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Recent Radar Advancements and Trends
This eBook explores several topics relevant to radar performance, beginning with an article describing a radar architecture enabled by improved processing: the “holographic” or staring radar. The second article discusses how the performance of radars with complex waveforms can be assessed using sophisticated power measurement to characterize pulse operation and using noise signals with statistical power measurement to identify nonlinearities in the signal chain. Moving to the benefits of GaN on radar performance, Qorvo describes how increasing the operating voltage to 65 V increases device power density and power-added efficiency, to 9 W/mm and 80 percent, respectively. A second article from Qorvo compares the additive phase noise of linear and saturated amplifiers and between PHEMT and HBT processes. The eBook concludes with an interview with Dean White, director of Qorvo’s defense and aerospace segment, who shares his perspective of market needs and how Qorvo is aligning its process and product roadmaps to serve them.
Fundamentals of Radar and RF Power Generation
This eBook covers the fundamentals of radar technology and RF power generation theory. The first article covers the military radar market and outlook through 2025 followed by an extensive article that takes a comprehensive look at the many aspects of radar technology including the basics of radar operation, how radar works and various types of radar systems. The next two articles review the theory of operation for receiver protectors and magnetrons. The last article covers the underlying concepts of receiver protector life and how they apply to actual performance. This is a very good guide to the basics of radar and the theory of operation of the key components that generate high power RF signals for radar systems.
Design Considerations for High Reliability RF PCB Circuit Designs for Extreme Environments
This eBook addresses many design issues with PCBs for high power GaN devices, higher frequency mmWave circuits, thermal expansion effects, heat sinking, extending operating temperatures, reducing circuit size, copper surface roughness effects, interface materials and connector launch methods. The first two articles deal with high power GaN devices addressing some of the design challenges for high voltage and high frequency designs. The next article looks at PCB materials to reduce circuit size and the one after addresses thermal power handling in space applications. The next article looks at environmental effects on circuit performance and how to test them while the last two articles address designing PCB mmWave circuits including amplifiers.
Circuit Material Design Guide for mmWave Radar Applications
This eBook covers the design considerations for PCB laminate circuits and how to take these issues into account when designing for mmWave applications. Dielectric constant is a key material parameter that can vary due to temperature changes, within a substrate material due to the construction material, or over frequency. Dissipation factor is another key parameter that can affect the losses in a circuit and become very significant at mmWave frequencies. Metal surface roughness is another important consideration that can increase signal loss that is not significant at lower frequencies. The woven glass within the circuit material also causes changes in dielectric constant that can affect mmWave signals differently depending on the direction of the metal transmission lines. In addition, datasheets might not provide all of the information you need to simulate a circuit accurately.
Development and Test of New Automotive Radar Technologies
This eBook is intended to help designers develop and test new radar sensor technologies as we have collected some of the latest articles in this area for this publication. The articles include a market overview, review of a new digital code modulation MIMO radar technology, a highly integrated 140 GHz FMCW radar for vital sign monitoring and gesture recognition applications, and several articles from test expert Rohde & Schwarz about measurement techniques for radar systems including optimizing beamforming from bits to RF beams, measurement of radar pulse stability and advanced methods for analyzing ultra-wide automotive radar signals.
Autonomous Driving Design Technology
BIS Research analysis estimates the global autonomous vehicle market was valued at 6.6 million units in 2017 and is expected to reach 67.5 million units by 2028, registering a CAGR of 20.78% between 2018 and 2028. A critical sensor in the autonomous suite is the radar module currently being used for ADAS applications in many cars. This eBook addresses many of the design challenges for radar sensors with articles covering the effects of materials on 77 GHz radar modules, interference challenges in urban environments, testing challenges, and PCB materials solutions to the thermal and high frequency effects.
Design Trends in Automotive Electronics and Radar Sensors
The high growth rate of automotive electronics in recent years shows the importance of electronics and radar sensors for future vehicle development. This eBook offers design information covering high-resolution, wideband radar measurement challenges, automotive radar & the congested spectrum, design challenges of infrastructure for automotive wireless charging, and antenna design & testing.
Automotive Radar Design Considerations for Autonomous Driving and Safety Systems
This eBook is a compilation of recent articles published by Microwave Journal on mmWave technology, automotive radar sensor trends and innovation, choosing the right PCB materials and configurations for high frequency automotive radars, the future of automotive radar testing and interference issues that need to be addressed.
Advances in Radar, Test and Integration
Strategy Analytics stated that current technology advancements in the areas of Doppler processing, dual-polarization, electronic digital beamforming, solid-state transceivers, pulsed-compression, direct digital data conversion, signal processing algorithms, 3-D displays and data analytics are adding impetus to radar spending globally through both upgrades on existing systems as well as new radar procurements. This eBook collection of articles provides an overview of many of these trends and technology advancements including design tradeoffs, new architectures, new simulation and testing techniques and more.
Advances in AESA Radar
The four technical articles selected by the editors for this ebook cover the latest industry trends in AESA radar ranging from traditional T/R module based arrays to new tile array configurations and a review of metamaterials approaches. Analog versus digtial beamforming including a hybrid approach are also covered.