Soft-db Tenor 24bits Data User Guide Manual do Utilizador

Tenor System 8-Channel Data Logger User Manual, version 2.0e August 2009

Tenor Data Logger Soft dB inc. 4.2 Set-up interface The Figure 4 shows the main interface just after launching the Tenor software. Figure 4: Tenor

Tenor Data Logger Soft dB inc. The general set-up group of parameters presents the application set-up. 4.2.2 Input Set-up The input set-up is done t

Tenor Data Logger Soft dB inc. measurement with a microphone, the standard dB reference value is 2E-5. Sensitivity This is the sensitivity of the inp

Tenor Data Logger Soft dB inc. Frequency (Hz): This is the calibrator emission frequency (typically 1000 Hz in the case of a microphone). dBref: Thi

Tenor Data Logger Soft dB inc. 4.2.3 Output Set-up To activate the output on the Tenor system, the user must select the output(s) with the green dot

Tenor Data Logger Soft dB inc. The interface uses the extended wave format that supports multi channels and continuous sampling frequency adjustment.

Tenor Data Logger Soft dB inc. 4.3 Wave Files Generator The Tenor system includes a dedicated module for creating a multi-channel output wave file.

Tenor Data Logger Soft dB inc. This is the output file path. At the start-up of the generator interface, the path is set to the current output file

Tenor Data Logger Soft dB inc. Repetitive Impulse pattern Maximum 2V Frequency of the repetition --- --- * For Gaussian White Noise, the maximum out

Tenor Data Logger Soft dB inc. 4.4 Launching the acquisition and monitoring When the set-up is done, the user can click on the acquisition tab and

Contents 1.0 INTRODUCTION ...3 2.0 SOFTWARE AND USB

Tenor Data Logger Soft dB inc. The next figure presents the acquisition tab of the main interface: Figure 11: Acquisition tab of the main interface

Tenor Data Logger Soft dB inc. Figure 12: Dynamic range and saturation indicators Each dynamic range indicator has two bars. The yellow bar is the

Tenor Data Logger Soft dB inc. The LEDs on the Tenor box are also useful for analyzing the saturation and low signal level problems. The following

Tenor Data Logger Soft dB inc. 4.4.3 Time/Spectrum Indicators During acquisition, four curves are available to display the time signal, the global l

Tenor Data Logger Soft dB inc. This control allows selecting a linear or log scale for the X axis. This control state is not used when the time or h

Tenor Data Logger Soft dB inc. 4.4.4 Export Graphs When the acquisition has been completed, the Export Graph function can be used to save the data of

Tenor Data Logger Soft dB inc. 5.0 Post-Processing The post-processing tab includes a complete software tool allowing the analysis of a multi-channe

Tenor Data Logger Soft dB inc. Peak and time signal graphs The approach used by the post-processing module allows the analysis of a large wave file (

Tenor Data Logger Soft dB inc. Cursor legend activation The next figure shows how to activate the cursor legend. The cursor legend is activated by ri

Tenor Data Logger Soft dB inc. 5.1 Play Wave Function This function can be used to playback any portion of the selected channel. The blue cursor of

Tenor Data Logger Soft dB inc. 1.0 Introduction The Tenor Data Logger from Soft dB is an 8-channel acquisition system that can collect data from dif

Tenor Data Logger Soft dB inc. 5.2 Analysis Functions Tab The post-processing module includes six analysis functions, that are applied on the entir

Tenor Data Logger Soft dB inc. Figure 22: Global level historic module interface At any time, the computation parameters can be changed and the rec

Tenor Data Logger Soft dB inc. This parameter allows adjusting the overlap between the time blocks used for the global levels historic calculation.

