Photonic generation of ultrawideband signals
WebNov 5, 2024 · A compact method to generate switchable multi-format linearly frequency-modulated (LFM) signal is proposed and investigated. The core components are two phase modulators inside a Sagnac loop, which respectively driven by a linearly chirped waveform and a coding signal. By controlling the amplitudes of the coding signal, we can obtain the … 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 …
Photonic generation of ultrawideband signals
Did you know?
WebOct 15, 2012 · A novel scheme to generate ultrawideband (UWB) pulses with different polarities is proposed and experimentally demonstrated based on a reflective … WebUltra-wide band signal generation using a coupling-tunable silicon microring resonator Yunhong Ding,1,∗ Bo Huang,1,3 Christophe Peucheret,1,2 Jing Xu,1 Haiyan Ou,1 Xinliang Zhang,3 and Dexiu Huang3 1Department of Photonics Engineering, Technical University of Denmark, 2800 Kgs.Lyngby, Denmark 2University of Rennes 1 - ENSSAT, FOTON …
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 … WebJan 7, 2024 · A novel centimeter-wave (CMW) and millimeter-wave (MMW) ultra-wideband (UWB) signal generator based on optical up-conversion technique is presented. A dual-parallel Mach–Zehnder modulator is employed to modulate the electrical baseband UWB signal to an optical carrier and eliminate the local oscillator component. Meanwhile, a …
WebWe report a novel photonic scheme to generate background-free phase-coded microwave pulses with elimination of power fading by cascading a dual-polarization dual-parallel … 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 ...
WebApr 1, 2012 · We propose and experimentally demonstrate the generation of a pair of polarity-reversed 24 GHz millimeter-wave (MMW) ultra-wideband (UWB) monocycles. The …
WebAug 1, 2010 · As a consequence, the photonic generation of UWB signals has been a very active area of research over the past few years, and numerous techniques have been suggested and demonstrated [2][3][4] [5 ... software for old bsb 1 filesWebDec 6, 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; 2) a photonic microwave delay-line filter; and 3) optical spectral shaping and dispersion-induced frequency-to-time mapping. software for new laptop windows 10WebApr 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 … slow flow ironWebAug 15, 2016 · The advantages of using the broadband and low-loss distribution attributes of photonics to enhance the signal processing and sensing capabilities of microwave systems are well known. In this paper, we review the progress made in the topical areas of true-time-delay beamsteering, photonic-assisted analog-to-digital conversion, RF-photonic … slowflowmagicWebAbstract. 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 ... software for offshore wind dnvWebA 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 … software for nursing home managementWebiTEAM. 2008 - jul. de 20124 años. Valencia y alrededores, España. I was working in the field of Microwave Photonics. My research was focused on the development of photonic systems for signals generation and processing (microwave photonic filters). In Signals generation, I have experience in pulse compression radar pulses and, UWB … software for olympus digital voice recorder