Changes for page Integrated Distributed Acoustic Sensing (iDAS)
Last modified by robert on 2024/05/17 16:52
To version 11.1
edited by Sima Mousavi
on 2024/01/29 16:34
on 2024/01/29 16:34
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... ... @@ -185,93 +185,10 @@ 185 185 * **Functionality:** Each mode presents the acoustic data from iDAS in unique formats. 186 186 * **Detailed Information:** See pages 19-23 of the Standard iDAS manual for comprehensive details on each mode. 187 187 188 +=== === 188 188 189 - 190 -=== **Application Type Options** === 191 - 192 -1. **Diagnostic Setup Only:** 193 -1*. Retrieves current settings for a basic diagnostic overview. 194 -1. **Seismic Application:** 195 -1*. Sets Data Output Frequency to 1000 Hz. 196 -1*. Adjusts Data Output Spatial Resolution to 2 meters. 197 -1. **Flow Monitoring:** 198 -1*. Changes Data Output Frequency to 10,000 Hz. 199 -1*. Sets Data Output Spatial Resolution to 0.25 meters. 200 -1. **Security Monitoring:** 201 -1*. Configures Data Output Frequency to 1000 Hz. 202 -1*. Sets Data Output Spatial Resolution to 2 meters. 203 - 204 - 205 -[[image:1706508500303-165.png]] 206 - 207 - 208 -=== **Detailed Parameter Information** === 209 - 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. 218 - 219 - 220 -[[image:1706508761205-307.png]] 221 - 222 - 223 - 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]] 246 - 247 - 248 - 249 - 250 - 251 -XXXXXXXXXXX 252 - 253 -[[image:1706509232964-660.png]] 254 - 255 - 256 - 257 - 258 - 259 - 260 - 261 - 262 - 263 - 264 - 265 - 266 - 267 - 268 - 269 - 270 - 271 271 === [[image:1706506304897-924.png]] === 272 272 273 -[[image:1706506500585-231.png]] 274 - 275 275 ---- 276 276 277 277 = **Silixa iDAS Setup Manual for Reoccupying/Duplicating Experiment** = ... ... @@ -424,6 +424,8 @@ 424 424 425 425 426 426 344 + 345 + 427 427 [[Caption>>image:1706488806394-168.png]] 428 428 429 429 ... ... @@ -447,3 +447,4 @@ 447 447 448 448 449 449 369 +
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