www.pudn.com > un_PDAF.zip > Structure_PDAF_Init_Parameters.m

function Par = Structure_PDAF_Init_Parameters(); 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
% Structure_PDAF_Init_Parameters - initializes different parameters of  
% the algorithm 
% Input: 
%   - 
% Output: 
%   Par          - parameter structure  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 
% general management 
Par.ShowOn          = 0;        % show different information 
 
% init data and tracks 
Par.TrajIndex       = [12 11 8]; %ones(1,4).*8; %[1 5 7 8]; %ones(1:2).*8; %[1 2];   % max 7 
Par.PointNum        = 9;       % number of clutter and data points must be greater then TrajIndex length 
Par.NaNDensity      = 0.0;        %.1;  
Par.Y1Bounds        = [0 1];    % approximate bounds for measurements in Y1 
Par.Y2Bounds        = [0 1];    % approximate bounds for measurements in Y2 
Par.TrajNum         = length(Par.TrajIndex); % save this for future use 
Par.Nv              = 0.005;     % noise variance 
Par.dT              = 1/30;     % time between measurements in seconds 
Par.Time            = 3;        % simulation stopping time in seconds 
 
% Kalman filter properties 
Par.StateVar        = (0.5)^2;  % state variance sqrt(StateVar)/dT 
Par.ObserVar        = (0.01)^2;  % observation variance sqrt(StateVar)/dT 
 
% Track properties 
Par.TrackNum        = 5;        % number of trackers 
Par.ProbDim         = 2;        % ProbDim     - dimensionality of the problem (x, x-y or x-y-z) 
Par.ModelDim        = 2;        % ModelDim    - constant velocity or constant acceleration 
Par.HistLen         = 3;        % HistLen     - number of past state history for each tracker 
Par.HistGateLevel   = 0.1;      % determines history separation value 
Par.LogLikeAlpha    = 0.3;      % log likelihood forget factor 
 
%Par.GateLev        = 9.2;      % - 99 percent in 2D 
Par.GateLevel       = 9;        % - 98.9 percent 
%Par.GateLevel       = 4;       % - 86.5 percent 
 
% PDAF parameters 
Par.UsePDAF         = 1 ;       % switch to the PDAF mode 
Par.PG              = .9;       % probabiliry of gating 
Par.PD              = .8;       % probability of detection; 
 
% Tracker states 
Par.State_Undefined = 0;        % track is a free resources and not defined 
Par.State_FisrtInit = 1;        % track is in the first initalization state 
Par.State_LastInit  = 3;        % track is in the last initalization state 
Par.State_Track     = 10;       % track is in the tracking mode 
Par.State_FirstCoast= 20;       % track is in first cost state 
Par.State_LastCoast = 25;       % track is in last cost state