How to count the total interruption?

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vimal kumar chawda
vimal kumar chawda 2020-4-30
回答： KSSV 2020-5-1
figure(1)
plot(a,b,'r*','Markersize',1);
xlabel('Epoch')
ylabel('PRN')
title('Satellite Visibility from Javed Receiver 1');
Hello
I have plot a signal in which i am getting some interruption. Plot is of total number of visible satellite on y-axis and total number of epoch on x-axis. So I am getting graph as attached.
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Adam Danz
Adam Danz 2020-4-30
The variables you're plotting are 'a' and 'b'. Check for NaN values in both using isnan().
vimal kumar chawda
vimal kumar chawda 2020-5-1
There is no gap or NaN in the data so it is difficult plot it.
How can I do it and please find the attachement of a and b ? I think you are giving my right direction and I am not able to fidure it out.

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回答（1 个）

KSSV
KSSV 2020-5-1
There are no NaN's in the data. To get the breaks/ interruption you can get the successuve distances and find the ditances which are greater then the resolution.
a, b are your point arrays.
da = diff(a) ;
db = diff(b) ;
d = sqrt(da.^2+db.^2) ;
iwant = nnz(d>1) ; % I assume if the points are continuous the distance should be 1.

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