کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2614104 1135001 2014 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Use of the Visual Range of Detection to Estimate Effective Sweep Width for Land Search and Rescue Based On 10 Detection Experiments in North America
ترجمه فارسی عنوان
استفاده از محدوده تصویری تشخیص برای برآورد عرض جابجایی موثر برای جستجو و نجات زمینی بر اساس 10 آزمایش تشخیص در آمریکای شمالی
کلمات کلیدی
جستجو و نجات؛ SAR؛ دامنه تشخیص؛ عرض جریمه موثر؛ احتمال تشخیص؛ تئوری جستجو؛ افراد گم شده
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی طب اورژانس
چکیده انگلیسی

ObjectiveStandard-of-practice search management requires that the probability of detection (POD) be determined for each search resource after a task. To calculate the POD, a detection index (W) is obtained by field experiments. Because of the complexities of the land environment, search planners need a way to estimate the value of W without conducting formal experiments. We demonstrate a robust empirical correlation between detection range (Rd) and W, and argue that Rd may reliably be used as a quick field estimate for W.MethodsWe obtained the average maximum detection range (AMDR), Rd, and W values from 10 detection experiments conducted throughout North America. We measured the correlation between Rd and W, and tested whether the apparent relationship between W and Rd was statistically significant.ResultsOn average we found W ≈ 1.645 × Rd with a strong correlation (R2 = .827). The high-visibility class had W ≈ 1.773 × Rd (also R2 = .867), the medium-visibility class had W ≈ 1.556 × Rd (R2 = .560), and the low-visibility had a correction factor of 1.135 (R2 = .319) for Rd to W. Using analysis of variance and post hoc testing, only the high- and low-visibility classes were significantly different from each other (P < .01). We also found a high correlation between the AMDR and Rd (R2 = .9974).ConclusionsAlthough additional experiments are required for the medium- and low-visibility search objects and in the dry-domain ecoregion, we suggest search planners use the following correction factors to convert field-measured Rd to an estimate of the effective sweep width (W): high-visibility W = 1.8 × Rd; medium-visibility W = 1.6 × Rd; and low-visibility W = 1.1 × Rd.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Wilderness & Environmental Medicine - Volume 25, Issue 2, June 2014, Pages 132–142
نویسندگان
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