underwater-acoustic-channel-modeling

ABB变频器的资料，是ＡＣＳ８００的，非常实用，在工控调速领域都能用上．(ABB Inverter information ACS800 very practical in the field of industrial control speed can use.)

说明：  SD卡的SPI方式驱动，SPI方式简单速度也可以，很多处理器都有SPI功能，没有也可模拟。(SD card SPI mode driver, SPI is simple speed can, many processors have the SPI function, does not and can simulate.)

QNMVD100系列高压变频器的使用说明手册。本产品的技术方案采用串桥级联多电平逆变器的主电路拓扑结构。高压变频器通过移相隔离变压器将三相6kV高压交流电，变换成3×5组错相的三相690V低压交流电，分别经功率单元整流、逆变、串联叠加形成0~6kV、0~50Hz的交流电压输出至异步电动机(QNMVD100 series of high-voltage inverter)

三相桥式整流电路三相桥式全控整流电路图是应用最为广泛的整流电路，其电路图如下(let me in)

double in pu z source inverter amterea

wave forms of sofc for differnt temperature s

新的H桥驱动电路，可有效阻止同侧同时导通。包含Proteus模拟电路及演示用C源程序。场效应管构成的H桥，亦可更换成普通三极管。(The new H-bridge driver circuit, which can effectively prevent the same side at the same time turn-on. Contains Proteus analog circuit and presentation with C source code. FET H-bridge composed of ordinary transistor can also be replaced.)

很好的硕士论文，学习相控阵技术的重要资料。(Good master thesis, learn important information of phased array technology.)

扩频通信系统仿真指导文章，包含系统知识及仿真设计，各参数，可指导毕业设计(Spread spectrum communication system simulation guidance article, including system knowledge and simulation design, the parameters can guide the graduation design)

适用于音频过采样DAC的插值滤波器的设计 一种通用便携式数字音频系统sigma-delta DAC中的插值滤波器。(Over-sampling DAC for audio interpolation filter design a general-purpose portable digital audio systems in the sigma-delta DAC interpolation filter.)