Nearfield Systems, Inc.
A small high technology company located in the greater Los Angeles area that manufactures instrumentation used to measure the RF performance characteristics of microwave radio antennas.
- (310) 525-7000
- sales@nearfield.com
- 19730 Magellan Drive
Torrance, CA 90502
United States of America
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Product
Rotary Positioners
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NSI-MI rotary positioners are designed to provide the optimum balance between outstanding performance, maximum power density, and excellent application flexibility. Their highly-engineered structures and drive systems provide superior precision motion in compact envelope sizes. Whatever size rotary positioner you need for your application, we provide it.
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Product
Rotators And Pylons
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NSI-MI's Radar Cross Section (RCS) target positioning solutions are high-performance systems designed for conducting accurate and precise monostatic scattering measurements. These systems, consisting of a low-observable support structure (pylon) and azimuth-over-elevation rotators, offer exceptional edge sharpness and surface accuracy. Built with compact high-strength structures, high-power mechanical drives, low-backlash gearing, and high-accuracy absolute encoders, all models of the RCS target positioning system deliver outstanding performance. Using advanced features and customizable options, NSI-MI target positioning solutions provide the reliability and precision required for RCS measurements in a wide range of applications.
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Product
Test Services
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A2LA-accredited measurement facilities, combined with our expert staff of engineers, can tackle any unique test and calibration requirements with precision and accuracy. Our equipment is calibrated with NIST traceability providing you with the assurance that we can accurately and consistently characterize your antennas, radomes and other devices.
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Product
Signal Sources
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NSI-MI’s synthesized Signal Source devices provide fast, accurate and economical signal generation solutions for a wide range of test and measurement applications. These sources are designed to be used in test and measurement situations where speed is paramount. Sources can also be located remotely, to support our distributed solutions, making them ideal for all RF measurement applications.
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Product
Linear Positioners
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NSI-MI's linear positioners range from portable single-axis floor slides to multi-axis 28.0 m ( 98.8 ft) x 12.0 m (39.3 ft) precision XY positioners. Linear position repeatability better than ±0.02 mm (0.0007 in.) and planarity better than 0.025 mm (0.0009 in.) RMS is offered in select models.
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Product
Antenna Products
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Our antennas are designed and manufactured in our factory by our experienced staff of antenna design engineers whom are the best in the industry.
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Product
Compact Range Reflectors
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The company advances every aspect of reflector system development—from design and fabrication to surface characterization, transportation, installation, and electromagnetic evaluation.
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Product
Position Control
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NSI-MI's precision measurement control products are well established in the RF test and measurement market and while our strength is in antenna, radome and RCS measurements our position controllers have gained acceptance in the fields of general instrumentation and manufacturing. Our position controllers offer coupled, multi-axis control of servo and stepper motors and allow for encoder and laser interferometer feedback integration.
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Product
Positioning Products
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NSI-MI offers a full spectrum of positioning products extending from ready-to-fit, single-axis units to completely integrated multi-axis positioning systems. Our products are used in various test and measurement, pointing/tracking, and other general purpose single/multiple payload positioning applications.
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Product
Measurement Control
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Extend your capability to control your antenna-under-test with our position controllers. These devices allow for multi-frequency, multi-port acquisition, as well as added multi-beam control of your AUT in real time. capabilities for control of your antenna-under-test (AUT) during the acquisition process. Our position controllers allow for multi-frequency, multi-port acquisition capability. These devices enhance your measurement systems to add multi-beam control of the AUT during the real-time data acquisition process.
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Product
Software
MI-3000
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This family of products combines to enable highly efficient range operations, data management, data presentation and analysis. NSI-MI has created an open architecture solution designed for use with advanced microwave measurement systems, prior generation NSI-MI Technologies instrumentation or many third-party instruments and position control systems.
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Product
RF Instrumentation
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Our electronic products are custom-designed for fast and accurate data acquisition so you can make the most out of your range time. Optimized with the rest of our product line, you get a best-in-class measurement system backed by our longstanding reputation of high quality and unsurpassed performance. Our electronic products are also compatible with prior generation NSI-MI Technologies' instrumentation and also with many third party instruments.
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Product
Receiver Products
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Designed specifically for high performance antenna testing, we use the latest technology to design and manufacture the fastest and most powerful system receivers in the industry. Antennas have become complex and tightly integrated RF system components, requiring more than traditional analog input receivers. Our advanced digital receivers provide analog and digital inputs, in addition to features such as pulsed measurement capability and high resolution pulse profiling, to meet these demands.
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Product
Range Automation System
ELE-RAS
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NSI-MI’s Range Automation System (ELE-RAS) has been specially designed to automate the time-consuming tasks associated with antenna range reconfiguration. This system eliminates operator intervention for range reversal, band switching, and power level optimization in antenna measurement facilities. This hands-off approach reduces uncertainty, extends the life of sensitive components, reduces RF leakage, and dramatically increases throughput and productivity. The modular architecture allows each ELE-RAS system to be optimized for maximum performance. ELE-RAS is software and receiver agnostic, meaning that it can be used to improve efficiency in virtually any antenna test range. Standard solutions are available for 20 GHz and 50 GHz applications. The ELE-RAS architecture also supports custom solutions to meet your unique measurement challenges.
