Fog Bank Detector Field Tests : A Technical Summary

Lifsitz, Jack R.; Yaffee, Melvin Y.; John A. Volpe National Transportation Systems Center, (U.S.)

Advanced Search

Select up to three search categories and corresponding keywords using the fields to the right. Refer to the Help section for more detailed instructions.

Search our Collections & Repository

Advanced Search
Custom Query

All these words:

For very narrow results

This exact word or phrase:

When looking for a specific result

Any of these words:

Best used for discovery & interchangable words

None of these words:

Recommended to be used in conjunction with other fields

Language:

Dates

Publication Date Range:

to

Document Data

Title:

Document Type:

Library

Collection:

Series:

People

Author:

Clear All

Query Builder

Query box

Clear All

For additional assistance using the Custom Query please check out our Help Page

i

Fog Bank Detector Field Tests : A Technical Summary

1971-12-01
By Lifsitz, Jack R. ; Yaffee, Melvin Y.

[PDF-1.22 MB]

English

Details You May Also Like

Details:

Creators:

Lifsitz, Jack R. ; Yaffee, Melvin Y.

Lifsitz, Jack R. ; Yaffee, Melvin Y. Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center, (U.S.)
Subject/TRT Terms:

[+]

Backscattering Fog Infrared Detectors Lasers Optical Detectors Optical Radar Performance Radiometers Reliability
Publication/ Report Number:

DOT-TSC-USCG-72-2
Resource Type:

Tech Report
Geographical Coverage:

California
Corporate Publisher:

United States. Coast Guard
NTL Classification:

NTL-MARINE/WATERWAYS TRANSPORTATION-U.S. Coast Guard;NTL-MARINE/WATERWAYS TRANSPORTATION-Ships and Vessels;NTL-MARINE/WATERWAYS TRANSPORTATION-Marine Safety;
Abstract:

The report summarizes the results of field experiments performed at Pt. Bonita, California. The system under study, a laser LIDAR and a vertical-scanning infrared radiometer, have been discussed in detail in Report No. DOT-TSC-CG-71-3. Measurements of the peak power and shape of the return LIDAR pulse, and of the background levels, support the assumptions made in that report. The largest value of background spectral radiance measured, when a sunlit cloud fills the LIDAR receiver field-of-view, is 2 micro w/sq cm/A/sr (at 6943A). The infrared radiometer was found to be susceptible to ambiguities serious enough to eliminate this method from use as a reliable fog detector at the present time. Based on the laser backscatter results, a LIDAR fog bank detector, using a GaAlAs laser diode array as the transmitting source, is recommended and conclusions regarding its technical performance are presented.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:d77b00ed7ae8ae82c2b20e974b0b3ef7090ea604216212d3739edd7e64682efb
Download URL:

https://rosap.ntl.bts.gov/view/dot/11582/dot_11582_DS1.pdf
File Type:

No Additional Files

More +

Fog Bank Detector Field Tests : A Technical Summary

Details:

Supporting Files

You May Also Like