Products/Services for Direction Finding Correlative Interferometers
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Interferometers - (105 companies)Interferometers measure distance in terms of wavelength and determine the wavelengths of light sources. They use two or more flat mirrors to split off or pick off beams from a light source such as a laser, lamp, or star. The beams are then combined...MeasurementOptical ConfigurationLight Source / Laser Type -
Research and Development Services - (2239 companies)Research and development services perform original investigation to gain new knowledge (research) and/or apply research findings to create or improve products and processes (development). Research and development (R & D) service providers perform... -
Compasses - (73 companies)Compasses are navigational instruments that determine direction relative to Earth 's magnetic poles. Compasses are navigational instruments that determine direction relative to Earth 's magnetic poles. Mechanical versions...
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Weather Instruments - (328 companies)Weather instruments are designed to measure one or multiple components of weather including wind speed and direction, rain or snow fall, solar radiation, temperature, pressure and humidity. Weather instruments include sensors, gauges, and other... -
Finite-difference time-domain (FDTD) Software - (5 companies)Finite-difference time-domain (FDTD) software is a analysis that models electrodynamic systems by finding approximate solutions to a set of differential equations associated to the system. Finite-difference time-domain (FDTD) software is a numerical...
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Antennas - (1281 companies)...the plane to reduce power waste and increase transmission distance. Directional antennas are designed to propagate radio waves in a specific direction with a high concentration of focus. These are excellent for direct communication between two points...
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Wavefront Sensors - (9 companies)...and how far it is away from a normal focal spot, a wavefront can be approximated to determine whether it is normal or distorted. Quadriwave lateral shearing interferometer sensors make use of a diffractive grating that will cause four replicas...
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Optical Flats - (52 companies)...surface forms an air wedge where the surfaces do not touch. The change in the thickness of the air wedge shows the direction and shape of the interference bands. When viewed under monochromatic light, light and dark bands will be visible. These bands...
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Magnetometers - (69 companies)Magnetometers are scientific instruments that measure the strength and/or direction of a magnetic field. There are two basic types: scalar and vector. How to Select Magnetometers. Image Credit: Tradeport Electronics Group. What are Magnetometers...
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Career Management and Placement Services - (117 companies)Career management, development and placement services include consultants, businesses, organizations and employment agencies that provide information and resources related to employment and career direction. Career management and placement services...
Product News
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Remcom (USA)
Phase Difference for UWB Direction Finding in XF and plot the phase difference between antenna elements. This capability is critical for designers of phased arrays used in angle of arrival (AoA) estimation for direction-finding systems. With the rapid growth of ultra-wideband (UWB) technology for high-precision indoor localization and tracking, the ability to accurately simulate phase difference of arrival (PDoA) is essential for predicting system performance. By including a phase unwrapping option, XFdtd automatically resolves a key signal... (read more)Browse Finite-difference time-domain (FDTD) Software Datasheets for Remcom (USA) -
Pratt & Whitney Measurement Systems, Inc.
Our exclusive digital interferometer Labmaster Universal - Model 1000M. With a 40 inch (1016mm) direct reading range and an 80 inch (2032mm) capacity with optional probes, this laser-based Universal Measuring System is designed for high accuracy, ID/OD/SD* gage calibration and part measuring. Swivel, centering, tilt, and elevation knobs are all standard and easy to use. Features include laser interferometer, computer control, air bearings, bi-directional probes, constant measuring force, and flexible fixturing. These features... (read more)Browse Bore and ID Gages Datasheets for Pratt & Whitney Measurement Systems, Inc. -
Zygo Corporation
Interferometer Accessories . Reference Spheres. Mechanical. Mounts. Mount accessories. Output accessories. Vertical workstations. Radius of Curvature. Guide rail (manual). Encoded ROC. Interferometric ROC. More Information... For more information about the accessories listed above, please download the appropriate accessories guide and/or spec sheet... Laser Interferometer Accessory Guide (PDF). Transmission Spheres Specifications (PDF). Transmission Spheres Selection Guide (PDF). Interactive Transmission Sphere Selector (Excel... (read more) -
Micro-Epsilon Group
Interferometer for precise layer control The innovative IMS5200-TH white light interferometer from Micro-Epsilon opens up new perspectives in the nanometer-precise inline inline measurement of thin films. With a measurement rate of up to 24 kHz, the IMS5200-TH controller is ideally suited for dynamic industrial applications. Transparent materials with a coating thickness of 1 um to 100 um are detected by the high-precision IMP TH-26 sensor. The factory calibration of the sensor and controller enables nanometer-precise air gap... (read more)Browse Interferometers Datasheets for Micro-Epsilon Group -
Zygo Corporation
ZMI ™ Displacement Measuring Interferometers a variety of... * Laser Heads. * Interferometers & Optics. * Measurement Electronics. * Cables & Feedthroughs. This modular approach allows you to configure a system that best suits your needs by selecting the most appropriate components. As always, we're here to help; contact your local ZYGO sales representative to assist with the selections. (read more)Browse Semiconductor Metrology Instruments Datasheets for Zygo Corporation -
Sensata Technologies
Direction of Current Flow for Contactors All Sensata | Gigavac contactors can carry current in both directions on closed contacts. The term "bidirectional " refers to the ability to switch/open while current is flowing. Most Sensata | Gigavac contactors are designed and optimized to open current that is flowing in one direction to provide maximum current breaking capability. We do have contactors that are designed to be bidirectional. This is generally accomplished by changing the orientation of the internal arc blow-out magnets... (read more)Browse Electrical Contactors Datasheets for Sensata Technologies -
Coiling Technologies, Inc.
