rcs measurement facility
The rotating tables accept a wide variety of targets ranging from small missiles and reentry vehicles to full-size aircraft and ground vehicles weighing up to 60,000 pounds. An outdoor far-field RCS measurement facility has been designed and an experimental test range has been implemented in Oberpfaffenhofen to precisely measure the RCS of reference targets used in future X-band SAR calibration campaigns. Additionally, a tailored data package, full test reports, including analysis and interpretation of data, and special data processing are provided to range users according to their requirements. The second objective was to use the facility to investigate the scattering of metallic versus transparent aircraft canopies relative to the scattering of the total aircraft. Compact Range RCS Measurement Facilities In the 1980's there was tremendous interest in adapting the compact range for radar cross-section measurements. RAMS is a self-contained, secure test complex consisting of the Target Support facility, an 8900 foot paved shadow plane range, the Central Facility, and an office complex, situated at the base of the San Andres mountains 35 miles northwest of the NRTF Mainsite. Formerly known as RATSCAT, which began measuring radar … Using three highly distinct DoD RCS test facilities as test cases, the DoD RCS Demonstration Program executed a highly successful and realistic assessment of DoD’s RCS measurement capabilities. Measurements at Mainsite can be made at any frequency from 120 MHz to 18 GHz and at frequencies of 34 to 36 GHz and 94 GHz. Some of … All part of the Raytheon Missile Systems facility. Store the magnitudes and phases. Model Shop personnel have built models up to 58 feet in length and can perform extensive detailing to provide items such as inlet and exhaust ducts, rotating turbine and compressor blades, and moveable control surfaces. To download a Windows Media Player version A Boeing video showing the Bird of Prey technology Mainsite has a ground plane RCS range with monostatic and bistatic capabilities to support a variety of targets ranging from small targets to full-scale operational targets. Boeing photo by Peter George Boeing’s Near Field Test Facility (NFTF) is an innovative indoor near field RCS measurement facility for analysis of aircraft parts, models, and full-scale production aircraft. The purpose of this study was twofold, the first objective was to complete the development of AFIT's Far-Field Radar Range with a fully automated measurement process. lots of unusual antennas, measurement gear and emitters on the roof, in the field and on top of mounds and /or bunkers. Postal Address PO Box 395 Pretoria 0001 Tel: + 27 12 841 2911 Email: enquiries@csir.co.za Physical Address Meiring Naudé Road Brummeria Pretoria South Africa. As scale factors increase in magnitude, the required test facility size, and thus cost, decrease. Linear model dimensions of ± 0.2 percent are routinely achieved with angle accuracy of 0.05 degrees. NRTF products directly support weapon system development programs, vulnerability assessment studies, and mission planning efforts throughout the DoD. 4. This book specifically describes some of the facilities in the Mojave, and their capabilities. The classic use of network analyzers is actually to characterize Odendaala*, L. Bothab and J. Jouberta W E PRESENT AN OVERVIEW OF A FULL-scale static RCS near-field measure-ment facility, and some sample mea-surements.Themeasurements,andthetarget, are in the near-field RCS range. The MI’s measurement systems, together with the MI-3000 data acquisition and analysis software, can be configured to take RCS measurements using the optional MI-3048 RCS Analysis Software. A full-scale static radar cross-section (RCS) measurement facility J.W. right click here and select "Save Target As...". The primary support structures used at Mainsite are foam columns, constructed of beaded polystyrene. You may be trying to access this site from a secured browser on the server. Radar Target Scatter (RATSCAT) Advanced Measurements (RAMS). The W-band chamber is mainly used for bi-static reflection measurements on canonical targets and … SOLANGE is operated by CELAR, part of the French Defense Ministry, and is large enough to mount a full-scale aircraft or test article indoors. A useful and cost effective technique for performing RCS evaluation of targets is making use of scale model testing. Cranes, manlifts, forklifts and other heavy equipment are available on site for mounting of large and small targets. Modeling standards are based on customer requirements, radar scattering principles, and fabrication techniques. of RCS. A foam column was constructed from a single billet of material. Z-540 is adopted to standardize the documentation, processes, and procedures used by all DoD and industrial RCS measurement facilities. In addition to these capabilities, Mainsite has the resources to accomplish the design and construction of model targets. The National Radar Cross Section (RCS) Test Facility (NRTF) is the premier DoD facility for RCS testing. Originally conceived as a method for testing X and Ku band fire control radars, there had to be significant changes in the compact range in order to make it usable for making RCS measurements of large targets. The electromagnetic theory associated with a continuous wave (CW) background cancellation technique for measuring RCS is discussed as background. In addition to supporting ongoing