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Last modified by robert on 2024/05/17 16:52
From version 12.5
edited by Sima Mousavi
on 2024/01/29 17:11
Change comment: (Autosaved)
To version 12.31
edited by Sima Mousavi
on 2024/01/29 17:36
Change comment: (Autosaved)

Summary

Details

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205 205  [[image:1706508500303-165.png]]
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207 207  
208 +=== **Detailed Parameter Information** ===
208 208  
210 +1. **Time Decimation and Output Decimation:**
211 +1*. These values are calculated based on the physical fiber length.
212 +1. **Measure Length (m):**
213 +1*. Generated value: 10176 meters.
214 +1*. Note: 'Measure Length' includes the reference fiber inside the iDAS unit, differentiating it from 'Physical Fibre Length'.
215 +1. **Pulse Width (ns):**
216 +1*. Generated value: 50 nanoseconds.
217 +1*. Spatial Extent: A 50ns pulse corresponds to a 10m spatial extent.
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220 +[[image:1706508761205-307.png]]
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224 +
225 +
226 +=== **Optimal Light Management** ===
227 +
228 +* **Objective:** Achieve balanced light distribution across the region of interest in the iDAS system.
229 +
230 +=== **Adjustment Guidelines** ===
231 +
232 +1. **Setting Optical Power:**
233 +1*. Aim to have the start of the region of interest around or below +4000 units.
234 +1*. Ensure the far end of the region of interest does not enter a non-linear response scheme.
235 +1. **Consideration for Short Fibers:**
236 +1*. In cases where the fiber length is short and non-linear effects are not observed, set the Optical Power to its maximum.
237 +1*. **Power Scale:** The adjustment slider ranges from 0-100, representing the percentage of maximum power available.
238 +
239 +=== **Note on Optical Power Control** ===
240 +
241 +* **Control Mechanism:** The slider provides a precise control mechanism to manage the intensity of light sent through the fiber.
242 +* **Monitoring and Adjustment:** Continuously monitor and adjust as necessary to ensure optimal performance.
243 +
244 +
245 +[[image:1706509177362-144.png]]
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251 +XXXXXXXXXXX
252 +
253 +[[image:1706509232964-660.png]]
254 +
255 +
256 +
257 +== **Integrating GPS Antenna for Accurate Timing** ==
258 +
259 +=== **Installation and Connection Process** ===
260 +
261 +**Connecting the GPS Antenna:**
262 +
263 +* Connect one end of a coaxial cable with SMB female connectors to the GPS antenna.
264 +* If you plan to mount the antenna, do so before connecting the cable.
265 +* Connect the other end of the cable to the 'GPS Ant.' port located on the output panel at the front of the iDAS unit.
266 +
267 +=== **Monitoring GPS Status and Time** ===
268 +
269 +* **GPS Information Display:** The GPS status and time are displayed on the Tool Bar of the iDAS software.
270 +* **Status Indicators:**
271 +** **Red:** Antenna is not connected.
272 +** **Amber:** Antenna connected, but self-survey not completed.
273 +** **Green:** Antenna connected, self-survey completed, and timing is accurate.
274 +
275 +[[image:1706509432197-316.png]]
276 +
277 +
278 +
279 +**Primary Configuration Settings in iDAS**
280 +
281 +These settings are integral to the operation of the iDAS system, significantly influencing aspects like the rate of data streaming. They encompass:
282 +
283 +1. **Sampling Frequency:** Determines how often data is captured.
284 +1. **Spatial Resolution:** Defines the level of detail in spatial data.
285 +1. **Fiber Length:** Impacts the range over which data is collected.
286 +
287 +In configuring these parameters, a balance must be struck. This involves aligning the system's physical capabilities, such as fiber length and spatial resolution, with the practical limits of data collection, including the volume of data generated. Adjusting these settings correctly is crucial for optimizing data quality while managing the data volume effectively. This balance ensures that the system meets the specific needs of each application without overwhelming storage or processing capabilities.
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290 +[[image:1706510182174-365.png]]
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