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Thursday, July 16, 2020 | History

2 edition of **two-step sequential procedure for improving the cumulative probability of detection in radars** found in the catalog.

two-step sequential procedure for improving the cumulative probability of detection in radars

L. E. Brennan

- 397 Want to read
- 30 Currently reading

Published
**1964**
by Rand Corporation in Santa Monica, Calif
.

Written in English

- Radar.

**Edition Notes**

Includes bibliographical references.

Statement | by L.E. Brennan and F.S. Hill, Jr. |

Series | Research memorandum -- RM-4338, Research memorandum (Rand Corporation) -- RM-4338.. |

Contributions | Hill, F. S. |

The Physical Object | |
---|---|

Pagination | 60 p. : |

Number of Pages | 60 |

ID Numbers | |

Open Library | OL17984312M |

procedures due to the ETSS procedure to avoid relying too much on information obtained in just one stage. We show that the needed ratios of sample sizes to maximize the probability of correct selection is approximately maintained at all iterations. An experimental performance evaluation demonstrates the eﬃciency of our sequential procedures. Detection of Sonar Sinusoids of Unknown Frequency and Known or Unknown Phase A Two-Step Sequential Procedure for Improving the Cumulative Probability of Detection in Radars About RAND Reports.

i = detection site, i = 1, 2, k, numbered from upstream to downstream where k is the maximum number of detection sites. mi = number of fish detected at site i. The overall detection probability is a function of p1 and p2: p = 1-(1-p1)(1-p2) References. The Sequential Probability Ratio Test BS2 Statistical Inference, Lecture 14 Michaelmas Term Steﬀen Lauritzen, University of Oxford; December 2, 1. Sequential testing We have set up the testing problem as if we were forced to take .

TWI has an active role in developing new guidance on these issues for BS , the UK procedure for structural assessment of welded structures. The concept of Probability of Detection (POD) is used in various industry sectors to . That's cumulative probability. The events in cumulative probability may be sequential, like coin tosses in a row, or they may be in a range. For example, if you're observing a response with three categories, the cumulative probability for an observation with response 2 would be the probability that the predicted response is 1 OR 2.

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Abstract: Sequential detection procedures, which may be used with phased-array radars, can provide a significant improvement in search capability as compared to uniform scanning. This paper discusses the improvement in cumulative detection probability (the probability that an approaching target is detected before it reaches a given range) which can be obtained with the two-step sequential test, first described by Finn Cited by: A discussion of a simple two-step search procedure for phased-array radars.

The two-step procedure consists of illuminating each beam position in turn with a single transmitted pulse, and testing for the presence of a return signal from a target in each of m range by: Sequential detection procedures, which may be used with phased-array radars, can provide a significant improvement in search capability as compared to uniform scanning.

This paper discusses the improvement in cumulative detection probability (the probability that an approaching target is detected before it reaches a given range) which can be obtained with the two-step sequential test, first described by Finn. A Two-Step Sequential Procedure for Improving the Cumulative Probability of Detection in Radars This report is part of the RAND Corporation research memorandum by: Abstract.

The typical approach in change-point theory is to perform the statistical analysis based on a sample of fixed size. Alternatively, and this is our approach, one observes some random phenomenon sequentially and takes action as soon as one observes some statistically significant deviation from the “normal” by: 4.

“A Two-Step Sequential Procedure for Improving the Cumulative Probability of Detection in Radars,” (with L.E. Brennan), IEEE Transactions on Military Electronics, MIL-9, Julypp. PDF | OnK. ka and others published Pulse Compression Techniques for Target Detection | Find, read and cite all the research you need on ResearchGate.

In a variety of different settings cumulative sum (CUSUM) procedures have been applied for the sequential detection of structural breaks in the parameters of stochastic models. Yet their performance depends strongly on the time of change and is best under early change scenarios.

For later changes their finite sample behavior is rather questionable. In this article a method is presented for evaluating the probability of detecting (PD) a single stuck-fault in a sequential circuit as a function of the number of random input test vectors. A discrete parameter Markov-model is used in the analysis to obtain closed-form expressions for PD.

The circuit is partitioned into three parts, the input and output combinational logic and the. To calculate the probability of detection actually achieved, the power of the sea clutter received in a single resolution cell must be added to the noise power.

Initially we can consider that the expected signal has gain G c over sea clutter. This gain is not linked to the total number of pulses, N, post-integrated during illumination time, but is limited to the number, N f, of pulses of a. CUMULATIVE SUM CHART AND THE SEQUENTIAL PROBABILITY RATIO TEST Aleksey S.

Polunchenko Department of Mathematical Sciences, State University of New York (SUNY) at Binghamton Binghamtom, NY –, USA Abstract We establish a simple connection between certain in-control characteristics of the CUSUM Run Length and their out-of-control.

Alert–confirm detection is a highly efficient method to improve phased array radar search performance. It comprises sequential detection in two steps: alert detection. A Two-Step Sequential Procedure for Improving the Cumulative Probability of Detection in Radars This report is part of the RAND Corporation research memorandum series.

It includes the Marcus and Swerling test strategy and a two-step approximation to sequential detection. The second chapter contains the development of Bayes decision rules and Bayes receivers for optimizing the detection of multiple targets with unknown parameters, such as range, velocity, angle, etc.

Scaled Sequential Probability Ratio Test. Introducing the Scaled Sequential Probability Ratio Test (SSPRT), it is an extended version of the classic SPRT method, which provides straight information about the endpoint and the duration of subsections of a signal with changed statistical distributions.

A Two-Step Sequential Procedure for Improving the Cumulative Probability of Detection in Radars Angle Tracking Accuracy of Phased Array Radars.

Cumulative Probability of Detection for Targets Approaching a Uniformly Scanning Search Radar Luca Venturino In this work, we consider a surveillance radar equipped with an electronically scanned antenna and study the performance of a two-step sequential detection procedure, where, for each.

Prof. David Jenn Department of Electrical & Computer Engineering Dyer Road, Room Monterey, CA () [email protected], [email protected] In this work, we consider a surveillance radar equipped with an electronically scanned antenna and study the performance of a two-step sequential detection procedure, where.

This article presents an improved sequential sampling procedure for the detection and estimation of overstatement in an account or class of transactions where the sample is selected with probability-proportional-to-size (pps), also known in auditing as "dollar unit").

TWI Ltd Cambridge, UK. Paper presented at BINDT Annual Conference Abstract. Estimation of probability of detection (POD) curves by NDT typically relies on the manufacture of large numbers of realistic defect specimens, followed by practical trials of the inspection procedure.$\begingroup$ Note that it can fail either right away at point 1 (you know the probability of that) or (with probability that it does not fail at point 1) it can fail at point 2 with a probability that you know.

Add these to get total probability of failure, F, then 1-F is the probability of success. $\endgroup$ – ely Mar 20 '12 at eﬃciency of sequential detection schemes (the Sequential Probability Ratio Test) to decrease the required integration time, in comparison to standard ﬁxed time detection schemes.

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