development programs and special projects, the NFTF plays a critical role in F/A-18E/F Super Hornet production. With RCS designs, this involves tak-ing the object to an RCS measurement facility and measuring the radar return of the object. Picture going around of LCA-Tejas (LSP-1) fighter jet mounted on a Pylon system on a height of 10 meters above the ground at DRDO’s Orange facility for its Radar Cross Section (RCS) measurements for enhancing the minor stealth features of the smallest fighter jet in the world. General Enquiries. Antenna Measurements, RCS Measurements and Measurements on Pulsed Signals with Vector Network Analyzers R&S®ZVM, R&S®ZVK This application note describes the suitability of the R&S ® ZVM and R&S ® ZVK as multichannel microwave receivers for antenna measurements and RCS measurements including measurements on pulsed signals. Once a facility commits to obtaining range certification, this report provides the necessary information to guide These measurements will be performed on stationary aircraft, as opposed to dynamic (in-flight) RCS measurements. RCS measurements fall into two categories, evaluation and diagnosis. Radar Cross Section Measurement Facility (RCSMF) is a fixed shore based facility used to measure the Radar Cross Section (RCS) of ships/ other targets for a given frequency/ frequency range. This thesis addresses the design methodology surrounding an automated scattering measurement facility. These columns are then attached to the appropriate sized turntable. The Boeing Bird of Prey technology demonstrator (top) validated a number of advances in aerodynamics, materials, production techniques, and low-observable "stealth" technology. Both monostatic and bistatic RCS, as well as antenna patterns, can be measured, and special measurements such as near-field, JEM, glint, and Doppler are available upon request. Most of the projects the Near Field Test Facility supports are not publicized; the photos on this page illustrate three examples which have been declassified. In addition, problems associated with interfacing test … Boeing was awarded the contract to convert as many as 125 retired F-16s into QF-16s. The system operates over the 0.2 to 18.0 GHz range. Assigned to the U.S. Air Force’s 781st Test Squadron, NRTF is located west of Holloman Air Force Base, New Mexico in a rolling gypsum region of WSMR. The system operates over the 0.2 to 18.0 GHz range. establish a technical and procedural quality system for any arbitrary RCS measurement facility. The task of creating designs based upon theo-retical modeling and sim-ulation must be proven in the end. Important Parameters. The radar measurement equipment was manufactured by the System Planning Corporation in Arlington, Virginia. A large compact range facility required a foam column for RCS testing where the center of the quiet zone was six meters above the floor level. Raytheon Missile Systems RF test facility (Google Maps). Formerly known as RATSCAT, which began measuring radar scattering in 1963, it is comprised of two complementary sites, Mainsite and RATSCAT Advanced Measurement System (RAMS). 4. Corrections fordistancearemadeusingsophisticatedsoft-ware. Large, heavy targets can be mounted with an accuracy of ±0.5 to 1.0 degree in roll and pitch. Formerly known as RATSCAT, which began measuring radar scattering in 1963, it comprises two complementary sites, Mainsite and RATSCAT Advanced Measurement … Indoor RCS measurement facilities are usually dedicated to the characterization of only one azimuth cut and one elevation cut of the full spherical RCS target pattern. Please enable scripts and reload this page. The RCS measurement after vector background subtraction, had to be accurate down to a –50 dBsm level from 1.5 GHz to 40 GHz. 3. Our measurement capabilities are extensive and include: RF and phased array radar cross section (RCS) testing and diagnostics; Design verification; Antenna evaluation; ISAR imaging technology; Antenna field pattern testing; Low observable design verification; Aircraft integrated forebody measurement; Airborne and ground-to-air RCS testing; Material characterization Orbit/FR has designed and instrumented a test facility that is capable of performing high scale factor model testing as well as component and material segment testing. The F-15 (right) is the Boeing-owned F-15E1 testbed aircraft, modified to the Silent Eagle low-RCS version, with canted tails, internal weapons carriage, and other treatments to lower the F-15's frontal aspect RCS to levels comparable to fifth-generation fighters. The project also included a self-propelled field probe. Known as the Radar Advanced Measurements (RAM) and Radar Target Scatter (RASCAT) facility, it's part of the National Radar Cross Section Test Facility … As part of a system upgrade, The Howland Company developed a range geometry design including a unique antenna enclosure and aperture to minimize chamber wall, floor, and ceiling illumination; antenna layout; and RF absorber fence design. using Z-540 to standardize the documentation, processes, and procedures used by all DoD RCS measurement facilities. The density of the material used is dependent upon the weight of the target to be supported, with the shape designed to minimize the return signature. In order to perform more complete characterizations, a spherical experimental layout has been developed at CEA for indoor Near-Field monostatic RCS assessment.
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