# Dynamic Displacement Sensor - Data visualization ## Displacement Amplitude This graph shows the trend of Dynamic Displacement Amplitude over time. The Displacement Amplitude is measured in millimeters (mm) and indicates the difference between the maximum and minimum values recorded in each acquisition. Each point on the graph represents a single acquisition.

DDS - Trend of the dynamic displacement amplitude

## Number of Acquisitions This chart displays the number of acquisitions performed by the sensor over time.

DDS - Andamento del numero di acquisizioni

## **Temperature** This chart shows the trend of temperature measured by the sensor over time.

*** ## Graphs in DDS Acquisitions

Data Explorer - Dynamic Displacement Sensor - Acquisitions section

## Displacement Waveform This chart displays the waveform of vibrational displacement over time. Each event corresponds to a vibration detected by the sensor and is represented over a 30-second sampling window (10 seconds before the threshold is exceeded and 20 seconds after). The displacement is measured in millimeters (mm).

## Displacement Frequency Response This chart displays the frequency response of the displacement waveform. Using the FFT (Fast Fourier Transform) algorithm, the spectral content of the displacement signal is highlighted. This allows you to visualize the frequency response of the oscillations in terms of amplitude (mm) as the frequency varies. The frequency response provides insights into the dynamic behavior of the structure and its resonance characteristics, enabling a more detailed analysis of the signal compared to the time domain.

DDS - Frequency response of the displacement

## Acquisition List The “Acquisition List” table displays a list of data samples collected by the sensor over a specified time interval. You can select individual acquisitions to view detailed information on the “Displacement Waveform” and “Displacement Frequency Response” in the graphs above. {% hint style="info" %} The Pk-Pk value in the table indicates the displacement amplitude, which is also visualized in the “Displacement Amplitude” graph within the ‘Trends’ section. {% endhint %}

*** ## Learn more about other sensor data


Accelerometer	Trends accelerometer.png	accelerometer-data-visualization
Vibrometer	Vibrometer data explorer.png	vibrometer-data-visualization
Tiltmeter	Data Explorer tiltmeter.png	tiltmeter-data-visualization
Communication node	Data explorer node.png	communication-node-data

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