技術 進程調度和中斷處理交接 進程管理涉及的內核機制：bottom-half處理，等待隊列 Linux/SMP的進程管理和調度技術 7、概述2.4的新特點
上傳時間： 2013-12-29
上傳用戶：ZJX5201314