Need help finding the correct spring? Spring Basics. Springs can be defined as an elastic body which deflects under load and later has the ability to recover to its original position. There are various types of springs such as custom, compression, torsion, and suspension. Each spring type has unique features and design specification. It is always important to choose the right spring that best suits your application. Some guidelines for choosing the right spring: We first analyze your requirements and assist you to choose the best... (read more)Browse Torsion Springs Datasheets for Coiling Technologies, Inc. -
Zygo Corporation
Verifire XL - Large-Aperture Interferometer This fully integrated system is easy to use, with a heavy duty tip/tilt stage that provides repeatable part placement without the need for custom fixturing. The compact footprint, with built-in vibration isolation, requires minimal production floor space. Vibration Robust. The Verifire XL system includes ZYGO's patented QPSI TM acquisition technology which enables reliable high-precision measurements in the presence of vibration. QPSI enables true on-axis surface form metrology, without... (read more)Browse Interferometers Datasheets for Zygo Corporation -
Allegro MicroSystems Inc.
High-Performance Wheel Speed and Direction Sensor A19351: High-Performance GMR AK Protocol Wheel Speed and Direction Sensor IC. The A19351 is a giant magnetoresistance (GMR) magnetic sensor integrated circuit (IC) designed to measure ring magnets, especially for automotive wheel speed and direction applications. The IC fully integrates sensing elements, voltage regulators, analog-to-digital converters, and a digital controller to adaptively measure the magnetic signal and provide a robust, low-jitter AK Protocol output over the two-wire... (read more)Browse Speed Sensors Datasheets for Allegro MicroSystems Inc. -
Renishaw
XK10 alignment laser system for machine tool rail parallelism, flatness, and level, as well as assessing spindle direction and coaxiality of rotary machines. It is a powerful tool for diagnosing the source of errors following a rebuild or as part of regular maintenance. The traditional method for parallelism measurement has previously been achieved by using a bridge plate and master rail, in combination with a dial gauge and level meter. This method is time-consuming and is prone to error as the measurements are recorded manually. The XK10... (read more)Browse Calibration Instruments Datasheets for Renishaw
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Communications, Signal Processing, and Systems
… 2-Dimensional correlation interferometer algorithm azimuth angle, 500 dimension separation (see Dimension separation) distance, assumed phase differences and actual values, 499, 500 elevation angle, 501 phase difference model, 494–495 speed, 499, 501 2-Dimensional direction finding correlation interferometer (see Correlation interferometer) description …
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Characterizing the performance of single‐channel Pseudo‐Doppler direction finding systems at 915 MHz for vehicle localization
A single channel correlative interferometer direction finding using VXI receiver.
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CDF-1100 Direction Finding System
The CDF-1100 uses Digital Signal Processing to perform Correlative Interferometer Direction Finding (CIDF).
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A Joint Channel Equalization Algorithm Based on LMS--《Electronic Information Warfare Technology》2013年05期
Dong Chuangang Zhao Guoqing(The ECM Research Institute,Xidian University,Xi'an 710071,China);Improvement of Algorithm in Correlating Interferometer Direction Finding [J];Electronic Science and Technology;2008-03 .
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Modeling and Validation of a 915MHz Single Channel Pseudo Doppler Direction Finding System for Vehicle Applications
[6] A. Xiaobo, et. al., “A Single Channel Correlative Interferometer Direction Finding Using VXI Receiver,” IEEE Proceedings of the 3rd International Conference on Microwaves and Millimeter Wave Technology, pp. 1158-1161, August 2002.
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Sessions
13:20 225.1 Copy Capture Aided Correlation Interferometer Direction Finding K. A. Struckman, BAE Systems, United States 13:40 225.2 Error Associated with the Direction of Arrival Estimation in the Presence of Material Bodies N. Yilmazer, Texas A&M University-Kingsville …
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Resolution of low elevation radar targets and images using a shifted array correlation technique
Several correlation based algorithms have been implemented since the 1973 imp tion of Correlation Interferometer Direction Finding (CIDF)[l].
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Performance analysis and comparison of correlative interferometers for direction finding
Index Terms— Direction finding ; correlative interferometer ; direction of arrival (DOA); perturbation analysis; least squares .
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Table of contents
II-205 Sebnem Seckin Ugurlu Extended Symmetrical Aperture Direction Finding Using Correlative Interferometer Method.................................................................................................................
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Plath Direction-Finding (DF) antennas
Its lowest frequency sub-band (20 to 200 MHz) makes use of a base antenna that has a diameter of 3.3 metres and the assembly as a whole supports the correlative interferometer direction - finding technique over its entire frequency range.
