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Articles 1 - 11 of 11
Full-Text Articles in Physical Sciences and Mathematics
Digital Demodulator-Correlator, James C. Fletcher, James W. Layland, Warren L. Martin, Arthur I. Zygielbaum, Richard M. Goldstein, William P. Hubbard
Digital Demodulator-Correlator, James C. Fletcher, James W. Layland, Warren L. Martin, Arthur I. Zygielbaum, Richard M. Goldstein, William P. Hubbard
School of Natural Resources: Faculty Publications
Apparatus for demodulation and correlation of a code modulated 10 MHz signal is comprised of a sample and hold analog-to-digital (A/D) converter synchronized by a frequency coherent 40 MHz pulse to obtain four evenly spaced samples A1,B1A2 and B2 of each cycle of the signal, and means for adding, or subtracting, each sample to, or from, one of four accumulators to form the sums:
SI, = (A1-A2) M1
Sia=; (A1-A2) M2
S2, = (B1 - B2) M1
S2= (B1-B2) M2
where
M1 = 10 MHz Reference . Receiver Code A0' M2 = 10 MHz. Reference . Receiver Code A90'
M2 …
The Dietary Effects Of Rana Catesbeiana Larvae On Micropterus Salmoides, Eric Jon Evenson
The Dietary Effects Of Rana Catesbeiana Larvae On Micropterus Salmoides, Eric Jon Evenson
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Production Rates Of Benthic Insects In A Turbid Reservoir, John C. Lund
Production Rates Of Benthic Insects In A Turbid Reservoir, John C. Lund
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
The Phosphorus Dynamics Of A Eutrophic Prairie Reservoir, John F. Bender
The Phosphorus Dynamics Of A Eutrophic Prairie Reservoir, John F. Bender
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Turbulent Transfer Over An Irrigated Crop Under Conditions Of Sensible Heat Advection, Raymond P. Motha
Turbulent Transfer Over An Irrigated Crop Under Conditions Of Sensible Heat Advection, Raymond P. Motha
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Movements And Activity Patterns Of The Plains Pocket Gopher (Geomys Bursarius) In Nebraska, Dallas Virchow
Movements And Activity Patterns Of The Plains Pocket Gopher (Geomys Bursarius) In Nebraska, Dallas Virchow
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Local And Regional Components Of Sensible Heat Advection, Thomas W. Brakke, Shashi B. Verma, Norman J. Rosenberg
Local And Regional Components Of Sensible Heat Advection, Thomas W. Brakke, Shashi B. Verma, Norman J. Rosenberg
School of Natural Resources: Faculty Publications
Detailed knowledge of the advection of sensible heat is necessary to understand the energy balance of the evaporating surface in many parts of the world. Sensible hear advection can result from regional and/or local sources. The local and regional components of sensible heat advection (Aloc and Areg, respectively) are identified and their magnitudes in a semi-arid to sub-humid zone are established in the work reported here. Measurements of dry- and wet-bulb air temperature, wind speed and net radiation were made above an irrigated alfalfa field with relatively dry surrounding upwind at Mead, NE. A modified Bowen ratio-energy balance method which …
Shelter Effects On Growth And Yield Of Corn - Nebraska, U.S.A., James R. Brandle
Shelter Effects On Growth And Yield Of Corn - Nebraska, U.S.A., James R. Brandle
School of Natural Resources: Faculty Publications
No abstract provided.
Turbulent Exchange Coefficients For Sensible Heat And Water Vapor Under Advective Conditions, Shashi Verma, Norman J. Rosenberg, Blaine L. Blad
Turbulent Exchange Coefficients For Sensible Heat And Water Vapor Under Advective Conditions, Shashi Verma, Norman J. Rosenberg, Blaine L. Blad
School of Natural Resources: Faculty Publications
Results are presented of micrometeorological measurements made over alfalfa and soybeans under conditions of sensible heat advection at Mead, Neb. The sensible heat advection phenomenon reported here is of a regional rather than a local nature. The exchange coefficient for sensible heat (Kh) is found to be generally greater than the exchange coefficient for water vapor (Kw). This result contradicts the usaul assumption of equality of Kh and Kw under nonadvection (lapse or unstable) conditions when the net transfer of both sensible heat and water vapor are away from the earth's surface. Under advective conditions, however, heat and water vapor …
Extreme Evapotranspiration By Irrigated Alfalfa: A Consequence Of The 1976 Midwestern Drought, Norman J. Rosenberg, Shashi Verma
Extreme Evapotranspiration By Irrigated Alfalfa: A Consequence Of The 1976 Midwestern Drought, Norman J. Rosenberg, Shashi Verma
School of Natural Resources: Faculty Publications
The rate of evapotranspiration by irrigated alfalfa at Mead, NE (41°09'N; 96°30'W, elevation 354 m) reached record levels in 1976. Evapotranspiration was measured with precision weighing lysimeters in a field 1.9 ha in size. Evapotranspiration ranged during the growing season from 4.75 to 14.22 mm day–1 and exceeded 10 mm day–1 on one-third of the days studied. On each day of study the ratio of latent heat flux density (LE) to the sum of the net radiation and soil heat flux densities (Rn+S) was such that LE/ (Rn+S) > 1, indicating the occurrence of significant sensible heat advection. On …
Social And Spatial Relationships Of Coyote Families And Neighboring Coyotes, Althoff D. P.
Social And Spatial Relationships Of Coyote Families And Neighboring Coyotes, Althoff D. P.
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.