Coherent Detection
Performance analysis of direct detection and coherent detection system for optical OFDM using QAM and DPSK
... direct detection system and coherent detection ...direct detection system a single photodiode is used , While in coherent detection the principle of optical mixing is utilized ...
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Coherent detection of metal-metal terahertz quantum cascade lasers with improved emission characteristics
... and coherent detection of the laser radiation, a mea- surement that has previously only been achieved with single plasmon waveguides; this opens the possibility of coher- ently detecting QCLs at liquid ...
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Solid-state-biased coherent detection of ultra-broadband terahertz pulses
... In conclusion, we demonstrated the first integrated solid-state de- vice for the ultra-broadband coherent detection of THz pulses. SSBCD is featured by relatively high DR (>1200), broad band- width (10 ...
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Distributed optical fibre sensors based on the coherent detection of spontaneous Brillouin scattering
... the coherent detection of anti-Stokes spontaneous Brillouin backscatter, using the microwave detection system, is illustrated in figures ...microwave detection system allowed the collection of ...
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Phase noise influence in optical OFDM systems employing RF pilot tone for phase noise cancellation
... After coherent detection with an LO laser with the same frequency as the RF the (analogue) signal at the DFFT output of the receiver – including correlation detection - is for bin k (DFFT coef- ...
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Coherent CFAR detection in compound Gaussian clutter with inverse gamma texture
... Throughout, detection in compound Gaussian clut- ter with inverse gamma texture will be also referred to as Pareto coherent detection for brevity. The paper is arranged as follows. Section 2 sets the ...
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Measuring the sampling coherence of a terahertz quantum cascade laser
... optic detection [3,4], and air-plasma sampling ...as coherent detection in the literature [6], and depends on the absence of timing jitter ...
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Digital signal processing for optical communications and networks
... The performance of high-capacity optical communication systems can be significantly degraded by fiber attenuation, chromatic dispersion (CD), polarization mode dispersion (PMD), laser phase noise (PN), and Kerr ...
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Low complexity non coherent signal detection for nano scale molecular communications
... signal detection technique is proposed to mitigate the inter- symbol-interference (ISI) and additive ...existing coherent detection methods of high complexity, the proposed non-coherent signal ...
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High dimensional metric combining for non coherent molecular signal detection
... non-coherent detection scheme for molecular ...previous detection results into a channel-independent Gaussian Parzen window, thereby avoiding the complex channel ...
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Challenges to coherent optical communication systems and their mitigation techniques –A Review
... digital coherent detection has been extensively explored by ...of coherent optical communication systems and different mitigation techniques to increase capacity of these ...
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Performance Analysis of FSO Link Using OVSB Modulation Based On Coherent and Direct Detection OFDM
... on coherent detection OFDM. This is similar to the direct detection receiver ...the coherent detection section. The coherent detection reception is performed mainly by the ...
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Digital Signal Processing Of Coherent and Generation Detection of QPSK Signal
... available. Coherent optical communication systems widely attract people's attention mainly because of their improved sensitivity over direct detection, their ability to receive complex modulation formats ...
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2P as compared to MPC and
... In coherent detection OCDMA system, a high quality reference laser is centrally located and individual users use this reference for injection-locking of inexpensive distributed feed-back (DFB) lasers to act ...
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Adaptive DS/CDMA Non Coherent Receiver using MULTIUSER DETECTION Technique
... data detection in DS-CDMA systems is proposed in this ...non-coherent detection compared with conventional coherent detection is limited and can be adjusted via the generation of the ...
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A HYBRID ANT COLONY SYSTEM FOR GREEN CAPACITATED VEHICLE ROUTING PROBLEM IN SUSTAINBALE TRANSPORT
... for coherent detection of information symbols In this paper, Least Squares (LS) channel estimation and Discrete Prolate Spheroidal Sequences based channel estimation methods are implemented for 2x2 MIMO ...
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Cognitive Radio Network based on Energy Spotting Method with Enhanced Sensing Accuracy
... The band pass filter allows only certain range of frequencies and the a squaring device averages the received signals energy and this method can implemented either in frequency domain or time domain. Time domain ...
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1708.01294.pdf
... CEnNS detection goes beyond completing the picture of neutrino couplings predicted by the Standard Model of particle ...untested coherent enhancement to the WIMP-nucleus scattering cross-section, and will ...
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Robust Techniques for Coherent Change Detection Using Cosmo-Skymed SAR Images
... for Coherent Change ...of detection and false alarm are evaluated experimentally using CSK ...higher detection probability in the case of low probability of false ...
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A New High-Resolution and Stable Mv-SVD Algorithm for Coherent Signals Detection
... Abstract—The performance of smart antenna greatly relies on the efficient use of direction-of-arrival (DOA) estimation techniques for both coherent and non-coherent signals. In practice, DOA estimation ...
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