Dr. John Schroeder
President and Sales Representative at Ontar Corporation
SPIE Involvement:
Author | Instructor
Publications (15)

PROCEEDINGS ARTICLE | November 8, 2014
Proc. SPIE. 9259, Remote Sensing of the Atmosphere, Clouds, and Precipitation V
KEYWORDS: Data modeling, Aerosols, Remote sensing, Molecules, Spectral resolution, Atmospheric sensing, Atmospheric sciences, Atmospheric particles, Atmospheric modeling, Electro optical modeling

PROCEEDINGS ARTICLE | June 5, 2013
Proc. SPIE. 8706, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXIV
KEYWORDS: Visual process modeling, Sensors, Aerosols, Sensor performance, Atmospheric sensing, Performance modeling, Thermal modeling, Atmospheric modeling, Electro optical modeling, NVThermIP

PROCEEDINGS ARTICLE | May 2, 2007
Proc. SPIE. 6557, Head- and Helmet-Mounted Displays XII: Design and Applications
KEYWORDS: 3D acquisition, Visualization, Computer simulations, 3D modeling, Light sources and illumination, Virtual reality, Heads up displays, Atmospheric modeling, Night vision goggles, DirectX

PROCEEDINGS ARTICLE | September 1, 2006
Proc. SPIE. 6303, Atmospheric Optical Modeling, Measurement, and Simulation II
KEYWORDS: Visual process modeling, Data modeling, Fiber optic gyroscopes, Image processing, Computer simulations, Clouds, Head, Heads up displays, Atmospheric modeling, Night vision goggles

PROCEEDINGS ARTICLE | October 18, 2004
Proc. SPIE. 5552, Target-in-the-Loop: Atmospheric Tracking, Imaging, and Compensation
KEYWORDS: Atmospheric propagation engineering, Laser beam propagation, Wave propagation, Turbulence, Scintillation, Atmospheric turbulence, Atmospheric propagation, Atmospheric modeling, Atmospheric scintillation, Atmospheric optics

PROCEEDINGS ARTICLE | September 5, 2003
Proc. SPIE. 5075, Targets and Backgrounds IX: Characterization and Representation
KEYWORDS: Thermography, Data modeling, Sensors, Remote sensing, Meteorology, Atmospheric sensing, Climatology, Thermal modeling, Atmospheric modeling, Electro optical modeling

Showing 5 of 15 publications
Course Instructor
SC1137: Atmospheric Codes (MODTRAN, FASCODE, and HITRAN) for Sensor Development and Evaluation
Passive and active sensors are developed for target acquisition and spectroscopic analysis ranging from the ultraviolet through the microwave region. Accurate atmospheric absorption and emission (path radiance) values are essential for sensor development. This data is obtained using MODTRAN, often used in conjunction with NVThermIP, and other sensor software. HITRAN and FASCODE are used for laser applications. Emphasis will be placed on solving real world problems. Four typical scenarios will be presented: ground-to-ground, ground-to-air, air-to- air and ground-to-space scenarios. The importance of transmission and radiance for each scenario will be discussed. The students are encouraged to bring their specific scenarios to the course to be setup and run. A computer will be available and we will run these scenarios and discuss the results. The attendees will be able to take home model input files to be used at their facilities. We will discuss their cases along with the expected transmission and atmospheric radiance values.
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