In this paper, array calibration methods using the real measured data have been investigated. A set of measured data is collected from a single source whose angle of arrival (AOA) is varied. Several calibration techniques are presented. The first one is a simple calibration method to compensate amplitude and phase errors between array elements. However, from the AOA estimation result, it is fou...

Substrate arrays of microelectrodes (MEAs) are microfabricated devices that can be electrochemically coupled to portions of brain tissue maintained in vitro (i.e., either cultures of dissociated neurons or brain tissue slices), because the electrically excitable cellular components in these experimental preparations are comparable in size with the MEA-engineered microstructures (see Figs. 1 and...

Accelerated degradation tests (ADTs) are commonly used to assess the durability of membrane electrode assembly (MEA) components consisting polymer electrolyte fuel cells (PEMFC) under harsh stress conditions, estimating their lifetime in actual use condition and uncovering vital mechanisms. ADTs apply mechanically, chemically, or thermally combined stressors efficiently investigate MEAs. Howeve...

The purpose of this study was to explore how university researcher professional development design decisions built and sustained K-8 partnerships which foregrounded mathematics in integrated STEM via model-eliciting activities (MEAs). We applied a self-study methodology facilitate longitudinal examination our practice multi-year project. used the Decision-Making Protocol for Mathematics Coachin...

In this study, a commercial IrO 2 /TiO catalyst (75 wt% Ir, named “Benchmark”) for the oxygen evolution reaction (OER) is compared to newly developed IrO(OH) x (45 “P2X”). Due its lower Ir packing density and higher OER activity vs Benchmark (440 12 A g −1 at 1.43 V iR-free ), P2X shows an improved PEM (proton exchange membrane) water electrolyzer performance ≈9 times reduced loading, however, ...

BACKGROUND Microelectrode array (MEA) devices are frequently used in neural circuit studies, especially in retinal prosthesis. For a high throughput stimulation and recording paradigm, it is desirable to obtain the responses of multiple surface RGCs initiated from the electrical signals delivered to multiple photoreceptor cells. This can be achieved by an high density MEA-tissue-MEA (MTM) sandw...

Extraordinary mechanical properties can be achieved in high-entropy alloys (HEAs) or medium-entropy (MEAs) with nanoprecipitates. In the present study, extra coupled strengthening effects by lattice distortion, local chemical ordering, and nanoprecipitates HEAs MEAs have been systematically investigated large-scale molecular dynamics simulations. The moving of dislocation slowed down, line show...

This work presents a commentary of the article published by A. Zadegan and A. Zilouchian (ASME J. Dyn. Sys. Meas. Contr. ,Volume 127,Issue 3, pp. 486-498, 2005). We show their order reduction method is not always true and may leads to inaccurate results and is therefore erroneous. A framework for solving the problem is also suggested .