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The article reports on the application of electronic-warfare (EW), surveillance, communications, and radar systems. Some of the functions that are essential for EW simulations are discussed. It is said that military users depend on several simulation systems, but electronic gear that recreates EW environments is popular, since EW systems can stand between life and death.

The article offers information regarding the Co-existence Tests for S-Band Radar and long-term evolution (LTE) network and the potential issues concerning S-Band radar systems and LTE networks from mobile devices and radar operating. Topics discussed include the operation of LTE in time division duplex (TDD) and frequency division duplex (FDD), presence of LTE signals in the radar receiver causing interference to radar system, and estimating the disturbance of radar caused by bandwidths.

The article discusses the Modular Platform Approach for ultra-wide bandwidths (UWB) radar system design along with its verification challenges. Topics discussed include the technology used by radar systems ranging from ultra- wide bandwidths (UWB) to phased arrays, technologies used by radar scientists to improve the low probability of intercept (LPI) properties of radar, and ability of UWB radar technology to increase track resolution of radar systems.

The article offers information about the low-noise balun aids phased-array radars.

The article reports on the evolution of radar technology. It is said that radar systems are evolving into multiple-function platforms, along with active signal switching and smaller, more efficient antennas. Digital technology, modern data converters such as analog-to-digital converters and digital-to-analog converters have enhanced radar technology.

The article presents brief information on the WXR-2100 MultiScan radar from aerospace and defense company Rockwell Collin, and the RDR-4000 weather radar from American multinational conglomerate company Honeywell.

The article discusses the importance of phase noise a critical factor in sophisticated radar and communication systems and serves a key parameter in defining target acquisition in radars and spectral integrity in communication systems. Topics include the use of phase noise as a measure of the frequency stability of an oscillator, the impact of phase noise to the performance of many microwave systems and the relation of Doppler effect to the velocity of the object being imaged in radar systems.

The article reports that according to the Royal Australian Air Force the Jindalee Operational Radar Network (JORN) was designed to detect air targets objects on the surface of the water equivalent in size to an Armidale Class Patrol Boat. Topics discussed include use of High-Frequency (HF) band in JORN; replacement of Information Communications Technology (ICT) hardware in JORN; and views of Neale Prescott, Director of Business Development at Lockheed Martin Australia, on radars.

The article offers information on the impact of warships over transparency of sky as well as weather conditions. Topics discussed include use of Schiebel rotary wing Camcopter S-100 unmanned air system (UAS) by the warships; improvement required in the radar sensors used in the flying vehicle; and views of Hans Georg Schiebel, owner of Schiebel Group, on purchase of Camcopter S-100.

The article discusses the use of satellite-based radar technology known as remote sensing to monitor tailing storage. Topics mention including using interferometric synthetic aperture radar (InSAR) technique, vital role of forward monitoring in understanding the natural behavior of mining dams and gaining popularity and acceptance such as by mine operators and geotechnical engineering consultants.

The article discusses the rising commercial adoption and applications of compact radar sensors due to advances in technology. Topics discussed include the introduction of compact radar systems in automobiles, advances in design which address the issues of form factor and power consumption, and the efforts of integrated circuits (IC) manufacturers to reduce the cost of radar sensors.

The article reports on the technology survey conducted by the journal that focuses on radar jammers, designated either as self-protection jammers or support jammers. A hostile radar system is prevented by a self-protection jammer from being able to track the host platform and launch a missile or aim a gun at it.

The article focuses on modern complex radar systems with wide bandwidths. It is stated that advancements in radar systems are requiring test instruments with greater precision to measure narrower pulse widths. Software company Agilent Technologies Inc. supplies high-performance test and measurement equipment and simulation software solutions for radar applications. National Instruments Corp. offers various radio frequency (RF) and baseband products for radar validation.

In this article, David Johnson, Minister of the Australian Department of Defence, outlines the reasons behind the purchase of 72 fifth generation F-35A Lightning II multi-role aircraft. He states that the F-35 aircrafts have multi-spectral sensors, advanced weapon types and modernized avionics. It discusses several features of the F-35 aircrafts including stealth characteristic, networked advanced sensor data fusion and color-weather radar.

