Ultrasonic Distance Measurement circuit all pins are detailed

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噪声对室内听觉距离感知的影响研究.rar-Auditory distance perception of indoor noise impact study. Rar

FAT32文件格式简介。对FAT32文件格式做了一个初步的介绍，使读者能真了解FAT32文件格式的原理。-About FAT32 file format. FAT32 file format made for an initial introduction, so that the reader can genuinely understand the principle of FAT32 file format.

DAB Channel Decoder Implementation Using FPGA and Its Testing Platform Buildup

Java对Excel,word的操作原码，初学java的可以学习一下-Java right Excel, word of the original operating code, java novice can learn about the

* 高斯列主元素消去法求解矩阵方程AX=B,其中A是N*N的矩阵,B是N*M矩阵 * 输入: n----方阵A的行数 * a----矩阵A * m----矩阵B的列数 * b----矩阵B * 输出: det----矩阵A的行列式值 * a----A消元后的上三角矩阵 * b----矩阵方程的解X -out the main elements of Gaussian elimination method for solving matrix equations AX = B, where A is N* N matrix, B is N* M matrix* Input : n---- A phalanx of a few-a matrix* A* m-matrix shown in a few B* b---- Matrix B* output : det-A matrix of a determinant value---- A* Elimination of upper triangular matrix* b---- Matrix The X-Solutions

采样率小于一个连续时间信号最大频率的2倍时就叫undersampling，欠采样，根据抽样定理，当fs>=2fmax，也就是oversampling，过采样时，数字信号才能重建成原来的模拟信号，欠采样重建会发生混叠-Sampling rate of a continuous-time signal is less than the maximum frequency of 2 times is called undersampling, bandpass sampling, according to sampling theorem, when fs

CANopen 协议介绍流行欧洲的CAN-bus高层协议-CANopen protocol introduce popular in Europe high-level CAN-bus protocol

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此源码是在linux下连接ODBC的源码，请参考！-This source code is in the ODBC connection under linux source, please refer to!