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Math Programs & Projects

(showing 1 - 15 of 172)
i-vector Challenge
Last Updated Date: 04/20/2015

NIST will coordinate a special i-vector challenge in late 2013 and 2014 based on data used in previous NIST Speaker Recognition Evaluations … more

Detecting Change Points in Surface Temperature Records
Last Updated Date: 04/17/2015

The long records (sometimes over 100 years) of surface temperatures available from meteorological monitoring stations in the Unites States can be … more

metRology Software Project
Last Updated Date: 04/15/2015

The goal of the metRology software project is to provide a set of specialized functions for statistical metrology as a package for the R software … more

Measurement Science for Complex Information Systems
Last Updated Date: 04/03/2015

This project aims to develop and evaluate a coherent set of methods to understand behavior in complex information systems, such as the Internet, … more

Pressure
Last Updated Date: 04/03/2015

 The NIST Thermodynamic Metrology Group (TMG) provides critical research into pressure measurement capabilities improving uncertainties in user … more

Absolute Ag108 Characterization Based on Gamma-Gamma Coincident Detection by Two Nai (TI) Detectors
Last Updated Date: 04/02/2015

A two-dimensional analysis of three coincident gamma-rays in 108 Ag m decay, detected by two NaI(Tl) scintillation detectors, allows a direct … more

Applications of Diagnostic X-ray Spectrometers
Last Updated Date: 04/02/2015

The Dosimetry Group designs, fabricates, and calibrates bent-crystal optics and diagnostic spectrometers for customers around the world. more

Cell Measurements
Last Updated Date: 04/02/2015

This is the summary for cell measurements.

ERCC
Last Updated Date: 03/31/2015

Therapies for diseases like cancer are based on information found in a patient's DNA, and their effectiveness relies on the ability to complete an … more

metRology for Microsoft Excel Software Project
Last Updated Date: 03/26/2015

The goal of the metRology for Microsoft Excel* software project is to provide a convenient user interface using Microsoft Excel for some of the … more

Fluid Suspensions & Emulsions
Last Updated Date: 02/06/2015

We are trying to help take colloidal rheology understanding beyond uniformly charged spheres to particles with more complex interactions, through … more

Vapor Characterization
Last Updated Date: 01/28/2015

A vapor is a fluid that develops (and will always be formed) above a condensed phase such as a solid or liquid. Understanding vapors is critical … more

Working/Functional Fluids
Last Updated Date: 01/28/2015

The conversion of primary energy (e.g. heat generated by the combustion of a fuel) into useful work most often involves a working fluid operating … more

Standard Reference Fluid Measurements
Last Updated Date: 01/28/2015

Property measurements of the very highest accuracies are important for developing the thermodynamic and transport property models for working … more

Proficiency Test Results
Last Updated Date: 01/28/2015

Proficiency Test (PT) results are available at no cost to customers who have tested SRMs 2092, 2096, and 2098.   A PT result serves as a means to … more

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