ABSTRACT The rotation of a magnetized accreting neutron star (NS) in binary system is described by its spin period and two angles: inclination α with respect to the orbital momentum magnetic angle χ between moment. Magnetospheric accretion spins NS up adjusts axis, decreasing nearly perfect alignment. Its effect upon more subtle relatively unstudied. In this work, we model evolution rigid spher...

In the present study, problems of diffraction and radiation water waves by a cylindrical heaving wave energy converter (WEC) placed in front reflecting V-shaped vertical breakwater are formulated. The idea conceived is based on possible exploitation amplified scattered reflected potentials originating from presence breakwater, towards increasing WEC’s power absorption due to reflections. An ana...

To study the radar characteristics of tiltrotor aircraft when considering rotor rotation and tilting actions, a dynamic calculation method (DCM) based on physical optics theory diffraction is presented. The results show that cross section single periodic it rotates, while increasing speed can shorten this period. At fixed tilt angle, overall cabin plus still exhibits various at different azimut...

Magnetic clouds are a subset of interplanetary coronal mass ejections characterized by a smooth rotation in the magnetic field direction, which is interpreted as a signature of a magnetic flux rope. Suprathermal electron observations indicate that one or both ends of a magnetic cloud typically remain connected to the Sun as it moves out through the heliosphere. With distance from the axis of th...

Abstract Quantum sensing exploits the strong sensitivity of quantum systems to measure small external signals. The nitrogen-vacancy (NV) center in diamond is one most promising platforms for real-world applications, predominantly used as a magnetometer. However, its magnetic field vanishes when bias acts perpendicular NV axis. Here, we introduce different strategy assisted by nitrogen nuclear s...

The authors investigated the dynamics of steering and obstacle avoidance, with the aim of predicting routes through complex scenes. Participants walked in a virtual environment toward a goal (Experiment 1) and around an obstacle (Experiment 2) whose initial angle and distance varied. Goals and obstacles behave as attractors and repellers of heading, respectively, whose strengths depend on dista...

A method for robot indoor automatic positioning and orientating based on two-dimensional (2D) barcode landmark is proposed. By using the scheme of the 2D barcode for reference, a special landmark is designed which is convenient to operate and easy to recognize, contain coordinates of their absolute positions and have some ability to automatically correct errors. Landmarks are placed over the “c...