small updates from work pc

try to implement kalman filter for MPI mitigation

Classes/04_DSP/Equalizer/FFE_DCremoval.m

@@ -59,7 +59,7 @@ classdef FFE_DCremoval < handle
 
         end
 
-        function [X] = process(obj, X, D)
+        function [X,Noi] = process(obj, X, D)
 
             % actual processing of the signal (steps 1. - 3.)
             % 1 normalize RMS
@@ -86,6 +86,8 @@ classdef FFE_DCremoval < handle
             lbdesc = [num2str(obj.order),' tap FFE'];
             X  = X.logbookentry(lbdesc); % append to logbook
             
+            Noi = X;
+            Noi = X - D;
 
         end
 
@@ -145,11 +147,21 @@ classdef FFE_DCremoval < handle
                         e_dc_buffer(1) = e_dc_est - obj.mu_dc * err(symbol);
                         e_dc_buffer = circshift(e_dc_buffer,1);
                     end
+
+                    e_dc_save(symbol) = e_dc_est;
     
                     obj.error(epoch,symbol) = err(symbol) * err(symbol)';  % Instantaneous square error
                     
                 end
             end
+
+            if ~training
+                figure(1122)
+                hold on
+                scatter(1:numel(e_dc_save),e_dc_save,1,'.');
+                scatter(1:numel(y),y,1,'.');
+
+            end
             
         end