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We demonstrated an integrated system that can manipulate and measure vectorial field spanning up to the entire repetition period without ambiguity, iteration, and reference.
A polarization line-by-line pulse shaper is used in analytically measuring optical arbitrary waveforms (OAWs) of 100% duty cycle without reference, which is essential for high repetition rate OAWs.
This paper demonstrates a fully integrated W-band frequency multiplier chain, which is implemented in 0.15-μm GaAs mHEMT process. The frequency multiplier chain includes a passive balanced doubler, a resistive feedback buffer amplifier, and an anti-parallel diode pair wideband tripler. It has a 6-dB bandwidth of 45% (72-114 GHz) with a peak conversion gain of -17.9 dB, and dc consumption of 120 mW...
A technique for studying the mechanical behavior of thin metal films is presented. The test specimen was designed to deposit on a novel triangle shape “paddle” beam in order to provide uniform plane strain distribution. Standard clean room processing was used to prepare the sample. The experiments were operated by using the electrostatic deflection on the “paddle” cantilever beam and measure the thin...
The ultra-wide band (UWB) in-vehicle channel measurement through sounding the channel with the chirp pulse signal is proposed in the paper. An UWB channel impulse response (CIR) estimator using de-convolution technique is presented to compare the measurement error of the UWB CIR generated from the chirp sounding pulse signal and the Gaussian pulse sounding signal, respectively. The noise resistance...
The reconfiguration scheme and channel algorithms of the software defined radio (SDR) channel simulator is designed for testing the base band transceiver of various mobile radio systems. The flexibility in selecting a combination of waveform and fading channel software modules and setting the system parameters is the main feature of the SDR channel simulator. An example of the SDR channel simulator...
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