Design definition of the laser atmospheric wind sounder (LAWS) phase II. by

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Published by Lockheed Missiles & Space Company, National Aeronautics and Space Administration, National Technical Information Service, distributor in Huntsville, AL, [Washington, DC, Springfield, Va .

Written in English

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Subjects:

  • Lasers in astronautics.

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Book details

Series[NASA contractor report] -- NASA CR-192428., NASA contractor report -- NASA CR-192428.
ContributionsUnited States. National Aeronautics and Space Administration.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL14706599M

Download Design definition of the laser atmospheric wind sounder (LAWS)

Definition and Preliminary Design of the LAWS Laser Atmospheric Wind Sounder PHASE I FINAL REPORT VOLUME III PROGRAM COST ESTIMATES Date: 3/26/90 (Final Submission: 5/15/90) Contract Number: NAS GE Astro Soace Huahes Danbury SPectra Technoloav.

Get this from a library. Definition and preliminary design of the Laser Atmospheric Wind Sounder, LAWS: phase II, final report. [George C.

Marshall Space Flight Center.;]. This report presents the final results of the month Phase II Design Definition and month laser breadboard efforts for the Laser Atmospheric Wind Sounder (LAWS). This work was performed for the Marshall Space Flight Center (MSFC) by Lockheed Missiles & Space Company, Inc., Huntsville, Alabama, under Contract NAS The Laser Atmospheric Wind Sounder-Preliminary Design Petheram, J.

C.; Shanley, J. F.; Sroga, J. T.; Vitz, R. C.; Wissinger, A. B.; Lawrence, T. Three potential techniques for making wind measurements from space are discussed, and coherent detection Doppler lidar potential techniques measurements from space are discussed, and coherent detection Doppler lidar chosen for.

The impact of different laser transmitter wavelengths on the design of a Doppler lidar are considered. Specifically covered in the paper are coherent detection systems based on the μm Tm:Ho:YAG laser and the μm 12C laser. Both systems engineering aspects and subsystem impacts are by: 5.

Cost estimates for phase C/D of the laser atmospheric wind sounder (LAWS) program are presented. This information provides a framework for cost, budget, and program planning estimates for LAWS.

Volume 3 is divided into three sections. Section 1 details the approach taken to produce the cost figures, including the assumptions regarding the schedule for phase C/D and the methodology and. The steps and engineering trades and analyses used in establishing the initial requirements and in developing a concept and configuration for the laser atmospheric wind sounder (LAWS) instrument.

A summary of the performance anticipated from the baseline configuration, and a. Abstract. The value and use of wind field measurements in environmental and Earth system science is discussed as an introduction.

A brief overview or remote sensing techniques which can be used for wind field measurements is then included to provide a context for evaluating the particular characteristics of Doppler lidar which enhance wind measurement capability. PREFACE 1. Abstract The proposed Lidar Atmospheric Wind Sounder (LAWS) will provide the geophysical research and operations communities with the first space-based set of directly measured clear-line-of- sight winds on a global scale.

referred to as laser. Fundamental theories of lasers, their historical development from milliwatts to petawatts in terms of power, operation principles, beam char-acteristics, and applications of laser have been the subject of several books [1–5].

Introduction of lasers, types of laser. Definition and preliminary design of the LAWS (Laser Atmospheric Wind Sounder), volume 2, phase 2. Abstract. Accurate knowledge of winds is critical to our understanding of the earth's climate and to our ability to predict climate change.

Winds are a fundamental component of highly nonlinear interactions between oceans, land surfaces, and. The impact of different laser transmitter wavelengths on the design of a Doppler lidar are considered.

Petheram, J. Shanley, J. Sroga, R. Vitz, A. Wissinger, and T. Lawrence "The Laser Atmospheric Wind Sounder-Preliminary Design", Proc. SPIELaser Applications in Meteorology and Earth and Atmospheric Remote. Get this from a library. Design definition of the laser atmospheric wind sounder (LAWS): phase II.