Tenor Data Logger Soft dB inc. At any time, the computation parameters can be changed and the recompute button can be used to update the results. T

Tenor Data Logger Soft dB inc. The function Export .txt allows exporting the average power spectrum in text format. 5.2.3 Statistics This module a

Tenor Data Logger Soft dB inc. At any time, the computation parameters can be changed and the recompute button can be used to update the results. Th

Tenor Data Logger Soft dB inc. Figure 25: Waterfall interface At any time, the computation parameters can be changed and the recompute button can be

Tenor Data Logger Soft dB inc. The Integration parameter allows applying a simple or double integration in the frequency domain for an acceleration

Tenor Data Logger Soft dB inc. Figure 28: Dialog box for waterfall graph scale adjustment The frequency and amplitude scales can be adjusted throug

Tenor Data Logger Soft dB inc. Figure 29: Interface of the FRF module At any time, the computation parameters can be changed and the recompute butt

Tenor Data Logger Soft dB inc. 2.0 Software and USB driver installation ! Do not connect the Tenor unit to your PC before installing the software

Tenor Data Logger Soft dB inc. The coherence graph allows determining if the signal measured on both channels is linked. The equation used for the co

Tenor Data Logger Soft dB inc. or These controls allow the integration of the inputs in the FRF calculation process. This control can be used to

Tenor Data Logger Soft dB inc. The ISO2631 standard has one filter for the XY-axes and another filter for the Z-axis. The following curves present t

Tenor Data Logger Soft dB inc. 5.2.7 Change Inputs Set-up This function allows changing the input sensitivity, the input description, the unit name

Tenor Data Logger Soft dB inc. 5.3 Filter and Integration Tab The Filtering and Integration tab at the bottom of the main post-processing interfac

Tenor Data Logger Soft dB inc. 5.3.1 Filter The Filter function is very useful for removing some frequency components on a group of selected channe

Tenor Data Logger Soft dB inc. This parameter allows specifying the cut-off frequency of Lowpass and HighPass filters and the low cut-off frequency

Tenor Data Logger Soft dB inc. 5.3.2 Integral x(t) This function performs a time integration on the signal of a group of selected channels. Some mod

Tenor Data Logger Soft dB inc. This control allows selecting the group of channels for which the integration will be done. This button launches th

Tenor Data Logger Soft dB inc. 5.4 Signal Extraction Tab The signal extraction tab includes a function for extracting a portion of the signal. This

Tenor Data Logger Soft dB inc. STEP 2: Power the Tenor unit Connect the power supply to the Tenor unit using the “12Vdc/2.0A” connector at the rear

Tenor Data Logger Soft dB inc. Extraction example The objective of this example is to keep the signal between time 00:03:50 and 00:06:00. First, the

Tenor Data Logger Soft dB inc. 5.5 Export/Save Tab The Export/Save tab includes five functions to export the time signal data to a text file, a wav

Tenor Data Logger Soft dB inc. Figure 37: Text format dialog box The data can be saved in line or column and the delimiter can be 1) a standard ta

Tenor Data Logger Soft dB inc. Appendix A: Tenor Driver and Software Installation Procedure ! The Tenor unit is not automatically recognized

Tenor Data Logger Soft dB inc. Check Install from a list or specific location (Advanced) and then click on Next Use the Browse button to specify th

Tenor Data Logger Soft dB inc. Right click on My Computer and select Properties Click on Device Manager in the Hardware tab User Manual p. 55

Tenor Data Logger Soft dB inc. Expand the USB tree and check for the following entry: Signal_Ranger_mk2 User Manual p. 56

Tenor Data Logger Soft dB inc. Appendix B: Tenor input/output specifications Specification Commentary Direct AC, Direct DC and ICP inputs SNR 10

Tenor Data Logger Soft dB inc. Input Frequency Response The next figures present the frequency response for all input types. User Manual p. 58

Tenor Data Logger Soft dB inc. Output Frequency Response User Manual p. 59

Tenor Data Logger Soft dB inc. 3.0 Hardware Description The hardware unit of the Tenor acquisition system is based on a USB DSP/FPGA acquisition bo

Tenor Data Logger Soft dB inc. Figure 3: Tenor Hardware Unit (rear) 3.1 Technical details Here are the hardware technical details: • External bo

Tenor Data Logger Soft dB inc. 3.2 LED information The LED colour and description are presented in the following table: Description of colour mean

Tenor Data Logger Soft dB inc. 4.0 Using the acquisition software The next paragraphs present the set-up and acquisition portions of the software. T