This article presents the 38-GHz phased array 32-element Tx and 16-element Rx with 2-GHz IF 5-GHz LO for fifth-generation (5G) millimeter-wave (MMW) communications. The beamformers upconverters/downconverters are fabricated in 65-nm CMOS. PAs LNAs near antenna ends 0.15-μm GaAs pHEMT. eight-element four-element printed circuit board (PCB) modules integrated multiple circuits (ICs) endfire antennas implemented as unit cells. Four pieces of vertically stacked to construct an 8 × 4 brick...

Anion-exchange membrane fuel cells represent a promising and scalable approach for hydrogen energy utilization. However, their development is hindered by the weak bonding between metal catalysts carbon supports, along with challenges in fabricating electronically/ionically conductive electrodes. Here, we report composite cathode of Nb-doped brookite TiO2 nanorods that have robust stability when combined Pt nanoscale an alkaline cell. The cathode, fabricated without addition ionomer, delivers...

Tissue engineering in dentistry has fundamentally changed the way endodontists assess treatment options. Our previous study found that quercetin-contained mesoporous calcium silicate/calcium sulfate (MSCSQ) could induce hard tissue defect region regeneration. This focused on whether MSCSQ scaffold also be effective regulating odontogenesis and dentin In this study, we fabricated composite scaffolds using 3D printing technique. The characteristics of were examined by scanning electron...

A lightwave transport system based on an electroabsorption modulator and optical single sideband modulation technique is proposed demonstrated. Simultaneous transmission of CATV microwave signals, good performances carrier-to-noise ratio, composite second order, triple beat were obtained for signals; low bit-error rate third-order intermodulation distortion-to-carrier ratio (IMD/sub 3//C), as well high spurious-free dynamic range values achieved radio-on-fiber applications.

A 36-40 GHz full 360° ultra-low phase error passive shifter with a novel compensation technique is presented in this paper. The proposed consists of four-way quadrature power divider as vector generator, selector and two digital controlled artificial dielectric (DiCAD) cells to achieve 4-bit (22.5° resolution) synthesizing. DiCAD not only provide 22.5° 45° shifts but can also compensate the due its tuning mechanism. measured RMS gain are under 2.6° 2.6 dB over GHz, respectively. average...

We investigated the treatment effects of aripiprazole monotherapy in first-episode medication-naïve patients with major depressive disorder (MDD). The accompanying changes gray matter volume (GMV) were also explored. Fifteen completed trial and received structural scans by 3-Tesla magnetic resonance imaging at baseline partially responding state (sixth week). To account for test–retest bias, 27 healthy controls scanned twice within 6 weeks. utilized optimized voxel-based morphometry...

A 90-nm CMOS I/Q modulator with low dc-power consumption, local oscillator (LO) power requirement, and high image reject ratio (IRR) is proposed in this letter. To minimize consumption LO the weak-inversion biasing technique adopted switching transistors modified Gilbert-cell mixer structure also applied to solve voltage headroom problem conventional mixer. Moreover, demonstrate IRR, a four-way quadrature signal generator phase gain imbalance implemented. With only 28.8-mW dc 0-dBm driving...

In the development of new generation EIT systems, design a steady current generator with broad bandwidth is an important consideration. this paper, constructed by enhanced Rowland circuit high-speed operational amplifier. The electronic models built on Oreadreg PSpice 9.2 software are simulated to observe output stability at multi-frequencies. As results, THS4021 model provides stable frequency ranging from 10 k 1 MHz load for 200-2 kOmega. Furthermore, it also offers higher impedance that...

Behavioral and neurochemical indexes of nigrostriatal dopaminergic function were compared between sedentary control rats (n = 12) daily spontaneous running (DSR) male 10). Nine weeks DSR did not significantly alter body, heart, pituitary, or testes weights. animals differ in performance on a sensorimotor beam walking task, with showing shorter times required to cross the (60 +/- 17 vs. 119 14s; P < 0.02) as well fewer slips off (3.0 0.8 vs 6.2 1.1; 0.05). also engaged greater durations...

Process variation in the 3D flash memory architecture raises difficulty of bad block management. Since error characteristics vary among different blocks, it is difficult for existing P/E cycle-based management policies to decide a suitable cycle threshold. This increases possibility data loss and decreases SSD's lifetime. In this work, we characterize observe spatial correlation blocks aspect behaviors. phenomenon referred as cluster similarity. A novel cluster-based policy proposed, which...

The electrical, structural, and chemical properties of HfO2/Al2O3/GaSb metal-oxide-semiconductor capacitors (MOSCAPs) fabricated on Sb-rich (2 × 5) Sb-stabilized (1 3) surfaces by atomic layer deposition are characterized. A combination the transmission electron microscopic, x-ray photoelectron spectroscopic, force microscopic observations shows that surface, with its excessive Sb atoms clusters, leads to island dielectric materials results in high leakage current MOSCAPs. For MOSCAPs a...

