Photonic generation of ultrawideband signals
WebDec 1, 2007 · These techniques are divided into three categories, with the generation of UWB signals based on the following: 1) phase-modulation-to-intensity-modulation conversion; … WebApr 10, 2024 · Abstract A scheme is proposed for a specialized analog processor that uses a microwave photonics correlation receiver in the form of a matched filter to treat an ultra-wideband microwave signal. The operation of such a filter is investigated numerically, and its characteristics (potential performance and the accuracy of identifying the position of …
Photonic generation of ultrawideband signals
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WebJan 26, 2024 · Ultra-wideband (UWB) radios hold great promise among various sensing technologies for providing accurate object localization in indoor and outdoor environments. However, in a road construction environment with heavy vehicles and equipment, the performance of UWB radios drastically declines because of blockages in the transmission … WebOct 15, 2012 · A novel scheme to generate ultrawideband (UWB) pulses with different polarities is proposed and experimentally demonstrated based on a reflective …
WebA reconfigurable optical ultra-wideband (UWB) pulse generation scheme based on the pulse difference by using polarization synthesis is proposed and demonstrated experimentally. The Gaussian pulses with an appropriate time delay are modulated via the two sub-MZMs of the DPol-MZM, and the optically carried signals are combined via orthogonal polarization … Web3548 JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 28, NO. 24, DECEMBER 15, 2010 Impact of Electro-Absorption Modulator Integrated Laser on MB-OFDM Ultra-Wideband Signals Over Fiber Systems Chengwen Sui, Bouchaib Hraimel, Xiupu Zhang, Senior Member, IEEE, Liwen Wu, Yiming Shen, Ke Wu, Taijun Liu, Senior Member, IEEE, Tiefeng Xu, and …
WebOct 15, 2024 · A photonic scheme to generate a 4-level frequency hopping (FH) microwave signal is proposed and experimentally demonstrated. The frequency of the generated signal can be fast and flexibly switched ... WebMar 1, 2011 · We present new experimental results related to UWB signal up-conversion, photonic radio impulse generation, and digital and analog signal coexistence. We also …
WebFeb 1, 2024 · The P-WSF radar leverages analog photonic generation and processing of ultra-wideband signals using only MHz-level electronics for detection and imaging. Specifically, stepped-frequency (SF) continuous wave radar signals are synthesized using a frequency-shifted optical modulation driven by a low-frequency electronic oscillator …
WebAbstract. We propose and demonstrate a method to generate ultrawideband (UWB) signals in the optical domain based on the chaotic dynamics of an optically injected semiconductor laser with optical feedback. The chaotic-UWB pulses with a fractional bandwidth of 116% and central frequency of 6.88 GHz are experimentally generated by controlling the ... song action stationsWebOct 15, 2012 · A novel scheme to generate ultrawideband (UWB) pulses with different polarities is proposed and experimentally demonstrated based on a reflective semiconductor optical amplifier (RSOA). ... Photonic generation of ultrawideband signals based on frequency-dependent gain saturation in a reflective semiconductor optical … song acousticWebThis study proposes an optical front-end for wideband transceivers based on photonic time compression (PTC) and photonic time stretch (PTS) techniques. The PTC and PTS systems within a transceiver generate and receive wideband RF signals, respectively, which expand the processible signal bandwidth. We present analytical models for characterizing the … song actionsWebThis study proposes an optical front-end for wideband transceivers based on photonic time compression (PTC) and photonic time stretch (PTS) techniques. The PTC and PTS … song a country boy can surviveWebApr 1, 2012 · 1. Introduction. The ultra-wideband (UWB) technology has been attracting great interest in the short-range high capability wireless communication and sensor … song a change will do you goodWebOct 15, 2012 · The photonic microwave bandpass filter based on a PolM would produce a chirp-free UWB signal, while the one based on a PM would generate a UWB signal that is … song across the great divideWebWe theoretically and experimentally demonstrated a novel photonic approach to generating ultrawideband (UWB) pulses with large carrier frequency tunability based on an optical … song activities for esl students