Narrowband-signal-doa

求微分方程通解 给出三元一次微分方程，求其通解的matlab程序(Differential equation is obtained)

This program describe a stimulation which is in Part 1: No-Relay Transmitted power. In part 2 Relay Transmitted Power (Two-hop transmission) and in Part 3: Plot the graph Simple Relay , No Relay , Optimum Power level

matlab数学手册，里面是这本书的word文件和源代码(Matlab mathematics is the book handbook, the word document and the source code)

PCA based program for face recognition / classification

绘制误码率与信噪比关系曲线，可以把gmsk、msk等一些调制解调技术的误码率和信噪比的关系曲线画出来(Plotting the error rate curve)

电力系统日负荷曲线分析GUI程序。考虑不同类别的用户，以及最大负载值、平均负载在指定的期间内的统计分析。(GUIof power system daily load curve analysis algorithm. Consider the different categories of users, and the maximum load value, the average load over a specified period of the statistical analysis.)

probability principle component analysis, using matlab to reduce the dimenission of data.

关于著名的sift算法的matlab实现(About the famous algorithm about sift)

经典的music同步代码，可用于3GLTE下行时频同步计算，很有用的资料额。。(a very commom synchronization method named as MUSIC,used for 3GLTE downlink timing and frequency sychronization ,it s useful.)

function dg=gplus(x,y,z,x1,x2,y1,y2,z1,z2,p) G=6.67e-11 t222=myfun(x,y,z,x2,y2,z2) t122=myfun(x,y,z,x1,y2,z2) t212=myfun(x,y,z,x2,y1,z2) t221=myfun(x,y,z,x2,y2,z1) t211=myfun(x,y,z,x2,y1,z1) t121=myfun(x,y,z,x1,y2,z1) t112=myfun(x,y,z,x1,y1,z2) t111=myfun(x,y,z,x1,y1,z1) dg=-G*p*1e6*(t222-t122-t212-t221+t211+t121+t112-t111) 转化为g.u. function y=myfun(x,y,z,xi,eta,zeta) R=sqrt((xi-x).^2+(eta-y).^2+(zeta-z).^2) temp1=(xi-x).*log((eta-y)+R) temp2=(eta-y).*log((xi-x)+R) temp3=(zeta-z).*atan((zeta-z).*R/((xi-x).*(eta-y))) 书中所给公式 temp3=-(zeta-z).*atan((xi-x).*(eta-y)./(zeta-z)./R) 上式变换 y=temp1+temp2+temp3 (function dg = gplus (x, y, z, x1, x2, y1, y2, z1, z2, p) G = 6.67e-11 t222 = myfun (x, y, z, x2, y2, z2) t122 = myfun (x, y, z, x1, y2, z2) t212 = myfun (x, y, z, x2, y1, z2) t221 = myfun (x, y, z, x2, y2, z1) t211 = myfun (x, y, z, x2, y1, z1) t121 = myfun (x, y, z, x1, y2, z1) t112 = myfun (x, y, z, x1, y1, z2) t111 = myfun (x, y, z, x1, y1, z1) dg =-G* p* 1e6* (t222-t122-t212-t221+t211+t121+t112-t111) converted the Gu function y = myfun, (x y, z, xi, eta, zeta) R = sqrt ((xi-x). ^ 2+ (eta-y). ^ 2+ (zeta-z). ^ 2) temp1 = (xi-x).* log ((eta-y)+R) temp2 = (eta-y).* log ((xi-x)+R) temp3 = (zeta-z).* atan ((zeta-z).* R/( (xi-x).* (eta-y))) book given formula Temp3 =- (Zeta-z)* ATAN ((Xi-X)* (ETA-y)/(Zeta- Z)/R) the above formula transform Y = temp1+temp2+temp3 )