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Articles 17881 - 17910 of 18493
Full-Text Articles in Entire DC Network
The Influence Of Retarding Admixtures On The Drying Shrinkage Of Concrete : Interim Report, William Lee Dolch, Charles F. Scholer
The Influence Of Retarding Admixtures On The Drying Shrinkage Of Concrete : Interim Report, William Lee Dolch, Charles F. Scholer
JTRP Technical Reports
No abstract provided.
Soil Stabilization For Erosion Control : Interim Report, Sidney Diamond, Mitsunori Kawamura
Soil Stabilization For Erosion Control : Interim Report, Sidney Diamond, Mitsunori Kawamura
JTRP Technical Reports
No abstract provided.
Rtor: Warrants And Benefits, Ronald L. May
Rtor: Warrants And Benefits, Ronald L. May
JTRP Technical Reports
No abstract provided.
Analysis Of Driver Reaction To Warning Devices At A High-Accident Rural Grade Crossing, Eugene Robert Russell
Analysis Of Driver Reaction To Warning Devices At A High-Accident Rural Grade Crossing, Eugene Robert Russell
JTRP Technical Reports
No abstract provided.
A Questionnaire-Aided Assessment Of The State Of The Art For Compacted Shale Embankments : Technical Paper, David Robert Chapman, Leonard E. Wood
A Questionnaire-Aided Assessment Of The State Of The Art For Compacted Shale Embankments : Technical Paper, David Robert Chapman, Leonard E. Wood
JTRP Technical Reports
No abstract provided.
A Recommended Procedure For The Determination Of Dynamic Modulus Of Asphalt Mixtures : Technical Paper, Larry L. Yeager, Leonard E. Wood
A Recommended Procedure For The Determination Of Dynamic Modulus Of Asphalt Mixtures : Technical Paper, Larry L. Yeager, Leonard E. Wood
JTRP Technical Reports
No abstract provided.
Destination Choice Modelling And Disaggregate Analysis Of Urban Travel Behavior, Joseph Addo Ansah
Destination Choice Modelling And Disaggregate Analysis Of Urban Travel Behavior, Joseph Addo Ansah
JTRP Technical Reports
No abstract provided.
Parallel Algorithms For Adaptive Quadrature Ii - Metalgorithm Correctness, John R. Rice
Parallel Algorithms For Adaptive Quadrature Ii - Metalgorithm Correctness, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Urban Land-Use Mapping By Machine Processing Of Erts-1 Multispectral Data: A San Francisco Bay Area Example, Richard Ellefsen, Philip H. Swain, James R. Wray
Urban Land-Use Mapping By Machine Processing Of Erts-1 Multispectral Data: A San Francisco Bay Area Example, Richard Ellefsen, Philip H. Swain, James R. Wray
LARS Symposia
Results are promising of an experiment to map land use in an urban area by automatic digital processing of ERTS-1 data. Computer-maps of a large segment of the San Francisco-Oakland and San Jose Urbanized Areas have been produced at a scale of 1:24,000 using a segment of an ERTS-l frame reformatted to correct skewness and scale. An area of some 6,500 square kilometers was also mapped at 1:48,000 (a one-fourth sample). For both scales, urban areas were separated from rural -- using a photo interpretation procedure -- to solve problems of the spectral similarity of functionally different land uses and …
Analysis Of Remotely Sensed Data For Detecting Soil Limitations, L. A. Benson, C. J. Frazee, F. A. Waltz
Analysis Of Remotely Sensed Data For Detecting Soil Limitations, L. A. Benson, C. J. Frazee, F. A. Waltz
LARS Symposia
During 1971 and 1972 a detailed study was conducted on a fallow field in the proposed Oahe Irrigation Project to determine the relationship between the tonal variation observed on aerial photographs and the properties of eroded soil. Correlation and regression analysis of digitized, multiemulsion, color infrared film (2443) data and detailed field data revealed a highly significant correlation between film transmittance and several soil properties indicative of the erosion limitation. Computer classification of the multiemulsion film data resulted in maps portraying the eroded soil and the normal soil. Both correlation and computer classification results were best using the reflectance data …
Mapping Soil Associations Using Erts Mss Data, Jan E. Cipra
Mapping Soil Associations Using Erts Mss Data, Jan E. Cipra
LARS Symposia
Multispectral imagery from ERTS was compared to a soil association map-of Tippecanoe County, Indiana, based on a conventional field survey. Three methods of processing single and multiple wavelength bands were applied to imagery collected on three dates. Correction of geometric distortions in computer-processed imagery was investigated. Four to six groupings of soil associations could be delineated on ERTS imagery. Some associations were more readily delineated using visible wavelengths, some more readily delineated using infrared wavelengths. In general, MSS band 7 was found to give more soils information than MSS band s. Imagery of single wavelength bands displayed on a television …
Prefix Codes, Trees And Automata, Jean-Louis Lassez
Prefix Codes, Trees And Automata, Jean-Louis Lassez
Department of Computer Science Technical Reports
No abstract provided.
On The Management And Processing Of Earth Resources Information, C. W. Skinner, R. C. Gonzalez
On The Management And Processing Of Earth Resources Information, C. W. Skinner, R. C. Gonzalez
LARS Symposia
The basic concepts of a recently-completed large-scale earth resources information system plan are reported. Attention is focused throughout the paper on the information management and processing requirements. After the development of the principal system concepts, a model system for implementation at the state level is discussed.
