urebh

sap 的abap编程 实现alv的多层输出 调用系统方法-alv abap programming sap of the multi-output system, method calls

Control para codigos de barra, muy util para sistemas de inventario.

可以编辑的msflexgrid的VB源码，密码为peng-can edit the msflexgrid VB source code, passwords peng

在SD卡上实现FAT32文件系统，C实现，可程序结构清晰，简单易懂。里面还有一篇介绍FAT32文件系统的文档，学习代码之前，请耐心将pdf文档研读一遍，这样能达到事半功倍的效果(mplemented on the SD card FAT32 file system, C realized, program structure clear, simple and understandable. There is also a description of the document FAT32 file system, learning code, please be patient to read pdf documents again, so to achieve a multiplier effect。)

[计算机科学经典着作].Programming.Pearls.pdf.zip 编程珠玑(Programming.Pearls PDF)

说明：  交错网格有限差分正演,PML边界条件，matlab仿真(forward numerical with stagger grid PML)

说明：  酒店管理，下载解压就可以，不是源码，是已经做好的成品压缩文件(Hotel management, download and decompress, not source code, but finished product compressed file)

说明：  针对已知多频率正弦信号的频谱，设计相应的FIR滤波器(凯塞窗函数法设计低通,高通，带通滤波器，分别提取信号并绘制频域和时域曲线)按要求进行滤波。 根据已知滤波器的性能指标设计IIR数字滤波器(双线性变换法设计巴特沃斯低通IIR数字滤波器)，并对心电图信号进行滤波处理；(For known more frequency sinusoidal signal spectrum, to design the corresponding FIR filter (Kaiser window function method of designing low-pass, high-pass, band-pass filter, respectively, to extract the signal curve) and draw the frequency domain and time domain filtering according to the known filter in accordance with requirements of performance index design of IIR digital filter (bilinear transformation method to design butterworth low-pass IIR digital filter), and to filter the ecg signal)

使用 SQL 合计函数 你可以确定数据组的各种统计。你可以把这些函数用于查询和合计表达式，条件是在具备 SQL特性的 QueryDef对象中或在创建基于SQL查询的 Recordset对象时-You use the SQL aggregate functions to determine various statistical data sets. You can put these functions together for query and expression, on the condition that the availability of SQL characteristics QueryDef object or create a SQL query based on the Recordset object

DSP28335芯片通用输入输出模块案例程序(some case codes about GPIO of DSP28335)