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Search Publications by: Nicholas G. Paulter Jr. ()

Displaying 176 - 200 of 251

Using the Nose-to-nose Sampler Calibration Method in Pulse Metrology

September 1, 2001

Author(s)

Donald R. Larson, Nicholas Paulter

We present our analysis of the nose-to-nose (ntn) method for use as an accurate sampler calibration method. The variations in the measurement of the sampler impulse response using the ntn method are described and the assertion that the kick-out pulse is

Concealed Weapons Detection System Using Uncooled, Pulsed, Imaging Arrays of Millimeter-Wave Bolometers

August 1, 2001

Author(s)

Erich N. Grossman, Shalva Nolen, Nicholas Paulter, Carl D. Reintsema

We describe a system for detection of concealed weapons based upon imaging the millimeter-wave reflectance contrast between the weapon and the human body. An architecture based upon pulsed illumination and gated detection has a large advantage in

Design of an Active MM-Wave Concealed Object Imaging System

August 1, 2001

Author(s)

Nicholas Paulter, Erich N. Grossman, Gerard N. Stenbakken, Bryan C. Waltrip, Shalva Nolen, Carl D. Reintsema

The research and design of an active millimeter-wave concealed object imaging system is described. Several illumination and detection methods were analyzed via computer simulation to assess the effects of system parameters on the signal-to-noise ratio of

The Effects of Offset Voltage on the Amplitude and Bandwidth of Kick-Out Pulses Used in the Nose-To-Nose Sampler Impulse Response Characterization Method

August 1, 2001

Author(s)

Donald R. Larson, Nicholas Paulter

The amplitude and bandwidth of kick-out pulses used in the nose-to-nose sampler impulse response characterization method were measured as a function of offset voltage. The measuring instrument was of similar bandwidth and its effects on the measurement

Dielectric and Conductor-Loss Characterization and Measurements on Electronic Packaging Materials

July 1, 2001

Author(s)

James R. Baker-Jarvis, Michael D. Janezic, Billy F. Riddle, Christopher L. Holloway, Nicholas Paulter, J Blendell

This is an overview of dielectric measurement methods and metrology on substrate materials used in electronic packaging. These substrates include low-temperature co-fired ceramic, high-temperature co-fired ceramic substrates, printed wiring board, and

Comparison of Some Algorithms to Estimate the Low and High State Level of Pulses

May 1, 2001

Author(s)

O. M. Solomon, Donald R. Larson, Nicholas Paulter

The IEEE Subcommittee on Pulse Techniques (SCOPT) of the Instrument and Measurement Society is developing a new standard for pulse analysis which yields pulse parameters such as amplitude, transition duration, overshoot, undershoot, pulse duration, and

Guide to the Technologies of Concealed Weapon and Contraband Imaging and Detection

February 1, 2001

Author(s)

Nicholas G. Paulter Jr.

The purpose of the guide is to provide information that will help members of the law enforcement and corrections community, who are present or potential users and operators of CWCIDSs, better understand the operation, limitations, and applicability of

Users' Guide for Hand-Held and Walk-Through Metal Detectors

January 1, 2001

Author(s)

A G. Lieberman, Kathleen M. Higgins, Nicholas Paulter

The guide provides the law enforcement and corrections (LEC) community with information concerning the theory and limits of operation of hand-held and walk-through metal weapon detectors. This guide is also intended to supplement National Institute of

Improving the Uncertainty Analysis of NIST's Pulse Parameter Measurement Service

November 1, 2000

Author(s)

Nicholas Paulter, Donald R. Larson

A new uncertainty analysis is being performed for NIST's pulse parameter measurement service that represents the new pulse parameter measurement and extraction process. This new analysis is also expected to have lower uncertainties compared to those

National Institute of Justice (NIJ Standard 0601.01) Walk-Through Metal Detectors for Use in Concealed Weapon and Contraband Detection

September 30, 2000

Author(s)

Nicholas G. Paulter Jr.

The purpose of this document is to establish performance requirements and methods of test for active walk-through metal detectors used to find metal weapons and/or metal contraband carried on a person and/or concealed by a non-metal object.

Hand-Held Metal Detectors for Use in Concealed Weapon and Contraband Detection

September 25, 2000

Author(s)

Nicholas G. Paulter Jr.

The original National Institute of Justice (NIJ) standard for hand-held metal detectors for use in concealed weapon detection was written in 1974 and revised in 2000. The 2000 revision of the NIJ standard provided repeatable and reproducible test methods

High Frequency and Broadband Signal Measurements by Ultrafast Opto-Microwave Intermixing and Sampling

September 1, 2000

Author(s)

W. L. Cao, M. Du, C G. Lee, Nicholas Paulter

Low frequency replication (600 kHz to 18 MHz) of a high frequency waveform (1 GHz to 30 GHz) was achieved using a photoconductive-based optical-microwave (OM) sampler. This OM sampler performs better than a 20 GHz digitizing sampling oscilloscope and is

National Institute of Justice Standard for Hand-Held Metal Detectors for Use in Concealed Weapon and Contraband Detection

September 1, 2000

Author(s)

Nicholas G. Paulter Jr.

This document, NIJ Standard-0602.01, Hand-Held Metal Detectors for Use in Concealed Weapon and Contraband Detection, is an equipment standard developed by the Office of Law Enforcement Standards of the National Institute of Standards and Technology. It is

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