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Nanostructures enable record high-harmonic generation(图)     纳米结构  高谐波  激光脉冲       font style='font-size:12px;'> 2023/5/24
Cornell researchers have developed nanostructures that enable record-breaking conversion of laser pulses into high-harmonic generation, paving the way for new scientific tools for high-resolution imag...
Channel selection is a fundamental problem in Cognitive Radio Networks (CRNs). One basic channel assignment problem is ren-dezvous, which investigates how secondary users can establish a connec-tion b...
Before writing data to a storage medium or transmitting across a transmission medium lossless compression is often used. Storage space or transmission bandwidth is saved by compression; when the data ...
In this project, an analytical modeling of optically controlled Gallium Nitride has been presented here for an analysis of extrinsic and intrinsic parameters such as, gate capacitances including both ...
This paper addresses the problem of road region detection in urban areas using an image classification approach. In order to minimize the spectral superposition of the road (asphalt) class with other ...
We present a comprehensive investigation of the low-ˉeld hole mobility in strained Ge and III-V (GaAs, GaSb, InSb and In1¡xGaxAs) p-channel inversion layers with both SiO2 and high-· insulators. ...
The increasing use of High Frequency Surface Wave Radar (HFSWR) for the surveillance of coastal regions is faced with the problem of limited channel availability in the electromagnetic spectrum. Thus,...
In today's resource-driven economy, maritime nations are claiming economic borders that extend beyond the continental shelf or the 200 nautical mile (nm) Exclusive Economic Zone (EEZ). However, claimi...
Modeling and simulation strategies in high frequency surface wave radars     Radar  HF radar  surface wave HF radar  HFSWR  propagation  noise  clutter  RCS       font style='font-size:12px;'> 2010/10/12
Surface Wave High Frequency Radars (SWHFR) are taken into account in the content of modeling and simulation challenges. Examples related to multi-mixed path surface wave propagation, radar cross secti...
This paper introduces a novel voltage-mode multifunction biquadratic filter with single input and four outputs using two plus-type differential difference current conveyors (DDCCs) and four grounded p...
This paper presents the topology of operating DC-DC buck converter in boost mode for extra-high-voltage applications. Traditional DC-DC boost converters are used in high-voltage applications, but they...
This paper explores a variety of different CMOS varactor structures for RF and MMICs. A typical 0.18μm CMOS foundry process was used as the study platform. The varactors' capacitance-voltage character...
Although high school mathematics curriculum documents in Ontario, Canada have, for the past two decades, made calls for classroom practices involving both modeling and applications, students still exp...
The possibility of developing an antenna system consisting of transmit and receive arrays and being able to work simultaneously in full duplex mode at the same frequency is a very attractive task. Thi...
High-pressure phases which are Β-Sn, Imma and simple hexagonal structures of silicon are quenched using an intense femtosecond laser-driven shock wave. These high-pressure phases have never synthesize...

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