Carrier_AZSPWM

synusoidal tone from input signal

能对采集到的信号进行小波分解重构，从而进行进一步的分析(The collected signal can be decomposed and reconstructed by wavelet transform, so as to make further analysis.)

搭建永磁同步电机的直接转矩控制仿真模型 1，实测电流经过3/2变换得到alpha-beta轴上的电流； 2，估计模块中包含定子磁链和电磁转矩的估算，其中，定子磁链观测是采用基于转子位置和定子电流的磁链估计，电磁转矩直接在alpha-beta轴上计算； 3，转速调节模块和转矩调节模块直接采用PI调节器； 4，预期电压矢量估计模块，根据k时刻的磁链幅值与相位和k+1时刻的磁链幅值和相位计算出来的； 5，SVMPWM是空间电压矢量调制模块，实现空间任意角度任意大小的电压矢量，从而控制磁链轨迹近似为圆型； 6，逆变器模块和电机模块均采用系统自带的；(Build a permanent magnet synchronous motor direct torque control simulation model, the measured current after 3/2 transform the current alpha-beta axis estimated module included in the estimation of the stator flux and the electromagnetic torque, stator flux chain observation is based on the position of the rotor and the stator current flux estimates, the electromagnetic torque directly in the alpha-beta axis 3 speed controller module and torque adjustment module directly using the PI regulator expected voltage vector estimation module , calculated according to the time k flux amplitude the phase and k+1 time flux amplitude and phase 5, SVMPWM the space voltage vector modulation module voltage vector space at any angle of any size, thereby controlling the flux path approximate round inverter module and motor module system comes )

explains OFDM transmitter AM/PM effect at 64QAM signals

a leach program for energy efficient network

差分程函方程，得到简单的地震传播的时间场分布(The difference equation is used to get the time field distribution of simple seismic propagation.)

OMAPL138 外设使用经典例程，包括串口和网卡底层接收发送数据包检测工程(OMAPL138 peripherals use the classic routines, including the serial port and network card the underlying receiver to send data packet inspection works)

说明：  对于stm32系列中内核为core1和core3无法进行浮点运算，官方给出了一个用于计算fft的库，其中包括256点，512点和1024点。(For the kernel in the stm32 series, core1 and core3 cannot perform floating-point operations. The official library is given for calculating fft, including 256 points, 512 points and 1024 points.)

CS-MIMO雷达参数估计，这个主要是单基地MIMO雷达的例子(CS-MIMO radar parameter estimation, this is a major example of monostatic MIMO radar)

Copyright (c) 2007, Madhu S. Nair All rights reserved