Results 51 to 60 of about 864,740 (268)
Active Antenna for the VLF to HF Observer [PDF]
A simple and low cost method of fabricating an active antenna preamplifier system covering the range of 10 KHz to 10 MHz for use with tunable communications receivers is described.
Burhans, R. W.
core +1 more source
Index to 1984 NASA Tech Briefs, volume 9, numbers 1-4 [PDF]
, 1987 Short announcements of new technology derived from the R&D activities of NASA are presented. These briefs emphasize information considered likely to be transferrable across industrial, regional, or disciplinary lines and are issued to encourage ...
core +1 more source
In Field Application of an Innovative Sensor for Monitoring Road and Runway Surfaces [PDF]
, 2009 Water and ice detection over road and runway surfaces is important to improve traffic safety and to reduce maintenance costs. An innovative low cost capacitive sensor was endowed with an algorithm based on the time derivative of the measured capacitance ...
Mesin, Luca +2 more
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Organic Representation as a Critical Media Approach to Leadership Studies in Popular Culture
New Directions for Student Leadership, Volume 2025, Issue 185, Page 75-80, Spring 2025.ABSTRACT This article applies the critical media concept of organic representation to leadership studies as an analytic of how various creators in popular culture today are not just writing inclusive storytelling but, more notably, modeling new modes of production and self‐presentation that are actively challenging hegemonic industry practices and ...
Raffi Sarkissian
wiley +1 more source
Phase linear interferometer experiment maintenance and calibration manual [PDF]
This manual describes the necessary procedures for assuring continuous lightning sferics data collection at Marshall Space Flight Center. The phase linear interferometer experiment is under evaluation as a candidate RF sensor to support the space based ...
Goodman, S. J.
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A Low Cost Real-Time Transient Recorder for High Voltage Systems. [PDF]
Sensors (Basel), 2023 Grebović S +5 more
europepmc +1 more source
High Voltage, EarlyView.ABSTRACT Power grid is an indispensable infrastructure in modern society, in order to ensure the normal operation of the grid, online non‐contact monitoring of high‐voltage lines is essential. In this work, a ‘capacitor–laser diode (LD)–capacitor’ structure, namely, laser diode in capacitors (LDIC), that can be used for non‐contact monitoring of high ...
Pengpeng Wang +10 more
wiley +1 more source
Study of design parameters of explosive initiators with respect to space environments Final report [PDF]
Environmental hazards to explosives and explosive triggering devices encountered on manned space ...
Amicone, R. G., Mohrbach, P. F.
core +1 more source
Influences of the Presence of a Tall Grounded Strike Object and an Upward Connecting Leader on Lightning Currents and Electromagnetic Fields [PDF]
, 2007 Yoshihiro Baba, Vladimir A. Rakov
openalex +1 more source