fk3c-master

深海大洋，犹如浩渺宇宙，永远是神奇的远方美景！ 祝愿好奇诸君能够走进深蓝！BELLHOP 3D 是一扇小小的窗！ 在此感谢包（青华）老师、林（俊轩）老师、惠（俊英）老师的指导，也感谢吴老师、张老师的提醒！尤其感谢Michael B. Porter 对 BELLHOP 3D近40年孜孜不倦的探索！感谢国际科学社区对三维海洋传播声学永远的支持！更感谢由 Free Software 凝聚起来的全球自由科学家社区！(The deep ocean, like the vast universe, is always a magical distant beauty! I wish you all the curious gentlemen can go into the dark blue! uuuuuuuuuuu BELLHOP 3D is a small window! Thank you, Mr. Bao (Qinghua), Mr. Lin (Junxuan), Mr. Hui (Junying), for your guidance. Thank you, Mr. Wu and Mr. Zhang for their reminders. In particular, thanks to Michael B. Porter for his tireless exploration of BELLHOP 3D for nearly 40 years! Thank you for the support of the international scientific community for the three-dimensional ocean propagation acoustics forever! Thank you even more for the Free Software community of free scientists around the globe!)

实现QAM调制功能和QAM解调功能的代码.(Realize QAM modulation function and QAM demodulation function code.)

说明：  通过加截特殊字符，自定义LED字体效果，内附LED字体文件，可直接运行(Custom LED font effect)

说明：  ZVS zero voltage switching circuit schematic diagram

说明：  该文件为基于DSP的变压变频电源设计，大家可以参考一下(This document is based on DSP variable voltage and frequency power supply design, you can refer to it.)

试验是结束后，计算上升曲线与下降曲线之间的偏差，并将计算结果显示出来(At the end of the test, the deviation between the ascending curve and the descending curve is calculated and the results are shown.)

说明：  上传代码为猴群算法的基础源代码，分了主函数和爬过程、望过程、和空翻过程。(Is the source code of the monkey group algorithm.)

UPC1270H.PDF 功能强大的功放驱动IC,可容易组装DIY功放.(UPC1270H.PDF)

安卓Android ListView用法实例附源码，了解一下如何在Android应用客户端程序中使用ListView列表控件，比较基础的Android开发技巧。

一:需求分析 1．本程序需掌握树和二叉树的概念及工作原理，运用其原理及概念完成实验.。 2．问题描述： 一个逻辑表达式如果对于其变元的任一种取值都为真，则称为重言式；反之，如果对于其变元的任一种取值都为假，则称为矛盾式；然而，更多的情况下，既非重言式，也非矛盾式。试写一程序，通过真值表判断一个逻辑表达式属于那一类。 3．基本要求： （1）逻辑表达式从终端输入，长度不超过一行。逻辑运算符包括“|”，“&”和“~”, 分别表示或、与和非，运算优先程度递增，但可以有括号改变，即括号内的运算优先。逻辑变元为大写字母。表达式中任何地方都可以含有多个空格符。 （2）若是重言式或矛盾式，可以只“显示True forever”或“False forever”，否则显示“Satisfactible”以及变量名序列，与用户交互。若用户对表达式中变元取一组值，程序就求出并显示逻辑表达式的值。 -1 : a needs analysis. The process required the trees and the binary tree master the concept and principle, to use its principles and the concept of completion of the pilot. . 2. Problem description : If a logical expression for the changes in the yuan"s value for a true, as tautology; Instead, If the changes for the yuan"s value for a fake, then called the contradiction; However, the more the situation, neither tautology. is not a contradiction. Try to write a procedure for the adoption of a truth table judgment logical expression belong into that category. 3. Basic requiremen