Electrical impedance is one of the most often used parameters for characterizing material properties, especially in biomedical applications. spectroscopy (EIS), revealing both resistive and capacitive characteristics, good use tissue characterization. In this study, a portable simple EIS system based on commercially available chip was to assess rat intestinal tissues following irradiation. The results were fitted resistor capacitor electrical circuit model solve properties tissue. variation...

User-centric ultra-dense networking (UUDN) had been proposed for allowing ubiquitous services end-users on the move based well-deployed access points. In this paper, we studied a possible scenario of user equipment/access point device (UAD) UUDN due to its auto-deployment and crowd-oriented nature. Considering high PAPR signal OFDM families 5G waveform candidates, simulation shows that signals transmitted by UAD are distorted severely owing limited power low-complexity PA. Finally, future...

Dark matter is believed to be the essential building blocks of galaxy formation. While instances galaxies lacking dark have been observed, these occurrences are typically linked specific formation mechanisms, making them stand out as unique cases. In spiral galaxies, presence flat rotation curves a common observation, indicating need for support dynamics. However, displaying minimal or no likely not exceptional We report several where areas exhibit an average dynamical baryonic mass ratio...

This paper introduces CompressedMediQ, a novel hybrid quantum-classical machine learning pipeline specifically developed to address the computational challenges associated with high-dimensional multi-class neuroimaging data analysis. Standard datasets, such as large-scale MRI from Alzheimer's Disease Neuroimaging Initiative (ADNI) and in Frontotemporal Dementia (NIFD), present significant hurdles due their vast size complexity. CompressedMediQ integrates classical high-performance computing...

We propose and demonstrate an externally modulated national television system committee (NTSC) 77-channel erbium-doped fiber amplifier-repeated employing optical single sideband filter at the receiving site. In comparison with conventional fiber-optical CATV systems, excellent performances of carrier-to-noise ratio /spl ges/50 dB, composite second order ges/70 triple beat ges/69 dB were achieved for full channel band over a 100-km single-mode transport. Our proposed is suitable long-haul system.

We have developed a gene-gene (G-G) relation browser that combines fuzzy sequential pattern mining and information-extraction model to extract from biomedical literature knowledge on interactions. Our approach aims detect associated G-G relations are often discussed in documents. Integration of the related lead an individual network. Graphic presentations be used demonstrate relationships between gene products.

The purpose of this study is to characterize the cognitive functions schizophrenic patients using different auditory and visual event-related potentials (ERPs) based on Wisconsin Card Sorting Test (WCST). From experimental results, it indicated that there a slowness automatic processing controlled during WCST in comparison with ERPs for patients.

Summary form only given. Influences of energy band lineup at the tunneling junction on performance GaAs <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> Sb xmlns:xlink="http://www.w3.org/1999/xlink">1-x</sub> /In xmlns:xlink="http://www.w3.org/1999/xlink">y</sub> Ga xmlns:xlink="http://www.w3.org/1999/xlink">1-y</sub> As heterojunction field-effect transistors (HTFETs) have been investigated using TCAD simulations. The results show that...

With continuous increase in transistor count and clock frequency, the power density of current Si integrated circuits has reached a level that calls for revolutionary change technology. High hole mobility Ge high electron InGaAs have been considered to be most promising channel materials p-channel n-channel MOSFETs, respectively. Selective-area growth (SAG) on nano-trenches quite popular integrating III-V with substrates. Since there exists lattice mismatch between Si, obtaining defect-free...

ABSTRACT A wide‐tuning‐range X‐band voltage‐control oscillator (VCO) with built‐in envelope detectors is designed and measured. The VCO implemented using a 0.18‐μm CMOS technology. core composed of cross‐coupled pair parallel‐LC resonator. variable capacitance MOS varactors. Large varactor small transistor size are used to reduce the tuning‐range degradation due parasitic buffer amplifier. Each single‐ended output differential amplifier connected Greinacher voltage doubler, which serves as...

The charge-redistribution low-swing differential logic (CLDL) circuits are presented in this work. It can implement a complex function single gate. CLDL utilizes the and reduced-swing schemes to reduce power dissipation enhance operation speed. In addition, pipeline structure is formed by series connection controlled true-single-phase clock, thereby achieving high-speed operation. perform more than 25% speedup 31% power-delay product compared other with clock. A pipelined...

There are two kinds of rice paper commonly used in Oriental watercolor painting. One kind made by tree cortex and straw is called &#x201C;raw paper&#x201D;. The other one not only but also coating with alum glue &#x201C;developed This raw can smooth the color when pigments or dyes paint on paper, which similar to uncoated paper. developed prevent interpenetrate into coated Therefore, there shall be different mathematical models describe these watercolor-on-rice-paper effect.Multi-spectral...