A generalized likelihood-ratio test (GLRT) detector is derived for detecting a spacetime signal in the presence of unknown subspace interference and unknown target doppler. The near optimality and constant false alarm rate (CFAR) property of the GLRT is shown by the relationship to the uniformly most powerful invariant (UMPI) test using a simple approximation. Examples are presented comparing t...

The presence of soil solids, water, and air complicates understanding unsaturated dynamics. A thorough behavior is essential for the fruitful design slopes, embankments, retaining structures. series constant void ratio confining pressure triaxial compression tests were carried out under water content conditions (pore drained pore undrained) to study shear strength deformation characteristics a ...

Let G be an embedded planar graph whose edges may be curves. The detour between two points, p and q (on edges or vertices) of G, is the ratio between the shortest path in G between p and q and their Euclidean distance. The supremum over all pairs of points of all these ratios is called the geometric dilation of G. Our research is motivated by the problem of designing graphs of low dilation. We ...

Abstract: We have resorted to a modified form of Modified Newtonian Dynamics (MOND) account for galactic rotation curves, as possible alternative the dark-matter paradigm, by assuming that either (i) gravitational constant is function distance scale, or, (ii) gravitational-to-inertial mass ratio scale. used linear approximation each function, from which two new parameters appeared be determined...

In view of the lack rate decline prediction model acid-fracturing vertical wells (AFVWs) in pore-cavity-fracture carbonate reservoirs, a AFVWs with consideration wormholes and fractures generated by acid fracturing is established using idea compound reservoir. Acid significantly increases well productivity early period, but late its impact on instantaneous cumulative production almost disappear...