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Question
false negative and false positive ?
how to write false negative and false positive code for random signal
environ 10 ans il y a | 1 réponse | 0
0
réponseQuestion
How to choose Threshold when Add AWGN to signal
Hello, sir, I am adding AWGN noise to my Random signal but when I add it I also need to change my threshold value for the signa...
environ 10 ans il y a | 1 réponse | 0
1
réponseQuestion
how can we calculate false positive and false negative for signal ? can any one provide me matlab code ?
if signal recovered its false negative and if signal is not recovered its false positive what i know that for ii=1:length(X_...
environ 10 ans il y a | 1 réponse | 0
0
réponseQuestion
hello sir i am writing one equation in matalb but i am facing problem in it when i write that equation it give me wrong answer can anyone help me to write that equations for me
i am solving nonlinear equation but i am facing problem in these equation can anyone help me to write that equations for me i ha...
environ 10 ans il y a | 1 réponse | 0
0
réponseQuestion
hello sir i want to plot digram for SNR Vs false negative and positive ..
i am confused how to write matlab code for false negative and false positive can anyone provide me the matlab code for false neg...
environ 10 ans il y a | 1 réponse | 0
0
réponseQuestion
subscript indices must either be real positive integers or logicals( X_re(k_r)=XD(1,kd); can anyone help me why i am getting this error
clc clear all N=1024; tic; k=50; d=28; aa=6; b=10; a=3; X=zeros(1,N); % xp_unsolved2=[]; % X_p=randperm(N,k); % X_v...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
Undefined operator '^' for input arguments of type 'cell'.
c0=1; c1=2; c3=4; A={((c0/2)-(c1*c2/6)+(c2^3/27))-[(c0/2)-(c1*c2/6)+((c2^3/27)^2)+(c1/3-c2^2)^3]^1/2}^1/3; i am ge...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
hello sir can any one give me a matlab code of moment preserving problem of tsai .
i want to use it for my assignment
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
hello sir i have three different graph from three different code i want to get one performance graph ho i will do that ?
i have try save(filename) this syntax of Matlab but its not working in my case can you tell me which is the better way to plot t...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
Subscript indices must either be real positive integers or logicals.
k_est=k_p(bb,:); XF_est=xf(bb).XF; num_2=num_2+1; kkk2(num_2,:)=k_est; for iii=1:length(k_es...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
hello sir i want real values but when i write my function in matlab s(ii)==real (s(ii)); it give me complex value how to solve it
ii=1:2; s(ii)=real(s(ii)); s(ii)=round(log(z(ii))*N/j/2/pi)+1; this is my short function please guide me where i a...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
The signal-to-noise ratio must be a real scalar?
i get this answer when my SNR is Vector.i want to plot SNR for [5,10,15,20,25,30,35,40,35,50] but when i write in vector form i ...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
hello sir i want to find a nonzero number in my total error signal ?
my original signal is X and my Recovered signal is X_re and the total Error which i count between them is Error=X-X_re; now i h...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
snr vs recover signal
for snr_num=1:9; snr=snr_num*5+5; for exp_num=1:100; Sir i want to plot snr for my recover signal and i want ...
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
hello sir i want to ask question about threshold value how we will choose a threshold value for a random signal? for example i have random signal N=1024 and K=20 for my sparse signal i want to calculate the threshold values ?
i am downsampling my signal and i take fft of my downsampling signal after that i want to select the appropriate threshold value...
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
hello sir i am calculating mean square for my two signals but its giving me constant mean square error..?
clc clear all N=1024; k=8; d=16; a=1; b=5; X=zeros(1,N); X_p=randperm(N,k); X_v1=rand(1,k); X_v...
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
hello sir i want to calculate mean square error for my all possible value for the system how to calculate it ?
k0=1; ss=[0,1,2,3]; kk=0; poss=[]; for ii=1:d poss=[poss,k0+(ii-1)*(N/d)]; end for ii=1:length(poss) k1=...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
i am solving over-determined system but when i run my code its give me result inner dimension mismatch how to solve it
l=0:28 N=28 for k=1:7 k1=k+(n*7); k2=k+(n*7); M=[1 1 ; e^(j*2*3.14)*(k1-1)*(l/N) e^(j*2*3.14)*(k2-1)*(l/N) ...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
how we will do bucktization in matlab anyone have a code of bucketization process in matlab so please send me ?
i want to do bucketization after downsampling and the solve that system.i am looking forward for your help
plus de 10 ans il y a | 1 réponse | 0
