@Test public final void testImpedance() { try { PhysicalParameters parameters = new PhysicalParameters(25., TemperatureType.C); double z0 = parameters.calcZ0(BaseRadius); Complex zLoad = Tube.calcZload(BaseFrequency, BaseRadius, parameters).divide(z0); assertEquals("Re(Z) incorrect", 0.00101768, zLoad.getReal(), 1.0e-6); assertEquals("Im(Z) incorrect", 0.039, zLoad.getImaginary(), 0.0001); } catch (Exception e) { fail(e.getMessage()); } }