unnecessary file deletion

matlab/tfgm/tf_tools/gabormultiplier/compute_ambiguity_function.m

-function x = compute_ambiguity_function(x, dgt ,apply_fftshift)
-%% x = compute_ambiguity_function(x, dgt ,fftshift_)
-% is used to compute the ambiguity function.
-%
-% Inputs:
-%     - x : vector
-%     - dgt : Gabor transform operator
-%     -apply_fftshift: Boolean
-%
-%Author: Marina KREME
-%%
-
-switch apply_fftshift
-    
-    case 'True'
-        x = dgt(fftshift(x));
-        
-    case 'False'
-        x = dgt(x);
-    otherwise
-        fprintf('Incorrect value fftshift_\n')
-        
-end
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matlab/tfgm/tf_tools/gabormultiplier/gen_gabmul_operator.m

-function [gabmul_op, varargout] = gen_gabmul_operator(dgt, idgt, mask)
-%% GEN_GABMUL_OPERATOR computes a Gabor multiplier
-% [gabmul_op, varargout] = gen_gabmul_operator(dgt, idgt, mask)
-%
-% Inputs:
-%     - dgt: Gabor transform operator
-%     - idgt: inverse Gabor  transform operator
-%     - mask: binary known mask
-% Output:
-%     - gabmul_op: gabor multiplier- handle function
-%
-% Author : A. Marina KREME
-% e-mail : ama-marina.kreme@lis-lab.fr/ama-marina.kreme@univ-amu.fr
-% Created: 2020-28-01
-%%
-
- 
-
-gabmul_op = @(x)idgt(mask.*dgt(x));
-varargout{1} = mask;
-
-
-end
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matlab/tfgm/tf_tools/gabormultiplier/generate_rectangular_mask.m

-function mask = generate_rectangular_mask(nbins, hop, sig_len, t_lim, f_lim)
-%% GENERATE_RECTANGULAR_MASK 
-% This function generates a rectangular mask
-% mask = generate_rectangular_mask(nbins, hop, sig_len, t_lim, f_lim)
-% Inputs:
-%    - nbins: numbers of channels (int)
-%    - hop : length of time shift (int)
-%    - sig_len: signal length (int)
-%    - t_lim : time value interval
-%    - f_lim : frequency value interval
-%
-% Outputs:
-%     - mask : mask
-% Author : A. Marina KREME 
-%%
-
-
-M = nbins/2 +1;
-N = sig_len/hop;
-
-if size(f_lim,2)~=2 || size(t_lim,2)~=2
-    error("Incorrect value. f_lim or t_lim  must be an interval")
-end
-
-mask = zeros(M,N);
-f_lim  = round(f_lim*size(mask,1));
-t_lim =round(t_lim*size(mask,2));
-
-mask(f_lim(1):f_lim(2),t_lim(1):t_lim(2))=1;
-
-end

matlab/tfgm/tf_tools/gabormultiplier/plot_ambiguity_function.m

-function plot_ambiguity_function(x, dgt , dgt_params, signal_params, dynrange)
-
-%% plot_ambiguity_function(x, dgt , dgt_params, signal_params, dynrange)
-
-% This function compute and plot ambiguity function for a given vector
-%
-% Inputs:
-%     - x: signal
-%     -dgt: Gabor transform operator
-%     - dgt_params: Signals parameters(sig_len, fs)
-%     - signal_params: Discrete Gabor Transform parameters(hop, nbins,win, ect..)
-%     - dynrange : dynamic range (optional)
-%
-% Author: Marina KREME
-%%
-
-
-
-if nargin==4
-    dynrange = 100;
-end
-
-apply_fftshift ='True';
-
-x = compute_ambiguity_function(x, dgt ,apply_fftshift);
-plotdgtreal(x, dgt_params.hop, dgt_params.nbins, signal_params.fs,'dynrange', dynrange)
-
-
-end

matlab/tfgm/tf_tools/gabormultiplier/product_of2_multipliers.m

-function mul1mul2= product_of2_multipliers(dgt, idgt, mask1, mask2)
-% mul1mul2= product_of2_multipliers(direct_stft, adjoint_stft, mask1, mask2)
-%
-% This function generates the product of two multipliers 
-% associated with two masks.
-%
-% Inputs:
-%     - dgt: short-time Fourier transfrom operator
-%     - idgt: inverse short-time Fourier transfrom operator
-%     - mask1, mask2: binary known mask
-% Output:
-%     - mul1mul2, mul2mul1: product of two gabor multipliers- handle function
-%
-
-
-mul1mul2 = @(x)idgt(mask1.*dgt(idgt(mask2.*dgt(x))));
-
-
-end 
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