Hao4K影音

icroflown Technologies B.V.Manual free field surface impedance setup宅嗨网宅嗨网宅嗨网宅嗨网宅海网宅嗨网宅嗨网宅嗨网Microflown TechnologiesT:+31316581490F:+31316581491宅嗨网宅嗨宅嗨网Calibration reportPU-Probe Model APage 1 of 16Microflown Technologies B.V.Table of contents1.Bill of materials.32.Setup of the system.................32.1.Hardware..32.2Schematic setup of the system..........................62.3.2.3.1Running the program.....................................2.3.2.Edit the settings...…2.3.3.Other features…882.3.4.Calibrate the DAQ.......2.4.Measurements.......02.4.1.CALIBRATION MEASUREMENT2.4.2.SAMPLE MEASUREMENT.112.5.Process the measurements...........122.5.1.CALIBRATION SMOOTHING122.5.2.MEASUREMENT SMOOTHING142.5.3.MODEL ANALYSIS....15宅嗨网宅嗨网宅嗨网宅嗨网宅嗨网宅嗨网宅嗨网宅嗨网Calibration reportPU-Probe Model APage 2 of 16Microflown Technologies B.V.1.Bill of materialsSurface Impedance softwareGrid with elastics fastened and spherical loudspeaker mounted.Specified probe (PU mini and/or PU match)with mounting screw(s).HandleMini tripod to mount under the handle宅嗨网Signal conditionerSound card amplifierCableso Lemo probe cableo Jack loudspeaker cableo 2 x BNC cables signal conditioner to sound card amplifiero USB sound card cable to computer2 x 110/230 Volt to 18Volt adaptor Adaptor cable宅嗨网2.Setup of the system2.1.Hardware1.Carefully remove the protective grid from the probe.Especially the PU match probe canbe fragile.Mount the probe on the grid.The probe should be orientated as indicated inFigure 1.The blue arrow indicated the measurement direction.The measurementdirection should point to the loudspeaker.2.Then tighten the screw(red arrow,Figure 1).Figure 1.The sensitive direction is indicated with the blue arrow and should point towards theloudspeaker.Left:Mounting of the PU mini probe.Right:PU match probe宅嗨网Calibration reportPU-Probe Model APage 3 of 16Microflown Technologies B.V.3.Then put the protective grid on the probe.Make sure the pillars of the grid are not infront of the sensor,see Figure 2.They can obstruct and affect the measurementCenter ofthe sensor网宅嗨网Figure 2.The pillars of the protective grid should not be in front of the sensor4.Connect all electronicsFront viewRear view宅嗨网Figure 3.Signal conditioner and sound card amplifier宅嗨网宅嗨网宅嗨网宅嗨网宅嗨Calibration reportPU-Probe Model APage 4 of 16