The article discusses the challenges in research and development of digital and radio frequency (RF) microwave technologies. It addresses the design process, system integration and testing of radar systems as well as the software tools used in the design process. It mentions the active and passive radar systems and their capabilities.

The article focuses on the move of the U.S. Department of Defense (DoD) to combine the functions of electronic warfare (EW) and active electronically scanned array (AESA) to accommodate the communications systems. Topics include the statement of doctor Paul Monticello on the difference between the timeliness of radar and EW systems, mercury as an example of embedded systems, and criticism on the Defense Advanced Research Projects Agency (DARPA)'s technology development approach.

The article focuses on the innovation to application and the move to commercialisation of automotive radar. It offers the background for the development of the radar, in which automatic cruise control (ACC) system base on millimetre-wave radar has been the center of radar study and development. It mentions that the aspect of radar, from long range radar (LRR) through medium range radar (MRR) to short range radar (SRR), has demonstrated that it has the capability to lessen road accidents.

The article discusses the right way to conduct ultrasonic continuous level measurement. It notes that ultrasonic is one of five non-contacting level measurement technologies which include radar, nuclear, laser, and weight. It explains the "time of flight" principle that goes into the operation of ultrasonic level sensors and cites physical installation considerations such as compatibility of sensor housing material, and operating temperature range.

The article discusses the move of large and small unmanned aerial systems (UASs) from their established use in the military into the civilian sector. It mentions the expectations to have new protocols, rules and modern air traffic control systems in the European Union (EU) and the U.S., the easing of restrictions and permissions for potential uses of UASs. It also notes mission capabilities of UASs including target drones, radar decoys and the outlook for civil UAS production from 2015-2022.

The article offers information on several radar systems including the radar backpack kit from Raytheon Co., the multifunction phased array radar (MPAR) from M/A-COM Technology Solutions Inc., and the virtual medical assistant from Sensiotec Inc.

The article discusses the Airshow China held in Zhuhai, China in November 2016. It mentions Almaz-Antey promoted Moscow's counterstealth radar systems; display of the NNiiRT's Barrier-E forward-scattering, multispan radar by Almaz-Antey and JY-50, a passive VHF-band radar by CETC. It also mentions listing of detection range against the stealthy F-22 by radars.

The article reports that Echodyne Corp., a defense startup which develops metamaterial-based radar products, has developed a metamaterial radar with a detect-and-avoid (DAA) capability for small unmanned aircraft systems (UAS). The company conducted successful air-to-air radar tests in Texas and it is expecting to launch the production detect-and-avoid radar by early 2017.

The article reports that the Federal Aviation Authority (FAA) is focused in replacing its air traffic control weather and surveillance radar network without changing its budget. It focuses on the cash for the infrastructure to replace 800 radar systems including Doppler and Nexrad weather radar systems.

The article provides information on science related to low frequency counterstealth technology and digital electronics technology. Topics discussed include C-band used in surface-to-air missile (SAM) systems, absorptivity of radar absorbent material (RAM), F-117 stealth aircraft, and prediction of reflections through computer software programs.

The article discusses the fundamentals of stealth technology used in aircraft like the F-35 fighter jet from aerospace company Lockheed Martin. Topics covered include basic information about the science of stealth, the formulas used in calculating the metric of detectability called radar cross-section (RCS), and the difference between stealth or detectability and radar technology.

The article presents the Autonomous Radar Sensor Enables Smart Motion Sensing from Infineon Technologies AG.

The article evaluates several products defense including the Giraffe 4A and 8A radars from Saab, and TPS-80 Ground/Air Task Oriented Radar from Northrop Grumman.

The article informs about testing radar warning equipment in realistic scenarios is crucial to reliable performance in the field, and dedicated instruments or test systems have been used with commercial vector signal generators (VSG). Topics include the capability to play back a nearly unlimited range of signals from simple unmodulated pulses to radar signals with modulation on pulse (MOP); and high modulation bandwidth of these VSGs enables modern frequency- agile radars to be simulated.

