IEEE

Second-Order Synchroextracting Transform With Application to Fault Diagnosis

Abstract: Synchrosqueezing transform (SST) is a currently proposed novel postprocessing time-frequency (TF) analysis tool. It has been widely shown that SST is able to improve TF representation.
The Cipher Brief

How the Iran War Is Reordering the World, Second and Third-Order Effects

William “Chip” Usher is the Senior Director for Intelligence at the Special Competitive Studies Project. Prior to SCSP, Chip served 32 years in the Central Intelligence Agency where he held a variety ...
IEEE

Discrete Multiple Second-Order Generalized Integrator With Low-Pass Filters and Frequency-Locked Loop for DC Rejection

Abstract: The multiple second-order generalized integrator (MSOGI), which is composed of parallel second-order generalized integrators (SOGI), is widely used in grid synchronization and signal ...
PNAS

Principal Quadratic Functionals and Self-Adjoint Second-Order Differential Equations

Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear immediately following publication. Citation ...
World Scientific

Second Order Parabolic Differential Equations

This book is an introduction to the general theory of second order parabolic differential equations, which model many important, time-dependent physical systems. It studies the existence, uniqueness, ...