71 lines
2.0 KiB
Matlab
71 lines
2.0 KiB
Matlab
%%************************【判断干扰类型函数】****************************%%
|
||
%%=============================参数说明===================================%%
|
||
% J: 检测出来的干扰点集合
|
||
%Type: 干扰类型
|
||
%%========================================================================%%
|
||
function Type = JudgeTypeJam(J)
|
||
J = sort(J,'ascend');
|
||
len_J = length(J);
|
||
c1 = 1;
|
||
band = cell(0,0);
|
||
mono_d = cell(0,0);
|
||
mono = [];
|
||
if len_J == 0
|
||
Type = 'No jam';
|
||
elseif len_J <= 3 %&& len_J > 0 %% 检测点数小于3，判断是离散还是连续（单音或者多音）
|
||
if len_J == 1
|
||
Type = 'mono';
|
||
else
|
||
if len_J == 2
|
||
if J(2)-J(1) == 1
|
||
Type = 'mono';
|
||
else
|
||
Type = 'multi';
|
||
end
|
||
else
|
||
if J(3) - J(1) == 2
|
||
Type = 'mono';
|
||
else
|
||
Type = 'multi';
|
||
end
|
||
end
|
||
end
|
||
else
|
||
while c1 < len_J
|
||
c2 = 0;
|
||
while (c1 + c2 + 1 <= len_J && J(c1) + c2 + 1== J(c1 + c2 + 1))
|
||
c2 = c2 + 1;
|
||
end
|
||
if(c2 > 2)
|
||
band = [band;(J(c1:1:c1+c2))]; %% 连续点超过3，记为频带干扰
|
||
end
|
||
if (c2 == 2 || c2 == 1)
|
||
mono_d = [mono_d;(J(c1:1:c1+c2))]; %% 频谱扩散的单音
|
||
end
|
||
if c2 == 0
|
||
mono = [mono,J(c1)];
|
||
end
|
||
c1 = c1 + c2 +1;
|
||
if c1 == len_J && J(len_J-1) + 1 ~= J(len_J)
|
||
mono = [mono,J(len_J)];
|
||
end
|
||
end
|
||
num_band = numel(band);
|
||
num_mono_d = numel(mono_d);
|
||
num_mono = length(mono);
|
||
num_multi = num_mono + num_mono_d;
|
||
if num_band ~= 0
|
||
if num_multi == 0
|
||
Type = 'band';
|
||
else
|
||
if num_multi >1
|
||
Type = 'band_multi';
|
||
else
|
||
Type = 'band_mono';
|
||
end
|
||
end
|
||
else
|
||
Type = 'multi';
|
||
end
|
||
end
|
||
%% end |