- refactored

2022-06-30 13:32:40 +02:00
parent 77cd5261b1
commit 776932e5d1
144 changed files with 0 additions and 38 deletions
@@ -0,0 +1,44 @@
+## Copyright (C) 2016 Jens Ahrensfeld
+## 
+## This program is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or
+## (at your option) any later version.
+## 
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+## 
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*- 
+## @deftypefn {Function File} {@var{retval} =} pt_eval (@var{input1}, @var{input2})
+##
+## @seealso{}
+## @end deftypefn
+
+## Author: Jens Ahrensfeld <ahrensfeld@w2ess001vm>
+## Created: 2016-11-04
+
+function pt_eval (vX, vY)
+
+if 0
+  k = sqrt(2)/1.5;
+  v = sqrt(vX^2 + vY^2);
+  nx = k*abs(vX)/v;
+  ny = k*abs(vY)/v;
+else
+  k = 1.0/1.5;
+  nx = k;
+  ny = k;
+end
+
+mot1 =  0.5*vX*nx + vY*ny
+mot2 = -0.5*vX*nx + vY*ny
+
+rotX = mot1 - mot2
+rotY = 0.5*(mot1 + mot2)
+vrot = sqrt(rotX^2 + rotY^2)
+endfunction
@@ -0,0 +1,43 @@
+## Copyright (C) 2018 Jens Ahrensfeld
+## 
+## This program is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or
+## (at your option) any later version.
+## 
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+## 
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*- 
+## @deftypefn {Function File} {@var{retval} =} vanDusen_eval (@var{input1}, @var{input2})
+##
+## @seealso{}
+## @end deftypefn
+
+## Author: Jens Ahrensfeld <ahrensfeld@w2ess001vm>
+## Created: 2018-05-28
+
+function vanDusen_eval (R0, Tmin, Tmax, dT)
+
+a = +3.90830e-03
+b = -5.77500e-07
+c = -4.18301e-12
+
+T = Tmin:dT:Tmax;
+
+R1 = R0*(1 + a*T + b*T.^2);
+R2 = c.*(T - 100).*T.^3;
+
+
+a_IEC = 0.00385055;
+a_SAMA = 0.00392;
+
+plot(T, R1, T, R0*(1+a_IEC*T), 'r', T, R0*(1+a_SAMA*T), 'g'); grid; xlabel('T/°C'); ylabel('RTD/ohms'); legend('van Dusen','a_{IEC}','a_{SAMA}');
+
+
+endfunction