The article presents the author views on the different approaches of the phase noise measurements. The author states that phase noise is a measure that shows the frequency stability of an electronic signal. the author further discusses the long-term frequency stability and short-term frequency stability, single-sideband (SSB) phase noise and phase-noise measurement techniques

The article focuses on the advantages of various slopes monitoring system in the mining industry. It offers brief information on various systems including the SiteMonitor laser scanning system, the GroundProbe's Work Area Monitor (WAM) and the Slope Stability Radar (SSR) system. It further informs that the monitoring system provide long range accuracy.

The article focuses on how direct-digital synthesizer (DDS) technology drives radar sensors based on frequency-modulated-continuous-wave (FMCW) methods. It is noted that FM-based radar systems are among the most elementary types of radar equipment due to their architectural simplicity. It is stated that the DDS defines a sampled data system with the attendant constraints because the data points of the output waveform are represented by digitally stored values.

The article focuses on the examination of radar warning receivers (RWRs) and radar electronic support measures (ESM) systems. It states that systems are designed to detect radar signals and also help in identifying emitter and warn of possible danger. It further states that these systems also prompt countermeasures systems. Several tables related to warfare models developed by the companies are presented.

The article looks at the AULOS passive covert radar (PCR) system being developed by SELEX Sistemi Integrati in concert with the Italian Ministry of Defense as of January 2013. It explains that PCRs are designed to detect and track down targets with the help of radio frequency (RF) signals emitted by Frequency Modulation (FM), Digital Audio Broadcast (DAB), and Digital Video Broadcast-Television (DVT-B) stations, and adds that they can be utilized in a wide variety of surveillance applications.

The article explores the complex challenges in the development of adaptable cognitive techniques for electronic warfare (EW) systems. It highlights the advantages and advanced aspects of cognitive systems over software-defined radio (SDR) systems which, although considered smart enough, have limited capability. Discussed are two programs designed to develop cognitive EW solutions, namely Adaptive Radar Countermeasures (ARC), and Behavioral Learning for Adaptive Electronic Warfare (BLADE).

This article proposes a new form of three-dimensional (3D) structure that can be easily constructed at a low cost. The proposed structure creates a set by combining a component attached layer-board using a frame-board as a spacer. Another element of the proposed structure stacks these sets to realize a tile structure similar to how a container house is built. Each set is connected through vertical interconnections by a solderless-method, using fuzz buttons. A tile structure active Transmit/Receive module is created, based on the proposed structure and is applied to an, active phased array radar, operating in the 18 GHz frequency range. The fabricated module and its test results confirm that the proposed structure is cost efficient and easy to realize. [ABSTRACT FROM AUTHOR]

The article discusses how advanced digital technology is driving the growth of the electronic warfare (EW) test market. Many modern EW systems are being integrated with other systems such as communications, navigation and radar systems. Test equipment also becomes sophisticated as the capabilities of new digital receivers improve and increase. Software-driven multi-functional EW test systems are being developed.

The article discusses the possible integration between electronic warfare (EW) systems and Active Electronically Scanned Array (AESA) radar. AESA radars are able to scan multiple targets at very fast speeds. Although AESA radars have many advantage over EW systems, EW systems have exceptional ability in identifying received threats and then transmitting them in near real-time. Next-generation EW systems are expected to have an AESA architecture.

The article discusses military applications for Active Electronically Steered Array (AESA) X-Band radars, such as for combat aircraft, Surface to Air Missile radar, and Early Warning radar. The history of Electronically Steered Arrays (ESAs) is discussed, as well as military radar manufacturing in the U.S., Europe, and Russia. Defense technology companies such as Northrop-Grumman, Phazotron, and Tikhomirov are discussed.

The article evaluates several airborne radar jammers, including the ALQ-196 from BAE Systems, ELT/553 from Elettronica, and the ALQ-135M from Northrop Grumman.

The article focuses on hiding a target from an inquisitive radar system under changing conditions through an active stealth cancellation system. Digital radio-frequency memory (DRFM), field-programmable-gate-array (FPGA) technology and a phased-array technique are used to design an active cancellation stealth system. With the phased-array technology, the required waveforms are generated to cancel reflected radar returns.