[George C. Marshall Space Flight Center.; Lockheed Missiles and Space Company,; United States. National Aeronautics and Space Administration,;]. With Application to Laser Doppler Systems" [7], and "Laser Doppler Systems in Atmospheric Turbulence" This work has been combined with an examina- tion of the propagation effects of aerosols in an attempt to more clearly define carbon dioxide transmission losses in an atmospheric path.

INTRODUCTION 1. INTRODUCTION measure The spaceborne Laser Atmospheric Wind Sounder (LAWS) instrument is being designed to measure The spaceborne Laser Atmospheric Wind Sounder (LAWS) instrument is being designed earth's lower atmosphere. The system is required to measure wind profiles wind profiles in the earth's lower atmosphere.

Get this from a library. Design definition of the laser atmospheric wind sounder (LAWS): phase II. [United States. National Aeronautics and Space Administration.;]. The principle of operation of a space based Doppler lidar wind measuring system is discussed along with laser wavelength selection considerations.

Differences in accommodating the Laser Atmospheric Wind Sounder (LAWS) on the Earth Observing System (EOS). It is possible to make wind profiles from space using current technology. These wind profiles are essential for investigating many of the interdisciplinary scientific questions of the Earth Observing System (Eos).

A spaceborne wind sounder, the Laser Atmospheric Wind Sounder (LAWS) has been chosen as a facility instrument on the Eos. This paper discusses the efforts currently underway to.

lower altitudes in the line wings. This property can be exploited to isolate the variability in the lower atmosphere. I 13 Fig. Proposed Laser Sounder Instrument Diagram Previous efforts to develop laser-sounder long-path instruments for atmospheric C02 measurement include work at the pm [5] and 2 pm [6] wavelengths.

We selected the. This report summarizes and documents the results of the month phase 1 work effort. The objective of phase 1 was to establish the conceptional definition of the laser atmospheric wind sounder (LAWS) sensor system, including accommodations analyses to ensure compatibility with the Space Station Freedom (SSF) and the Earth Observing System (EOS) Polar Orbiting Platform (POP).

Laser Sounder Approach for Measuring Atmospheric CO2 from Orbit James B. Abshire, Michael A. Krainak, Xiaoli Sun, Arlyn E. Andrews, G. James Collatz, John F. Burris, Haris Riris, Graham Allan, Gary Duerksen, Anthony Yu, and Amelia M. Gates NASA Goddard.

12 December Laser Atmospheric Wind Sounder (LAWS) Technology Status David J. Wilson, Shelby C. Kurzius, B. Hobson Shirley, W. Montgomery, Carl J. Buczek, Charles DiMarzio. Laser Atmospheric Wind Sounder (LAWS) performance analysis.

The results of analyses show that the science requirements for the wind-velocity accuracies of m/sec in the lower troposphere and 5 m/sec in the upper troposphere will be met by the present design of the LAWS system. The paper presents the performance estimates of the LAWS in.

Office space for wind tunnel customers is located adjacent to the wind tunnel circuit and is equipped with personal computer connections and a laser printer.

Customers may bring laptop or personal computers provided arrangements are made in advance. Separate office areas are maintained for data reduction/computer operations and test operations.

LAWS (Laser Atmospheric Wind Sounder): Earth Observing System Volume IIg - Instrument Panel Report on *FREE* shipping on qualifying offers. LAWS (Laser Atmospheric Wind Sounder): Earth Observing System Volume IIg - Instrument Panel ReportManufacturer: NASA.

Laser Atmospheric Wind Sounder. Academic & Science» Ocean Science. Add to My List Edit this Entry Rate it: ( / 6 votes) Definition What does LAWS mean. Torah, Pentateuch, Laws (noun) the first of three divisions of the Hebrew Scriptures comprising the first five books of the Hebrew Bible considered as a unit.

