2,083 research outputs found
Oligoclonality of serum-antibodies to exocrine pancreas in Crohn´s disease and to intestinal goblet cells in ulcerative colitis
Attitude-referenced radiometer study. Part 2: Primary calibration system
A primary calibration system, PCS, for infrared radiometers has been developed, built, and tested. The system allows radiometers to be calibrated with less than 1 percent error for use in earth coverage horizon measurements, earth resources surveys, and synoptic meteorological measurement. The final design, fabrication and test of the PCS are reported. A detailed description of the PCS construction is presented, along with the results of a complete series of functional tests. Test to verify the source thermal characteristics, collimator reflectance, and output beam characteristics are described and their results presented
A fluorescent lectin-agarose bead immunoassay for pancreatic autoantigen involved in Crohn´s disease
Bidirectional Sampling Based Search Without Two Point Boundary Value Solution
Bidirectional motion planning approaches decrease planning time, on average,
compared to their unidirectional counterparts. In single-query feasible motion
planning, using bidirectional search to find a continuous motion plan requires
an edge connection between the forward and reverse search trees. Such a
tree-tree connection requires solving a two-point Boundary Value Problem (BVP).
However, a two-point BVP solution can be difficult or impossible to calculate
for many systems. We present a novel bidirectional search strategy that does
not require solving the two-point BVP. Instead of connecting the forward and
reverse trees directly, the reverse tree's cost information is used as a
guiding heuristic for the forward search. This enables the forward search to
quickly converge to a feasible solution without solving the two-point BVP. We
propose two new algorithms (GBRRT and GABRRT) that use this strategy and run
multiple software simulations using multiple dynamical systems and real-world
hardware experiments to show that our algorithms perform on-par or better than
existing state-of-the-art methods in quickly finding an initial feasible
solution.Comment: Journal version (Video: https://youtu.be/Rumg66UHfyQ
- …