The article discusses the techniques for time sidelobe measurements with a pulse modulation or compression radar. It describes a simple compression radar and shows the time domain representation of a chirp pulse after compression. It outlines the steps for making the time sidelobe measurement using the Agilent 89600 VSA software or MATLAB from Mathworks by performing a correlation filter function that correlates or compares transmitter output signal to an ideal waveform.

The article focuses on recent developments the radar systems. It mentions that the wide range of application of radar technologies has made several companies to develop their technologies and informs about electronically scanned array (AESA) technology on which the latest radar systems of Raytheon Co. and Northrop Grumman Corp. are based. It states that Lockheed Martin's latest radar its 360-degree scanning technology on the EQ-36 radar.

The article discusses innovations in radar systems, with particular focus on the function and cost goals for defense radar systems contracted by the U.S. Department of Defense (DoD). Various elements of advanced radar systems are described, including analog-to-digital converters (ADC), Field Programmable Gate Arrays (FGPA), and radio frequency (RF) and microwave radar technologies.

The article discusses the technology survey of the "Journal of Electronic Defence" in March 2011 which examines radar warning receivers (RWR) and radar electronic support measures (ESM) systems. It compares the similarities and differences of RWRs and ESM systems with electronic intelligence (ELINT) systems, with the major difference being the handling of frequency range and spatial environment. The article includes statistics of RWR and radar ESM systems from Aeronix, Inc., Argon ST, and BAE Systems Australia, among others.

The continued "digitization" of radar front-ends and resultant transmit-receive flexibility, coupled with advances in advanced knowledge-aided (KA) high performance embedded computing (HPEC), have afforded a unique opportunity for a leap-ahead capability in a radar's ability to adapt to complex target-environment scenarios. This article provides an overview of one of the latest adaptive radar architectures to emerge from the nascent field of cognitive radar. [ABSTRACT FROM AUTHOR]

The article presents forecasts concerning innovations in aerospace and defense technologies that could develop in 2013. Topics include third-stream adaptive engines with reduced fuel consumption, the development of unmanned vessels that can patrol coasts and track submarines, and advances in active, electronically scanned array radar equipment.

The article presents aerospace industry news briefs as of August 27, 2012. It states that Australia's military plans on upgrading electronic attack systems for half of its Boeing F/A-18F Super Hornet jet fighters. The U.S. Air Force restarted a competition to replace TPS-75 transportable air-defense radars and awarded pre-development contracts to defense companies Raytheon, Northrop Grumman and Lockheed Martin. Airlines Air Berlin and Finnair plan to expand their code-sharing programs.

The article discusses the digital radio frequency memory (DRFM) subsystem. The subsystem, which captures, digitizes, and reconverts radio frequency signals to their analog origin before rebroadcasting them, is designed to confuse enemy radar enough to misidentify, mislocate, or totally lose the target. According to the author, the technology's unique capabilities, during the last decade, has made DRFM a vital platform both for threat simulation and tactical applications.

This article compares the performance of two different GaN transistor technologies, GaN HEMT on silicon substrate (PAI) and GaN on SiC (PA2), utilized in two broadband power amplifiers operating at 0.7 to 1.8 GHz. The study explores the broadband power amplifier potential of both GaN HEMT technologies for phased-array radar (PAR) and electronic warfare (EW) systems. The measured maximum output power for PAl is 42.5 dBm (18 W) with a maximum PAE of 66 percent and a gain of 19.5 dB. The measured maximum output power for PA2 is 40 dBm with a PAE of 37 percent and a power gain slightly above 10 dB. The high power gain, PAE, wider bandwidth and unconditional stability was obtained without feedback for the amplifier based on GaN HEMT technology, fabricated on Si substrate. [ABSTRACT FROM AUTHOR]

The article provides information on the design and technology of hybrid devices and diode limiters in radar systems. It notes that the sensitive components in radar receivers can be protected against transmitter and other high-level signals with the combination of diode limiters and surge arresters. It includes a review of various types of limiters that filter the undesired signals and excessive power levels.