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Related papers: On Molecular Flow Velocity Meters

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A method is proposed to estimate the velocity field of an unsteady flow using a limited number of flow measurements. The method is based on a non-linear low-dimensional model of the flow and on expanding the velocity field in terms of…

Optimization and Control · Mathematics 2009-11-13 Marcelo Buffoni , Simone Camarri , Angelo Iollo , Edoardo Lombardi , Maria-Vittoria Salvetti

In this paper, we propose a theoretical framework for cooperative abnormality detection and localization systems by exploiting molecular communication setup. The system consists of mobile sensors in a fluidic medium, which are injected into…

Signal Processing · Electrical Eng. & Systems 2021-05-18 Ladan Khaloopour , Mahtab Mirmohseni , Masoumeh Nasiri-Kenari

Inspired by the eye diagram in classical radio frequency (RF) based communications, the MOL-Eye diagram is proposed for the performance evaluation of a molecular signal within the context of molecular communication. Utilizing various…

Emerging Technologies · Computer Science 2017-09-19 Meric Turan , Mehmet Sukru Kuran , H. Birkan Yilmaz , Chan-Byoung Chae , Tuna Tugcu

Sampling from unnormalized densities presents a fundamental challenge with wide-ranging applications, from posterior inference to molecular dynamics simulations. Continuous flow-based neural samplers offer a promising approach, learning a…

Machine Learning · Computer Science 2025-07-22 Wuhao Chen , Zijing Ou , Yingzhen Li

In this paper, we propose a novel design for molecular communication in which both the transmitter and the receiver have, in a 3-dimensional environment, multiple bulges (in RF communication this corresponds to antenna). The proposed system…

Emerging Technologies · Computer Science 2016-11-17 Bonhong Koo , H. Birkan Yilmaz , Andrew Eckford , Chan-Byoung Chae

We introduce a velocimetry technique based on the Doppler-shift of surface waves propagating between an emitter and a receiver. In the limit of scale separation between the wavelength and the scale of the flow, we derive the direct…

Fluid Dynamics · Physics 2017-10-09 T. Humbert , S. Aumaître , B. Gallet

In Vapor Cycle Systems, the mass flow sensor playsa key role for different monitoring and control purposes. However,physical sensors can be inaccurate, heavy, cumbersome, expensive orhighly sensitive to vibrations, which is especially…

Systems and Control · Electrical Eng. & Systems 2024-06-27 Justin Reverdi , Sixin Zhang , Saïd Aoues , Fabrice Gamboa , Serge Gratton , Thomas Pellegrini

This paper presents a stochastic analysis of the time-variant channel impulse response (CIR) of a three dimensional diffusive mobile molecular communication (MC) system where the transmitter, the absorbing receiver, and the molecules can…

Information Theory · Computer Science 2019-08-16 Trang Ngoc Cao , Arman Ahmadzadeh , Vahid Jamali , Wayan Wicke , Phee Lep Yeoh , Jamie Evans , Robert Schober

Air-based molecular communication (MC) has the potential to be one of the first MC systems to be deployed in real-world applications, enabled by commercially available sensors. However, these sensors usually exhibit non-linear and…

In this paper, we develop a mathematical framework for modeling the time-variant stochastic channels of diffusive mobile MC systems. In particular, we consider a diffusive mobile MC system consisting of a pair of transmitter and receiver…

Information Theory · Computer Science 2018-07-12 Arman Ahmadzadeh , Vahid Jamali , Robert Schober

Flow cytometry is a powerful quantitative assay supporting high-throughput collection of single-cell data with a high dynamic range. For flow cytometry to yield reproducible data with a quantitative relationship to the underlying biology,…

Quantitative Methods · Quantitative Biology 2023-05-16 Jacob Beal

The progress of image processing during recent years allows the measurement of pedestrian characteristics on a "microscopic" scale with low costs. However, density and flow are concepts of fluid mechanics defined for the limit of infinitely…

Physics and Society · Physics 2015-05-14 Bernhard Steffen , Armin Seyfried

In this paper, the error performance achieved by cooperative detection among K distributed receivers in a diffusion-based molecular communication (MC) system is analyzed and optimized. In this system, the receivers first make local hard…

Information Theory · Computer Science 2024-10-30 Yuting Fang , Adam Noel , Nan Yang , Andrew W. Eckford , Rodney A. Kennedy

We demonstrate operation of a constant-pressure flowmeter capable of generating and accurately measuring flows as low as $2\times10^{-13}$ mol/s. Generation of such small flows is accomplished by using a small conductance element with…

Instrumentation and Detectors · Physics 2022-08-11 S. Eckel , D. S. Barker , J. Fedchak , E. Newsome , J. Scherschligt , R. Vest

The optical flow estimation has been assessed in various applications. In this paper, we propose a novel method named motion edge structure difference(MESD) to assess estimation errors of optical flow fields on edge of motion objects. We…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Bin Liao , Jinlong Hu

Inhomogeneous refractive index fields lead to errors in optical flow velocity measurements. Former respective studies are mostly in quasi two-dimensional flows, and attribute the measurement errors to spatial gradients in the refractive…

Fluid Dynamics · Physics 2025-02-04 Huixin Li , Andreas Fischer , Marc Avila , Duo Xu

This paper studies microfluidic molecular communication receivers with finite-capacity Langmuir adsorption driven by an effective surface concentration. In the reaction-limited regime, we derive a closed-form single-pulse response kernel…

Signal Processing · Electrical Eng. & Systems 2026-01-19 Ruifeng Zheng , Pengjie Zhou , Pit Hofmann , Martín Schottlender , Fatima Rani , Juan A. Cabrera , Frank H. P. Fitzek

This thesis focuses on link scheduling in wireless mesh networks by taking into account physical layer characteristics. The assumption made throughout is that a packet is received successfully only if the Signal to Interference and Noise…

Networking and Internet Architecture · Computer Science 2008-12-31 Ashutosh Deepak Gore

Two methods of flow measurement in stacks are investigated to determine their errors in presence of cyclonic flow. One method, based on velocity measurements with a Pitot tube in a grid of points, is the standard reference method according…

Computational Physics · Physics 2018-08-31 J. Gersl , S. Knotek , Z. Belligoli , R. P. Dwight , R. A. Robinson , M. D. Coleman

In this paper, symbol-by-symbol maximum likelihood (ML) detection is proposed for a cooperative diffusion-based molecular communication (MC) system. In this system, a fusion center (FC) chooses the transmitter's symbol that is more likely,…

Information Theory · Computer Science 2018-09-06 Yuting Fang , Adam Noel , Nan Yang , Andrew W. Eckford , Rodney A. Kennedy