These wind profiles are essential for answering many of the interdisciplinary scientific questions to be addressed by EOS, the Earth Observing System. This report provides guidance for the development of a spaceborne wind sounder, the Laser Atmospheric Wind Sounder (LAWS), discussing the current state of the technology and reviewing the.

discrete pulses of laser light. The three-dimensional coordinates (e.g., x,y,z or latitude, longitude, and elevation) of the target objects are computed from 1) the time difference between the laser pulse being emitted and returned, 2) the angle at which the pulse was.

The early work on space-based lidar winds, such as the Laser Atmospheric Wind Sounder (LAWS), all assumed single -shot wind measurement. The point design parameters of the coherent lidar and mission are given in Table 2.

The azimuth angles and their sequence provided the required collocation of the fore and aft LOS wind pairs at the equator. Get this from a library. Two-micron laser atmospheric wind sounder (LAWS) pointing-tracking study. [Scott Manlief; Langley Research Center.].

Wind tunnels are designed for a specific purpose and speed range and there is a wide variety of wind tunnel types and model instrumentation.

The model to be tested in the wind tunnel is placed in the test section of the tunnel. The speed in the test section is determined by the design. A development status report is presented for the Laser Atmospheric Wind Sounder (LAWS) instrument that is to be carried by both an Earth Observing System polar-orbit satellite and the NASA manned Space Station.

The wind Doppler lidar profiles thus obtained by LAWS will furnish essential information for future numerical weather prediction, large. Wind velocities in the atmosphere are measured in terms of a local Cartesian coordinate system inscribed on a sphere.

At each latitude (ϕ) and longitude λ on a sphere of radius a, the zonal and meridional components of horizontal velocity are defined in the following way (Fig. This phenomenon can significantly impact sound propagation over long distances and when wind speeds are high.

Another factor that can impact sound propagation over long distances is temperature gradients in the atmosphere. On a typical sunny afternoon, air is warmest near the ground and temperature decreases at higher altitudes.

Search the world's most comprehensive index of full-text books. My library. This definition correlates ambience with other associated terms, such as atmosphere, atmos, and background sound.

The resource-rich website suggests that “ambience pertains to the pervading atmosphere of a place.” The website further claims that “ambience is widely used as a synonym for ambient sound, which consists of. A tube anemometer measures the air pressure inside a glass tube that is closed at one end.

By comparing the air pressure inside the tube to the air pressure outside the tube, wind speed can be calculated. Other anemometers work by measuring the speed of sound waves or by shining laser beams on tiny particles in the wind and measuring their effect.

Try the new Google Books. Check out the new look and enjoy easier access to your favorite features. Try it now. Introduction Laser Beam Propagation in the Atmosphere. 1: spectrum spherical statistical strong structure technique term theory transform transverse turbulence valid variance variations wave wind velocity write.

Others reach transonic air speeds (slightly below, through and above the speed of sound), supersonic speeds (much faster than the speed of sound) and hypersonic speeds (more than five times the speed of sound).

Some of NASA's wind tunnels are equipped with lasers for a technique called laser. Laser Atmospheric Wind Sounder.

Academic & Science» Ocean Science. Rate it: LAWS: Legislative Automated Workflow System. Governmental» US Government. Rate it: LAWS: Lease A Web Site. Miscellaneous» Unclassified. Rate it: LAWS: Lethal Autonomous Weapons Systems.

Governmental» Military. Rate it: LAWS: Loudoun Abused Women's Shelter. Onomatopoeia is defined as the formation of a word from a sound associated with what is named (e.g. cuckoo, sizzle). Following is a beginner's guide to onomatopoeic sound effects search words.

Some of these terms can be found in any dictionary, and some are unique to sound effect library naming conventions.Atmospheric interferences come in many forms, but physicists have narrowed the most influential to that of turbulence, atmospheric absorption, and scattering (Perram et al., ).

These atmospheric effects can significantly degrade a laser beam, sometimes diminishing all of .The Atmospheric Infrared Sounder (AIRS) aboard NASA’s Aqua satellite has been in operation since (NASA Earth Observatory map by Joshua Stevens, using AIRS data.) “It is obvious from the global data that understanding what is happening in wetlands, especially tropical wetlands, is critical to understanding global trends,” said.

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