Soft Switcing techniques have recently been applied in the design of dc-ac converters, in order to achive better performance, higher efficiency, and power density. One of the soft switching techniques uesd in inverters is resonant dc links. These topologies have some disadvantages such as irregular current peaks, large voltage peaks, uncotrollble pulse width, etc. Another soft switching method ...

ulse-shaping techniques, in which user-specified ulrashort pulse fields are synthesized via parallel manipuation of optical Fourier components, are now widely dopted [1]. Among the almost arbitrary waveforms enbled by pulse shaping, one subset with particular appeal nvolves generation and manipulation of optical pulse rains. Discrete pulse train packets (or bursts) have been enerated by both Fo...

Due to the influence of connection distance between mutual inductor primary circuit and metering device secondary circuit, detection induced current traditional method is extremely small, which cannot accurately detect authentic situation wiring, resulting in long time low accuracy. Therefore, this paper proposes automatic inductor. Through voltage sampling measurement data are obtained. Using ...

Soft Switcing techniques have recently been applied in the design of dc-ac converters, in order to achive better performance, higher efficiency, and power density. One of the soft switching techniques uesd in inverters is resonant dc links. These topologies have some disadvantages such as irregular current peaks, large voltage peaks, uncotrollble pulse width, etc. Another soft switching method ...

Introduction: Recent advances in neuroscience suggest that spiking neurons in cortical area are classified into two categories: integrators and resonators [1]. These neurons are different in the sensitivity to the timing of stimulus, and therefore show different synchronization properties in pulse-coupled systems. It is interested that the distribution of such neurons are layer-specific and dep...

The possibility of microwave breast cancer detection has attracted the attention of research community for the past two decades. It is based on the reported inherent dielectric contrast between malign and healthy tissues in the microwave frequency range. To this end, various avenues have been investigated worldwide to exploit this contrast in favor of early tumor detection and imaging. At McGil...

This paper presents experimental results on testing the symbol-error-rate (SER) performance of quadrature amplitude modulation (QAM) systems employing symmetric pulse-shaping square-root (SR) filters designed by minimizing the roughness function and by minimizing the peak-to-average power ratio (PAR). The device used in the experiments is the 'bladeRF' software-defined-radio platform. PAR is a ...

The synthesis of arbitrarily shaped femtosecond pulses by spectral filtering in a temporally nondispersive grating apparatus is demonstrated. Spectral filtering is accomplished by utilizing spatially patterned masks to modify the amplitude and the phase of the optical frequency components that are spatially dispersed within the apparatus. We are able to pattern spectra over a large dynamic rang...

We report the use of optical pulse shaping to convert single femtosecond pulses into lower-intensity pulse sequences for excitation of photoconductive dipole antennas, which results in the generation of bursts of tunable narrow-band free-space terahertz radiation. Our experiments demonstrate that the use of such pulse sequences can significantly enhance the spectral amplitude of the narrow-band...

We have used a commercially available liquid-crystal spatial light modulator within a reflective optics pulse-shaping apparatus to shape ultrashort pulses with temporal resolution approaching 10 fs. Using the spatial light modulator as a phase modulator, we produce a variety of complex ultrafast waveforms, including odd pulses, high repetition rate (.23 THz) pulse trains, and asymmetric pulse t...