Fiber Bragg Grating-Based Sensor device consists of a Bragg grating inscribed into a single mode optical fiber and operating on a wavelength of around 1550 nm. The fiber Bragg grating (FBG) is mounted inside a pneumatic cushion to be placed between the backrest of the seat and the back of the monitored person. Vibrations,i.e,dynamic strains transferred to the FBGs involve changes of the instantaneous Bragg wavelength values (proportional to the vibrations). Their detection with the interrogation system (with proper resolution and dynamic characteristics)provides information on breathing activity and heart rate.
A neural network is a processing device, either an algorithm, or actual hardware, whose design was motivated by the design and functioning of human brains and components thereof. The abilities of different networks can be related to their structure, dynamics and learning methods. There are many different types of Neural Networks, each of which has different strengths particular to their applications. ANN is used for their ability to represent non-linear relations makes them well suited for non linear modelling in control systems. Adaptation and learning in uncertain system through off line and on line weight adaptation Parallel processing architecture allows fast processing for large-scale dynamic system. Neural network can handle large number of inputs and can have many outputs.
This presentation on Optical Coherence Tomography(OCT) gives an insight into Signal Processing And Algorithm used in OCT. OCT is a medical imaging modality with 1-10 micro meter resolutions and 1-2 mm penetration depths. High resolution, sub surface non invasive or minimally invasive internal body imaging technique for structural and quantitative imaging. Signal processing intensive suited for embedded implementations using digital signal processors (DSP) and system-on-chip (SoC) application processors. Performance given in cycles per scanline and total number of scanlines that can be processed per second. Enables cross-sectional imaging of tissue microstructure in real time.
Solar cell is thin Si wafer of size 10 x 10 cm, size of a CD. Thickness is in fractions of mm and metal pattern is to make electrical contacts. Solar Cells are Safe, Clean, Durable, Reliable, Quiet and Installable anywhere.
This presentation on Seminar On Perspectives Of Nanotechnology For Rf And Terahertz Electronics discuss about Nanocarbon, CNT-FET, Graphene FET, Terahertz Electronics and Phiar Devices. Matter or structures at dimensions below 100 nm down to atomic dimensions of the order of 1 nm is called nano or nanoscale matter. Advances in nanotechnology have led to the development of nano RF or terahertz devices.
This presentation on Opportunistic Retransmission in WLANs using PRO discuss about PRO - Protocol for Retransmitting Opportunistically, Overhearing nodes function as relays after a failed transmission. It is useful when there is significant contention for the ether, under fading and with user mobility.
This presentation on Power Management for Wireless Data Transmission Using Complex Event Processing discuss about Power Management of WNI, System Architecture, Architecture of EDF, Complex Event Processing, Event Generator, Event Processing Agent, Scheduler, Implementation, Event Specification and ECA Rules, XML Elements in Event Processing and ECA Rules, Event Processing Agent, Conflict Detection and Resolution.
Blindness is caused by damage to clear structures in the eye, that allow the light to pass through, the nerves within the eye, the Optic nerve and brain. Various diseases of eye are
1) Retinitis Pigmentosa - Hereditary genetic disease. It is caused by degeneration of the retina. Gradually progress towards center of eye. Spares the foveal region. Tunnel vision results.
2) Macular Degeneration - This is also genetically related. Cones in macula region degenerate. Loss or damage of central vision. Common among aged people. Peripheral retina spared.
Green technology points to energy efficient techniques. Due to scarcity of energy resources we need look for looking for energy efficient designs & architectures. Mobile application processors are soon to replace desktop processors as the focus of innovation in microprocessor technology. Smart phones sales surpass those of desktops. Android platform is a Linux based operating system. Mobile devices such as smart phones and tablet computers. An open source developed by the open handset alliance led by Google. It is a multi channel, multi core OS.
Underwater Free space optical communication promising alternative for Short range links. Considered to be point to point. New optical front end proposed the concept of smart transmitters and receivers. Smart Receivers is capable of detecting angle of arrival of signals. Smart transmitters electronically steers output beam towards particular direction. Estimates water quality from back scattered light.
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