'Local oscillator' presentation slideshows

Detection Methods

1.02k views • 88 slides

Emergent Phenomena in Cochlear Mechanics

Emergent Phenomena in Cochlear Mechanics. Christopher A. Shera Eaton-Peabody Laboratory of Auditory Physiology Harvard Medical School. Is it somatic electromotility?. Or active hair-bundle motility?. (Hudspeth 1997). What is the Biophysical Origin of the Cochlear Amplifier?.

622 views • 42 slides

How things work: an overview of astronomical instrumentation

How things work: an overview of astronomical instrumentation. John Storey. With a nod to Tove Jansson. Or, How many photons do you have in your mode?. Lost in translation. Autocorrelator. Point spread function. Beam profile. HEMT. Fabry Perot. Antenna. Closure phase. CCD. Grating.

516 views • 38 slides

Ultra-Wideband Research and Implementation

Ultra-Wideband Research and Implementation. By Jarrod Cook and Nathan Gove Advisors: Dr. Brian Huggins Dr. In Soo Ahn Dr. Prasad Shastry. Presentation Outline. Introduction Overview Project Summary Spectrum Overview Modulation Project Issues Time Constraints Sampling Rates

482 views • 34 slides

WP12 Innovative RF Technologies

WP12 Innovative RF Technologies. Peter McIntosh (STFC Daresbury Laboratory) Nicoleta Baboi (DESY) Juliette Plouin (CEA Saclay ). WP12 Pushing the Envelope. Integrated and balanced programme encompassing high performance capabilities across both SC and NC technologies. Beam Generation:

593 views • 31 slides

S-72.245 Transmission Methods in Telecommunication Systems (4 cr)

S-72.245 Transmission Methods in Telecommunication Systems (4 cr). Digital Bandpass Transmission. Digital Bandpass Transmission. CW detection techniques Coherent Non-coherent Differentially coherent Examples of coherent and non-coherent detection error rate analysis (OOK)

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4-4-2 Advanced Radio Receivers

4-4-2 Advanced Radio Receivers. Learning Objectives: At the end of this topic you will be able to; e xplain that an RF amplifier can be used to improve sensitivity; explain that a superheterodyne receiver offers improved selectivity and sensitivity;

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1.13k views • 29 slides

ALMA Band-1 Receiver

552 views • 25 slides

344 views • 24 slides

Melissa Guidry Advisor: Eugeniy Mikhailov Department of Physics , College of William & Mary

Exploring the multi-mode structure of atom-generated squeezed light. Melissa Guidry Advisor: Eugeniy Mikhailov Department of Physics , College of William & Mary. Outline. Introduction to light quadratures Squeezed light Applications Squeezing through atoms Experiment Noise detection

376 views • 23 slides

Emission Security

Emission Security. Kay Jr-Hui Jeng. Emission Security (Emsec). Refers to preventing a system from being attacked using compromising emanations. How important is it. Military Organizations Spent as much on it as on cryptography Commercial World

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ECEG287 Optical Detection Course Notes Part 11: Coherent Detection

ECEG287 Optical Detection Course Notes Part 11: Coherent Detection. Profs. Charles A. DiMarzio and Stephen W. McKnight Northeastern University, Spring 2004. Overview. Coherent Detection Fundamentals Signals and Noise Balanced Detection Resolving Ambiguities Heterodyne Offset Homodyne

358 views • 19 slides

Realizing 3D Smart Dust Particles

Realizing 3D Smart Dust Particles. Zeynep Dilli. Introduction & Outline. MIT Lincoln Laboratories FDSOI Process: Adapted to chip stacking 3D Run in April 2005 Outline: System Description Process information Photodiodes: Design and Layout Simulation Results Layouts. Proposed System.

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Spectrum Slicer:

280 views • 15 slides

Quiz

Quiz. Draw a block diagram of a quadrature (I/Q) demodulator. LPF. Recovered I Data: I R (kT). Carrier Recovery cos( w o t ). S(t). Splitter. Splitter. -(p /2 ). Recovered Q Data: Q R (kT). LPF. System Considerations: Receivers/Transmitters.

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Integrated Circuits Design for Applications in Communications

Integrated Circuits Design for Applications in Communications. Dr. Charles Surya Department of Electronic and Information Engineering DE636 ?6220 ensurya@polyu.edu.hk. Introduction to Radio Communication System.

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AMPLITUDE MODULATION

AMPLITUDE MODULATION. Communication Systems : Prof. Ravi Warrier. Main Topics : Double sideband modulation, demodulation Amplitude Modulation - Suppressed carrier Single sideband Vestigial Sideband Superhetrodyne AM Receiver.

599 views • 10 slides

Chelmsford Amateur Radio Society Intermediate Course Tx/Rx Revision

Chelmsford Amateur Radio Society Intermediate Course Tx/Rx Revision. AGC. 1/ In a receiver why do we have AGC? Is it; A/ To keep the RF amplifier stable. B/ To maintain frequency stability. C/ To maintain a near level audio output under all signals conditions.

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The Performance of Chip-Scale Atomic Clocks

The Performance of Chip-Scale Atomic Clocks. V. Gerginov 1 , S. Knappe 2 , P.D.D. Schwindt 3 , V. Shah 2 , J. Kitching 3 , L. Hollberg 3 In collaboration with: J. Moreland 4 , L. Liew 4 , S. Song 4 Z. Popovic 2 , A. Brannon 2 1 Also with University of Notre Dame, Notre Dame, IN 46556

404 views • 10 slides