Results 61 to 70 of about 1,450,845 (279)
A novel method for detecting the position of nonlinear components in multi-degree-of-freedom nonlinear systems [PDF]
Based on the Nonlinear Output Frequency Response Functions (NOFRFs), a novel method is developed to detect the position of nonlinear components in MDOF nonlinear systems. The validity of this method is demonstrated by numerical studies.
Billings, S.A., Lang, Z.Q., Peng, Z.K.
core
Nonlinear supratransmission in multicomponent systems
A method is proposed to solve the challenging problem of determining the supratransmission threshold (onset of instability of harmonic boundary driving inside a band gap) in multicomponent nonintegrable nonlinear systems.
Anghel-Vasilescu, P. +4 more
core +3 more sources
Variance-constrained multiobjective control and filtering for nonlinear stochastic systems: A survey [PDF]
The multiobjective control and filtering problems for nonlinear stochastic systems with variance constraints are surveyed. First, the concepts of nonlinear stochastic systems are recalled along with the introduction of some recent advances.
Dong, H, Ma, L, Wang, Z, Wei, G
core +2 more sources
ABSTRACT Objective Glioma recurrence severely impacts patient prognosis, with current treatments showing limited efficacy. Traditional methods struggle to analyze recurrence mechanisms due to challenges in assessing tumor heterogeneity, spatial dynamics, and gene networks.
Lei Qiu +10 more
wiley +1 more source
ABSTRACT Objectives WHO grade 4 astrocytomas are associated with poor prognosis, and their prognostic factors remain controversial. This study aimed to identify the prognostic factors and develop a management algorithm for these patients. Methods This study retrospectively included 151 CNS5 adult grade 4 astrocytomas from two medical centers.
Jiawei Cai +13 more
wiley +1 more source
Pump–probe x-ray microscopy of photo-induced magnetization dynamics at MHz repetition rates
We present time-resolved scanning x-ray microscopy measurements with picosecond photo-excitation via a tailored infrared pump laser at a scanning transmission x-ray microscope.
Kathinka Gerlinger +13 more
doaj +1 more source
Nonlinear output frequency response functions for multi-input nonlinear volterra systems [PDF]
The concept of Nonlinear Output Frequency Response Functions (NOFRFs) is extended to the nonlinear systems that can be described by a multi-input Volterra series model.
Billings, S.A., Lang, Z.Q., Peng, Z.K.
core
ABSTRACT Introduction Progressive Supranuclear Palsy (PSP) is a neurodegenerative ‘tauopathy’ with predominating pathology in the basal ganglia and midbrain. Caudal tau spread frequently implicates the cerebellum; however, the pattern of atrophy remains equivocal.
Chloe Spiegel +8 more
wiley +1 more source
Memristor-based oscillators are of recent interest, and hence, in this paper, we introduce a new Wien bridge oscillator with a fractional-order memristor.
Anitha Karthikeyan +4 more
doaj +1 more source
On Delay-independent Stability of a class of Nonlinear Positive Time-delay Systems
We present a condition for delay-independent stability of a class of nonlinear positive systems. This result applies to systems that are not necessarily monotone and extends recent work on cooperative nonlinear systems.Comment: 9 ...
Bokharaie, Vahid, Mason, Oliver
core +1 more source

