'Noise temperature' presentation slideshows

Communication Engineer Satcom ABC series (4)

Communication Engineer Satcom ABC series (4). WU Boyang APMT. Photos of AsiaSat SCC Communication Payload Parameters Carrier Assignment Link Budget Frequency Resource and RF Equipments Payload Management Spectrum Assignment Carrier Management Technical Support

1.04k views • 70 slides

Communications Payload Engineering Owen Clarke

Communications Payload Engineering Owen Clarke. Aims. To describe the main components of the Communications satellite payload and explain how designs are impacted by the changing needs of the user. Contents. Introduction Payload Function Payload Constraints Payload Specifications

855 views • 53 slides

Basic Detection Techniques Front-end Detectors for the Submm

Basic Detection Techniques Front-end Detectors for the Submm. Andrey Baryshev /Wolfgang Wild Lecture on 10 Oct 2011. Contents overview. Submm / THz regime Definition and significance Science examples Submm detection: direct + heterodyne Heterodyne receiver systems

730 views • 53 slides

Radiometer Systems

Radiometer Systems. microware remote sensing S. Cruz Pol. Tx. Rx. Rx. Microwave Sensors. Radar (active sensor). Radiometer (passive sensor). Radiometers. Radiometers are very sensitive receivers that measure thermal electromagnetic emission (noise) from material media.

714 views • 52 slides

Basic Detection Techniques Front-end Detectors for the Submm

Basic Detection Techniques Front-end Detectors for the Submm. Wolfgang Wild Lecture on 21 Sep 2006. Contents overview. Submm / THz regime Definition and significance Science examples Submm detection: direct + heterodyne Signal chain, block diagram Heterodyne principle

576 views • 45 slides

ECE 590 Microwave Transmission for Telecommunications

ECE 590 Microwave Transmission for Telecommunications. Noise and Distortion in Microwave Systems March 18, 25, 2004. Random Processes. Random Processes. Expected Values. Expected Values. Expected Values. Autocorrelation and Power Spectral Density.

583 views • 41 slides

Mysteries of Noise Figure Sander Weinreb, California Institute of Technology

Mysteries of Noise Figure Sander Weinreb, California Institute of Technology sweinreb@caltech.edu , June 6, 2014.

497 views • 40 slides

Noise in Communication Systems Chapter # 2 Lecture # 3

5.04k views • 35 slides

Status of 1.8 THz Channel TELIS (TErahertz and submm LImb Sounder)

Status of 1.8 THz Channel TELIS (TErahertz and submm LImb Sounder). by Nopporn Suttiwong, Remote Sensing Technology Institute, DLR Oberpfaffenhofen. Preliminary design of the 1.8 THz Channel. 1.8 THz Channel (DLR). Mixer: Hot Electron Bolometer (HEB) Diplexer for coupling in LO DSB mode

478 views • 32 slides

How the key technology developments came about for Planck LFI

How the key technology developments came about for Planck LFI. Richard Davis JBCA. Orthomode Transition (OMT). This is inserted in the waveguide and is used to convert the e/m waves into electrical oscillations in some sort of stripline or some sort of probe

418 views • 32 slides

Radiation Sources for Spectroscopy and Imaging in the Submillimeter/Terahertz Frank C. De Lucia

Radiation Sources for Spectroscopy and Imaging in the Submillimeter/Terahertz Frank C. De Lucia Ohio State University Advisory Group on Electron Devices February 28, 2007 Arlington, VA. Terms of Reference 1. Assess state of R&D for compact SUBMM sources

488 views • 30 slides

Link Budget

708 views • 28 slides

Link Budget

1.45k views • 27 slides

Noise Figure Measurement using Natural Noise Sources

Noise Figure Measurement using Natural Noise Sources. Receiver sensitivity. Generally want best possible sensitivity Important at UHF/microwave frequencies where background noise levels are low Weak signals such as beacons can be useful. Noise figure definition. Thermal Noise. N = KTB

522 views • 21 slides

304 views • 17 slides

Noise Coupling in Focal Plane Arrays

Noise Coupling in Focal Plane Arrays. Jacki van der Merwe MScEng Stellenbosch University. Outline. Focal Plane Arrays Receiver Noise Low Noise Amplifiers Introduction to Noise Coupling Calculating Noise Coupling Active Noise Figure and Noise Temperature Examples. Focal Plane Arrays.

328 views • 17 slides

Cascaded Noise Figure and the Importance of Dicke Switching in Radiometric Applications

Cascaded Noise Figure and the Importance of Dicke Switching in Radiometric Applications. Thaddeus Johnson and Torie Hadel. Introduction. Thaddeus Johnson Bachelors in Electrical Engineering Worked in Microwave Systems Lab (MSL) and Micron Torie Hadel Bachelors in Electrical Engineering

444 views • 16 slides

? Introduction ? Bipolar-transistor read-out. ? PHEMT read-out ? Motivation

High sensitive bipolar- and high electron mobility transistor read-out electronics for quantum devices. N. Oukhanski and H.-G. Meyer. Contents:. ? Introduction ? Bipolar-transistor read-out. ? PHEMT read-out ? Motivation ? Features and construction ? Measurement setup and procedure

363 views • 14 slides

Equipment Noise Characterization

342 views • 10 slides

Large Sky Dip Calibration Runs

141 views • 8 slides