Application of dual-beam and split-beam target tracking in fisheries acoustics

Dosimetric Evaluation of Target Volume in Breast Boost Radiotherapy: Comparison of Electron and Photon Beam

Background and purpose: Breast‑conserving surgery followed by radiation therapy to the whole breast is now recognized as a standard strategy in patients with breast cancer. Recommended technique for radiotherapy is whole breast irradiation followed by boost to the tumor bed. This study aimed to compare the dosimetric parameters of electron and photon beams for boosting irradia­tion in post‑lump...

A New Modified Particle Filter With Application in Target Tracking

The particle filter (PF) is a novel technique that has sufficiently good estimation results for the nonlinear/non-Gaussian systems. However, PF is inconsistent that caused mainly by loss of particle diversity in resampling step and unknown a priori knowledge of the noise statistics. This paper introduces a new modified particle filter called adaptive unscented particle filter (AUPF) to overcome th...

Scanned Ion Beam Therapy of Moving Targets with Beam Tracking

Beam misalignments and fluid velocities in laser-induced thermal acoustics.

Beam misalignments and bulk fluid velocities can influence the time history and intensity of laser-induced thermal acoustics (LITA) signals. A closed-form analytic expression for LITA signals incorporating these effects is derived, allowing the magnitude of beam misalignment and velocity to be inferred from the signal shape. It is demonstrated how instantaneous, nonintrusive, and remote measure...

Fast adaptation of ion beam range for beam tracking: beam characterization∗

An ion-optical based fast adaptation of ion beam range for the treatment of moving targets with beam tracking was investigated. The method employs a deflection of the ion beam on a small single wedge-degrader positioned between two bending magnets for range adaptation [1, 2]. A prototype system was implemented at the therapy beam line at GSI and beam parameters of energy-adapted beams were char...