Keyword: Measurements

Briefs: Photonics/Optics
A newly developed laser apparatus verifies that the pointing accuracy requirement of a weapon’s fire control system is met.
Articles: Test & Measurement
Inductive eddy current technology is an extremely versatile non-contact method for measuring an object's position, distance, or vibration.
Articles: Materials
Learn about Repeatability, Resolution, and Response.
Articles: RF & Microwave Electronics

Radio frequency (RF) circuit elements that are traditionally considered to be linear frequently exhibit nonlinear properties that affect the intended...

Articles: Aerospace

There are many advantages to utilizing active electronics versus the passive systems often used in aircraft applications, such as pressure, temperature, and flow sensors....

Articles: Mechanical & Fluid Systems

Turbine flow meters have long been a preferred technology for obtaining precise measurements of fluid flow in the aerospace industry. In addition to their high...

Briefs: Physical Sciences

A high-speed imaging system has been devised as a noninvasive means of collecting data on the kinematics of working models of developmental underwater or aerial vehicles that would utilize...

Briefs: Physical Sciences
Digital-Image Data Acquisition System for Turbulent Mixing and Combustion

An equipment and instrumentation system for high-speed digital image data acquisition and processing includes components for Planar Laser Induced Fluorescence (PLIF), flame-speed, and ignition and extinction measurements of laminar flames at variable pressure; tracking...

Briefs: Electronics & Computers

A system for noncontact measurement and analysis of vibrations of an electronic circuit board or a similar lightweight, nominally flat, rectangular object has been developed. This...

Briefs: Physical Sciences

The two-transmission method is an improved method of determining, from microwave measurements, the complex permeability and complex permittivity of a sample of a material typified...

Briefs: Electronics & Computers

Engineers are conducting sophisticated performance testing of F-35 Joint Strike Fighter (JSF) antennas at the AFRL Newport Research Facility, New York. Through an agreement with the F-35 Joint Program Office,...