نتایج جستجو برای: آشکارسازی cfar
تعداد نتایج: 3265 فیلتر نتایج به سال:
قسمت عمد? رسال? حاضر به کاربرد روشهای مبتنی بر شبیه ساز ی (مونت کارلو) در آشکارسازی راداری اختصاص دارد. در این روشها با استفاده از تولید اعداد تصادفی، عملیات تخمین پارامتر های نامعلوم و یا محاسبه آمار? آشکار ساز انجام می پذیرد. پس از مطالعات نسبتاً جامعی در زمین? روشهای مونت کارلو، دو آشکار ساز بر مبنای روش نمونه برداری اهمیتی ارایه شده است. در این آشکار سازها ،که آنها را آشکار ساز ذره ای می نام...
Vasoactive effects of supplemental pentobarbital anesthesia in the canine hindlimb microcirculation were documented in two groups of animals previously anesthetized with 30 mg/kg pentobarbital: Group I with a 5 mg/kg intravenous (iv) bolus of pentobarbital (n = 8) and Group II with a 5 mg/kg 2-min iv infusion of pentobarbital (n = 7). In Group I, measurements at baseline (BL) and 5, 15, 20, and...
Frontline chemoimmunotherapy with fludarabine, cyclophosphamide, and rituximab (FCR) is associated with superior overall survival (OS) for patients with chronic lymphocytic leukemia (CLL). Alemtuzumab (A) was added to FCR (CFAR) in a phase 2 trial for high-risk untreated patients < 70 years with serum -2 microglobulin ( 2M) > 4 mg/L. Sixty patients were enrolled; median age was 59 years (range,...
Frontline chemoimmunotherapy with fludarabine, cyclophosphamide, and rituximab (FCR) is associated with superior overall survival (OS) for patients with chronic lymphocytic leukemia (CLL). Alemtuzumab (A) was added to FCR (CFAR) in a phase 2 trial for high-risk untreated patients < 70 years with serum β-2 microglobulin (β2M) ≥ 4 mg/L. Sixty patients were enrolled; median age was 59 years (range...
Future high-resolution short-range automotive radar will have a higher false alarm probability than the conventional low-resolution radar has. In a high-resolution radar, the reception signal becomes sensitive to the difference between intended and unintended objects. However, automotive radars must distinguish targets from background objects that are the same order of size; it leads to an incr...
In this paper, sub-band energy based collaborative target localization in wireless sensor network is presented. Three steps including target detection, target location candidates estimation and target location identification have been performed to realize the task of target localization. In the step of target detection, each sensor node detects the targets by filtered total acoustic energy base...
This paper presents a target detection method in synthetic aperture radar (SAR) images with radiometric multiresolution analysis (RMA). The idea is that target saliency can be efficiently computed by comparing the statistics of targets and those of the local background around them. In order to compute reliable statistics of targets, which usually involve a small number of pixels, RMA is adopted...
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