Signal

： 讨论了一种采用 D S P芯片T MS 3 2 0 L F 2 4 0 7实现无传感器永磁同步电机转子磁场定向矢量控制的方案， 介 绍了永磁同步电机的数学模型和矢量控制的基本原理， 给出了在无位置传感器的情况下电机转子位置信号的确定 方法， 采用i ， = 0的对凸极式转子磁路结构的无传感器永磁同步电动机的控制方法， 说明采用高速数字信号处理器 易于实现复杂的矢量控制算法， 可以有效地解决电机的强耦合特性．(： A s o l u t i o n t o c o n t r o l a p e r ma n e n t ma g n e t s y n c h r o n o u s m o t o r ( P MS M)o f s e n s o r l e s s u s i n g t h e TM$ 3 2 0LF 2 40 7 i S d i s c u s s e d． A br i e f i n t r o d u c t i o n o f t h e ma t h e ma t i c mo d e l a n d t he v e c t o r c o n t r o l o f PMS M i s p r e s e n t e d，a n d t h e me t h o d o f a s c e r t a i n i n g t h e r o t o r p o s i t i o n u nd e r t h e c i r c u ms t a n c e o f s p e e d s e n s o r l e s s i s a l s o me n t i o n e d．Th e c o n t r o l me t h o d o f i d 0 o n s a l i e n t p o l e PMSM wh i c h i s s e n s or l e s s i s p ut f o r wa r d，wh i c h s h o ws t h a t i f we us e t h e d i g i t a l s i g n a l p r o c e s s o r we c a n ma k e t h e c o mpl i c a t e d v e c t o r c o n— t r o l a r i t h me t i c c o me t r u e e a s i l y，a n)

说明：  Построение ROI изображения

rsoft教程，有关分支波导的仿真，希望对大家有用。(rsoft tutorial about branch waveguide simulation, and hope to be useful.)

用matlab编写的Gabor滤波器，得虚部和实部(Matlab prepared by the Gabor filter, imaginary part and real part)

binary to decimal converter

说明：  引入错误报告概率对协作检测的影响仿真程序(Influence Of Wrong Report In Cognitive Radio)

matlab GUI 练习之作，用以演示矩形窗及其频谱的图形，通过改变参数，及时显示二者之间的关系。(The MATLAB GUI exercises to make, to demo rectangular window spectrum graphics, by changing the parameters, the relationship between the two in a timely manner.)

levenberg marquette method predictor.

利用经典MUSIC算法及MMUSIC算法估计波达方向，绝对可运行！程序没错误！(Using the classical MUSIC algorithm and MMUSIC algorithm to estimate DOA, absolutely can run! Program did not wrong!)

说明：  SIMULATION AND IMPLEMENTATION OF TWOLEVEL AND THREE-LEVEL INVERTERS BY MATLAB AND RT-LAB