数字示波器 可以自动获取捕捉正弦波 余弦波 三角波 方波 锯齿波等 各种波形 并自动转化为数字形式在LED屏幕上显示...

（1） 熟悉连续信号经理想采样前后的频谱变化关系，加深对时域采样定理的理解． （2） 熟悉时域离散系统的时域特性 （3） 利用卷积方法观察分析系统的时域特性． （4） 掌握序列傅立叶变换的计算机实现方法，利用序列的傅立叶变换对连续信号，离散信号及系统响应进行频域分析． -(1) familiar with the continuous signal to the manager before and after the sampling of the spectrum changes relations and deepen the time-domain sampling theorem understanding. (2) familiar with the time-domain system discrete time-domain (3) using deconvolution method of analysis in time domain characteristics. (4) master sequence Fourier Transform computer, using the Fourier transform sequence of continuous signals, Discrete signal system response and frequency domain analysis.

应用背景基于Qt的数据管理系统，对Qt的数据库进行了一次应用，对于Qt初学者学习开发数据库等技术有较强学习价值。。。。。。。关键技术setFixedSize(750, 500); ui->stackedWidget->setCurrentIndex(0); QSqlQueryModel *typeModel = new QSqlQueryModel(this); typeModel->setQuery("select name from type"); ui->sellTypeComboBox->setModel(typeModel); QSplitter *splitter = new QSplitter(ui->managePage); splitter->resize(700, 360); splitter->move(0, 50); splitter->addWidget(ui->toolBox); splitter->addWidget(ui->dailyList); splitter->setStretchFactor(0, 1); splitter->setStretchFactor(1, 1); on_sellCancelBtn_clicked(); showDailyList(); ui->typeComboBox->setModel(typeModel); createChartModelView();

手机游戏中使用jsr184中的光线检测实现碰撞检测的demo-mobile games jsr184 use of light detection achieve the collision detection demo

LabVIEW实现对光谱数据的动态测量，这里是对不稳定的光谱数据进行动态测量-LabVIEW realize the dynamic measurement of spectral data, here is the unstable dynamic measurement of spectral data

for wince freecsale i.mx21 pwm driver

C_NQueens Ask not what your country can do for you Ask what you can do for your country. -C_NQueens Ask not what your country can do f or you Ask what you can do for your country.

用VB写的一款小游戏，方式就像打地鼠一样，分级别速度。-Written with VB a little game to play like a hamster the same way, sub-level of speed.

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wince下用evc4.0开发的俄罗斯方块游戏，使用于新x86平台。-wince under development with evc4.0 Tetris game, for use in the new x86 platform.

实现摄影测量中空间后方交会的问题，用以求得像片的内外方位元素-To achieve space resection in photogrammetry issues photograph to obtain the internal and external orientation elements