s1.time = [240x1 double]
s1.a.b.c = [240x3 double]
s1.a.b.d = [240x3 double]
s2.time = [120x1 double]
s2.a.b.c = [120x3 double]
s2.a.b.d = [120x3 double]
function [ out ] = Concatenate_3rd_level_structs( in , timename)
fieldsL1 = fieldnames(in);
out = in(1);
for i = 2:length(in)
for j = 1:length(fieldsL1)
if strcmp(fieldsL1{j},timename)
out.(timename) = [out.(timename); in(i).(timename)+out.(timename)(end)+out.(timename)(2)];
else
if isstruct(in(i).(fieldsL1{j}))
fieldsL2 = fieldnames(in(i).(fieldsL1{j}));
else
fieldsL2 = [];
end
if ~isempty(fieldsL2)
for jj = 1:length(fieldsL2)
if isstruct(in(i).(fieldsL1{j}).(fieldsL2{jj}))
fieldsL3 = fieldnames(in(i).(fieldsL1{j}).(fieldsL2{jj}));
else
fieldsL3 = [];
end
if ~isempty(fieldsL3)
for jjj = 1:length(fieldsL3)
out.(fieldsL1{j}).(fieldsL2{jj}).(fieldsL3{jjj}) = ...
[ out.(fieldsL1{j}).(fieldsL2{jj}).(fieldsL3{jjj}); in(i).(fieldsL1{j}).(fieldsL2{jj}).(fieldsL3{jjj})];
end
else
out.(fieldsL1{j}).(fieldsL2{jj}) = [out.(fieldsL1{j}).(fieldsL2{jj}); in(i).(fieldsL1{j}).(fieldsL2{jj})] ;
end
end
else
out.(fieldsL1{j}) = [out.(fieldsL1{j}); in(i).(fieldsL1{j})] ;
end
end
end
end
end