SciELO

Study on the penetration of elliptical cross-section projectiles into concrete targets: theory and experiment

To better understand the penetration mechanism of the elliptical cross-section projectile (ECSP) into semi-infinite concrete target, penetration experiments using three types of ECSPs with different ...
IEEE

An FTSA Trajectory Elliptical Homotopy for Unmanned Vehicles Path Planning With Multi-Objective Constraints

Abstract: This article investigates a fixed-time simultaneous arrival (FTSA) problem in terms of the equilibrium of path lengths of unmanned vehicles. A novel trajectory elliptical homotopy method ...
IEEE

Coverage Analysis for Elliptical-Orbit Satellites Based on 2-D Map

Abstract: This article proposes a geometric-based method of the ground-point visibility from a satellite or satellite constellation in elliptical orbit considering the J 2 perturbation. First, the ...
WLOS

Back-to-back supermoons start with October's Harvest Moon

(WLOS) — Tonight marks the beginning of a stretch of back-to-back supermoons that continues into next year. A supermoon is a full moon that occurs at perigee, the location in its elliptical orbit that ...
foxweather

October’s Supermoon is first of 2025: When to see it

Four back-to-back Supermoons will grace the night sky to end the year and start 2026, beginning with the Harvest full Moon this week. The Moon will be at its fullest just before midnight on Tuesday, ...