Total Reliability of Radar Systems: Incorporating Component Degradation Effects in Operational Reliability

被引：1

作者：

Ridder, Tyler D. ^{[1
]}

Narayanan, Ram M. ^{[1
]}

机构：

[1] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA

来源：

RADAR SENSOR TECHNOLOGY XXIII | 2019年 / 11003卷

关键词：

Radar reliability; component degradation; operational reliability; HOT-CARRIER STRESS; SOFT-BREAKDOWN; PERFORMANCE; RF;

D O I：

10.1117/12.2519725

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

Operational reliability has been shown to be a useful measure of the effectiveness of a radar's detection algorithm in a specific operational scenario. Operational reliability transforms traditional detection theory parameters into a metric that can be combined with component reliability, thus setting the foundation for the formulation of a radar's total reliability. Component reliability can be divided into two main areas of study: lifetime prediction and degradation characterization. The former focuses on the component's mean-time-to-failure (MTTF), while the latter investigates the slow decrease of a component's performance throughout its lifetime until the component eventually fails. In this paper, we explore the degradation of common radio frequency (RF) components that are used in a radar system. The degradation of the components is then used in conjunction with the radar's operational reliability to develop a model for the overall reliability of a radar system.

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