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Whisk broom scanner

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Visualization of how a whisk broom scanner captures imagery. The dark blue squares represent the subset of the area seen by the scanner at any given time and the lighter blue squares show previously scanned areas. The size of the subset may change between a single pixel (one square) or a spotlight
124: 76:. Because the detector is only focused on a subsection of the full swath at any time, it typically has a higher resolution than a 72:. Whisk broom scanners have the effect of stopping the scan, and focusing the detector on one part of the 68:
The moving parts make this type of sensor expensive and more prone to wearing out, such as in the
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from space. In a whisk broom sensor, a mirror scans across the
156:(NASA), with animated whisk broom and push broom illustrations 62: 87:
series of satellites used the whisk broom design until
21:(multiple squares) but the motion remains the same. 161: 118: 116: 80:design for the same size of scan swath. 15: 113: 162: 131:. Exelis Visual Information Solutions 125:"Push Broom and Whisk Broom Sensors" 122: 13: 57:), reflecting light into a single 14: 186: 147: 91:which used a push broom sensor. 37:, is a technology for obtaining 1: 106: 7: 94: 10: 191: 45:. It is used for passive 61:which collects data one 83:All sensors aboard the 22: 19: 35:across-track scanner 33:, also known as an 101:Push broom scanner 23: 154:Earth Observing-1 182: 141: 140: 138: 136: 120: 39:satellite images 31:spotlight sensor 190: 189: 185: 184: 183: 181: 180: 179: 160: 159: 150: 145: 144: 134: 132: 123:Shippert, Peg. 121: 114: 109: 97: 43:optical cameras 12: 11: 5: 188: 178: 177: 175:Remote sensing 172: 158: 157: 149: 148:External links 146: 143: 142: 111: 110: 108: 105: 104: 103: 96: 93: 47:remote sensing 9: 6: 4: 3: 2: 187: 176: 173: 171: 170:Image sensors 168: 167: 165: 155: 152: 151: 130: 126: 119: 117: 112: 102: 99: 98: 92: 90: 86: 81: 79: 75: 71: 66: 64: 60: 56: 52: 48: 44: 40: 36: 32: 28: 18: 133:. Retrieved 128: 82: 67: 65:at a time. 55:ground track 34: 30: 26: 24: 135:27 February 74:swath width 27:whisk broom 164:Categories 129:Exelis VIS 107:References 78:push broom 89:Landsat 8 70:Landsat 7 53:’s path ( 51:satellite 95:See also 59:detector 85:Landsat 63:pixel 41:with 137:2015 29:or 166:: 127:. 115:^ 25:A 139:.

Index


satellite images
optical cameras
remote sensing
satellite
ground track
detector
pixel
Landsat 7
swath width
push broom
Landsat
Landsat 8
Push broom scanner


"Push Broom and Whisk Broom Sensors"
Earth Observing-1
Categories
Image sensors
Remote sensing

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