ExpressionDialog Qt::ApplicationModal 0 0 637 313 Custom Expression true Expression: 0 <html><head/><body><p>Available variables:</p><ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">x: the S parameter as a (complex) voltage vector. </li><li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">f: measurement frequency in Hz</li><li style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">w: angular measurement frequency (w = 2πf)</li></ul><p>Examples:<br/>Add 10db to the trace (10db = exp10(10/20) = sqrt(10)):</p><ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">x * sqrt(10)</li></ul><p>Clip trace at 0db (0db = exp10(0/20) = 1) while preserving phase:</p><ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">abs(x) &lt; 1 ? x : exp(i*arg(x))</li></ul></body></html> <html><head/><body><p>Available variables:</p><ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">x: the impulse response as a (complex) vector. </li><li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">t: time in seconds</li><li style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">d: distance in meters</li></ul></body></html> Qt::Horizontal QDialogButtonBox::Ok buttonBox accepted() ExpressionDialog accept() 248 254 157 274