The parameters design of 1-bit adaptive delta modulations (ADM) systems with uniform sampling rate is well known. Analytical study of delta modulations with sampling rate adaptation have been carried out few years ago. The described ADM systems encode the input signal by changing the sampling intervals and/or step size according to its time-varying slope characteristics. A proposition for desig...

Fibroblasts lose the ability to replicate in response to growth factors and become unable to express growth-associated immediate-early genes, including c-fos and egr-1, as they become senescent. The serum response factor (SRF), a major transcriptional activator of immediate-early gene promoters, loses the ability to bind to the serum response element (SRE) and becomes hyperphosphorylated in sen...

This work presents a delta-sigma modulator free in-loop-bandwidth spread-spectrum clock generator. The proposed charge-based discrete-time loop filter with a digital-tocurrent converter enables wide range spread-spectrum frequency modulation with significantly relaxed PVT sensitivity. A correlated double sampling technique is leveraged to minimize 1/f noise in the proposed discrete-time loop fi...

Magnetic skyrmions are magnetic textures with topological protection, which expected to be information carriers in future spintronic devices. In this work, we propose a scheme implement hybrid (HMS) ferrimagnets, and study theoretically numerically the dynamics of HMS driven by spin-orbit torque. It is revealed that skyrmion Hall effect depends on helicity net angular momentum ({\delta}s), allo...

Although it is well-established that sympathetic activity is modulated with respiration, it is unknown whether neural control of respiration is reciprocally influenced by cardiovascular function. Even though previous studies have suggested the existence of pulse modulation in respiratory neurons, they could not exclude the possibility that such cells were involved in cardiovascular rather than ...

A new realization of non-recursive digital filters using operation on ternary delta modulated signal is proposed. Direct operation on ternary delta modulated signal will be derived mathematically and a hardware implementation of ternary arithmetic operation will be shown. The primary advantage of the ternary scheme is the simplicity of the hardware and reduction in connections and interconnecti...

The interplay of correlated spatial modulation and symmetry breaking leads to quantum critical phenomena intermediate between those the clean randomly disordered cases. By performing a detailed analytic numerical case study quasi-periodically (QP) modulated transverse field Ising chain, we provide evidence for conjectures Ref. [Crowley et. al. 2018] regarding QP-Ising universality class. In gen...

Sigma delta modulators have been in widespread use for some time now. The relaxed analog component requirements of a sigma delta modulator (achieved through low bit counts and oversampling) make it a simple and elegant solution to the problem of analog to digital conversion. The disadvantage of conventional sigma delta modulators is that the sample rate must be many times higher than the highes...