We consider the use of spatial filtering algorithms for radio frequency interference (RFI) mitigation in conjunction with a focal plane feed array of electrically small elements. Numerical simulations are used to study the performance of 7 and 19 element hexagonal dipole arrays with a 25 meter reflector at an operating frequency of 1612MHz. Using the maximum-SNR algorithm to generate array weig...

To date, pay-for-performance programs targeting the care of persons with chronic conditions have primarily been directed at physicians and provide an alternative to health plan-sponsored chronic disease management (DM) programs. Both approaches require similar infrastructure, and each has its own advantages and disadvantages for program implementation. Pay-for-performance programs use incentive...

Residual feed intake (RFI) is an increasingly used trait to analyze efficiency in livestock, and some sectors such as dairy cattle, it one of the most frequently traits. Although principle for calculating RFI always same (i.e., using residual a regression on performance predictors), wide range models are found literature, with different predictors, ways considering intake, more recently, statis...

There is evidence that global visual context affects orientation perception in later stages of processing than local context. We measured the relative time courses of two orientation illusions: The Tilt Illusion (TI) involves dense gratings in close proximity; the Rod and Frame Illusion (RFI) involves a solitary bar surrounded by a distant frame. We also varied whether the context was flashed b...

By comparing the disadvantages and advantages of conventional algorithms of adaptive beamformer, we put forward an adaptive beamformer based on weight iterative algorithm for suppressing radio frequency interference (RFI), according to the distributing properties of RFI in different range cell. We get the initial weight vector of the adaptive beamformer by utilizing the algorithm of minimum var...

Taxonomic studies were made on Streptomyces species, causal organisms of potato common scab, isolated from lesions of potato tubers and sugar beet roots in Japan. They were divided into two groups based on the spore chain morphology: spiral spore chain isolates (SI) group and rectiflexible spore chain isolates (RFI) one. Although the two groups did not significanlty differ each other in their p...

Exploring the transient radio sky is one of the major science drivers for several upcoming and planned radio telescopes, including the Square Kilometer Array (SKA). The detection of transient signals, particularly of relatively short durations, can however be considerably hampered by the prevalent and ever growing problem of radio frequency interference (RFI) in radio astronomy. With the goal o...

Classically difficult positioning environments have always called for some augmentation technology to assist the Global Positioning System (GPS). “Locata” offers augmentation, and even replacement, to GPS in such environments. However, like any other system relying on wireless technology, a Locata positioning network faces issues in the presence of RF interference (RFI). This problem magnifies ...

Nascent replicative form type II (RFII) DNA of coliphage M13 synthesized in an Escherichia coli mutant deficient in the 5' leads to 3' exonuclease associated uith DNA polymerase I contains ribonucleotides that are retained in the covalently closed RFI DNA sealed in vitro by the joint action of T5 phage DNA polymerase and T4 phage DNA ligase. These RFI molecules are labile to alkali and RNase H,...

Selection for improved feed efficiency in cattle would decrease the amount of feed consumed for the same or greater levels of production resulting in enhanced profitability and sustainability. Selection for feed efficient cattle has been hampered by a lack of phenotypic data on feed intake and weights from cattle in production due to the cost and difficulty in collecting these data. The aim of ...