Numerical Classification Procedures, Glen C. Gustafson
Numerical Classification Procedures, Glen C. Gustafson
LARS Symposia
A number of up-to-date numerical classification techniques are described. These include the orthogonal and oblique factor analysis methods, and the unweighed pair-group cluster analysis procedure. The techniques are applied to morphometric data from 159 small drainage basins from two geographical regions. Transformation techniques to achieve the normal distribution with respect to symmetry are applied.
Classification Of Turbidity Levels In The Texas Marine Coastal Zone, E. A. Weisblatt, J. B. Zaitzeff, C. A. Reeves
Classification Of Turbidity Levels In The Texas Marine Coastal Zone, E. A. Weisblatt, J. B. Zaitzeff, C. A. Reeves
LARS Symposia
.The unsupervised Iterative Self-Organizing Clustering System (ISOCLS) and the supervised Earth Resources Interactive Processing System (ERIPS) were used to detect, delineate and classify near-surface turbidity patterns in the Galveston and Trinity Bays, Texas and adjacent coastal waters. Data used in the analysis was ERTS-l Multispectral Scanner (MSS) digital data in the visible spectral bands from 0.5 to 1.1 micrometers, and related in situ water measurements.
Theoretical considerations suggest that because solar radiation attenuates with water depth and water constituents as a function of wavelength, classification of turbidity levels based on spectral characteristics is a classification based on spectral signatures from …
On Program Volume And Program Modularization, Rudolf Bayer
On Program Volume And Program Modularization, Rudolf Bayer
Department of Computer Science Technical Reports
No abstract provided.
Parallel Algorithms For Adaptive Quadrature - Convergence, John R. Rice
Parallel Algorithms For Adaptive Quadrature - Convergence, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Specification And Design Of An Information System Using Computer Aided Analysis, J. F. Nunamaker
Specification And Design Of An Information System Using Computer Aided Analysis, J. F. Nunamaker
Department of Computer Science Technical Reports
No abstract provided.
A Study Of Decompiling Machine Language Into High-Level Machine Independent Languages, Barron Cornelius Housel
A Study Of Decompiling Machine Language Into High-Level Machine Independent Languages, Barron Cornelius Housel
Department of Computer Science Technical Reports
No abstract provided.
Magnetic Tape Portability, James Alf Iverson
Magnetic Tape Portability, James Alf Iverson
Department of Computer Science Technical Reports
No abstract provided.
The Monadic Second-Order Theory Of Ordinals W Sub 2, J. Richard Buchi, Charles Zaiontz
The Monadic Second-Order Theory Of Ordinals W Sub 2, J. Richard Buchi, Charles Zaiontz
Department of Computer Science Technical Reports
No abstract provided.
Design And Performance Of Continuously Reinforced Concrete Pavements, Eldon J. Yoder, Asif Faiz
Design And Performance Of Continuously Reinforced Concrete Pavements, Eldon J. Yoder, Asif Faiz
Purdue Road School
No abstract provided.
The Highway Safety Program And The Traffic Engineer, H. Milton Heywood
The Highway Safety Program And The Traffic Engineer, H. Milton Heywood
Purdue Road School
No abstract provided.
Small City Traffic Improvements Developed From Accident Analysis, Paul C. Box
Small City Traffic Improvements Developed From Accident Analysis, Paul C. Box
Purdue Road School
No abstract provided.
Back Cover, Purdue Road School
Modeling A Large Online File System, John Pomeranz
Modeling A Large Online File System, John Pomeranz
Department of Computer Science Technical Reports
No abstract provided.
Atmospheric Effects On Radiation Measurements, G. M. Jurica
Atmospheric Effects On Radiation Measurements, G. M. Jurica
LARS Technical Reports
Already during this course you have heard occasional references to the effect of the atmosphere upon radiation measurements obtained by remote sensing techniques. Usually the indication was that in some way the atmosphere acted to limit the quantity and quality of information available to the measuring system.
In certain respects this is a quite valid assessment of atmospheric processes. In fact, it is possible to envision the atmosphere as performing a dual role: 1) by acting as a generator it can introduce a spurious signal into the measured quantities, and 2) by acting as an unwanted filter the atmosphere can …
The Uniform Soybean Tests: Northern States 1973, R. L. Bernard
The Uniform Soybean Tests: Northern States 1973, R. L. Bernard
Uniform Soybean Tests Northern Region
No abstract provided.
Mapping Soil Associations Using Erts Mss Data, J. E. Cipra
Mapping Soil Associations Using Erts Mss Data, J. E. Cipra
LARS Technical Reports
Multispectral imagery from ERTS was compared to a soil association map of Tippecanoe County, Indiana, based on a conventional field survey. Three methods of processing single and multiple wavelength bands were applied to imagery collected on three dates. Correction of geometric distortions in computer-processed imagery was investigated. Four to six groupings of soil associations could be delineated on ERTS imagery. Some associations were more readily delineated using visible wavelengths, some more readily delineated using infrared wavelengths. In general, MSS band 7 was found to give more soils information than MSS band 5. Imagery of single wavelength bands displayed on a …
A Linear Shift-Invariant Image Preprocessing Technique For Multispectral Scanner Systems, C. D. Mcgillem, T. E. Riemer
A Linear Shift-Invariant Image Preprocessing Technique For Multispectral Scanner Systems, C. D. Mcgillem, T. E. Riemer
LARS Technical Reports
A linear shift-invariant image preprocessing technique is examined which requires no specific knowledge of any parameter of the original image and which is sufficiently general to allow the effective radius of the composite imaging system to be arbitrarily shaped and reduced, subject primarily to the noise power constraint. In addition, the size of the point-spread function of the preprocessing filter can be arbitrarily controlled, thus minimizing truncation errors.