High Power Microwaves

Benford, James; Swegle, John A.; Schamiloglu, E.

doi:10.1201/b19681

Cited by 205 publications

(84 citation statements)

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“…This enables the HPM systems utility in solar power microwave transmission through space to ground and in space beam driven rocket. 1 Most of the HPM sources generate azimuthally symmetrical mode TM 01 and TEM. Direct radiation of TM 01 mode using horn antenna provides null along the boresight in the far field region.…”

Section: Introductionmentioning

confidence: 99%

Circular sectoral waveguide TM₀₁ to TE₁₁ mode converter

Kumar

Dwivedi

Jain

2019

Micro & Optical Tech Letters

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A high power microwave (HPM) TM01 to TE11 mode converter using circular sectoral waveguide (CSWG) is analyzed in this article. The design is simulated and validated by the measurements. The conversion efficiency is more than 90% over the frequency range 2.97‐3.02 GHz, Along with more than 99% of the input power is radiated at 3 GHz. The proposed all metal CSWG mode converter is of low weight, linear in design and HPM sustainable, having high return loss and good conversion efficiency.

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Section: Introductionmentioning

confidence: 99%

Circular sectoral waveguide TM₀₁ to TE₁₁ mode converter

Kumar

Dwivedi

Jain

2019

Micro & Optical Tech Letters

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“…In back-door coupling, the "radiation couples through imperfections (apertures) in an electromagnetic shield, giving rise to a diffuse and complex field pattern within the shielded structure" [76]. Consequently, predicting the susceptibility of systems against back-door coupling is a hard task "without detailed testing, although properties averaged over frequency bands can be predicted" [80]. In other words, although the resonant behavior of simple geometric structures (e.g., lines and rectangles) has been extensively studied [81], extensive experiments are necessary to identify the extent to which intermodulation products appear [79].…”

Section: Electromagnetic Transmissionsmentioning

confidence: 99%

Taxonomy and Challenges of Out-of-Band Signal Injection Attacks and Defenses

Giechaskiel

Rasmussen

2020

IEEE Commun. Surv. Tutorials

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Recent research has shown that the integrity of sensor measurements can be violated through out-of-band signal injection attacks. These attacks target the conversion process from a physical quantity to an analog property-a process that fundamentally cannot be authenticated. Out-of-band signal injection attacks thus pose previously-unexplored security risks by exploiting hardware imperfections in the sensors themselves, or in their interfaces to microcontrollers. In response to the growingyet-disjointed literature in the subject, this article presents the first survey of out-of-band signal injection attacks. It focuses on unifying their terminology and identifying commonalities in their causes and effects through a chronological, evolutionary, and thematic taxonomy of attacks. By highlighting cross-influences between different types of out-of-band signal injections, this paper underscores the need for a common language irrespective of the attack method. By placing attack and defense mechanisms in the wider context of their dual counterparts of side-channel leakage and electromagnetic interference, this study identifies common threads and gaps that can help guide and inform future research. Overall, the ever-increasing reliance on sensors embedded in everyday commodity devices necessitates that a stronger focus be placed on improving the security of such systems against out-of-band signal injection attacks.

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“…Previous studies have shown that the conversion from electron beam to electromagnetic wave occurs mainly between the anode and virtual cathode, and that the energy transfer from the beam to the electromagnetic wave is inefficient if the feedback of the electromagnetic wave is weak. 13,14 An electric field with a large vibration amplitude is required to strengthen the feedback of the electromagnetic wave, and a double anode configuration ( Figure 2D) has been proposed as a method for obtaining this electric field.…”

Section: Effects and Operation Of Double-anode Configurationmentioning

confidence: 99%

High Power Microwave Generation by Double-Anode Virtual Cathode Oscillator

et al. 2019

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The virtual cathode oscillator (vircator) is one of the promising devices to oscillate high-power microwaves. Simplicity and high-power capability are advantages. However, the low efficiency and frequency stability are serious problems. In this article, we dealt double anode to strengthen the microwave interactions. The measurement result shows that the output of the virtual cathode oscillator can be progress by using the double-anode. K E Y W O R D Sdouble-anode, feedback, high-power microwave, virtual cathode oscillator Electr Eng Jpn. 2020;210:11-18.

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High Power Microwaves

Cited by 205 publications

References 0 publications

Circular sectoral waveguide TM₀₁ to TE₁₁ mode converter

Circular sectoral waveguide TM₀₁ to TE₁₁ mode converter

Taxonomy and Challenges of Out-of-Band Signal Injection Attacks and Defenses

High Power Microwave Generation by Double-Anode Virtual Cathode Oscillator

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High Power Microwaves

Cited by 205 publications

References 0 publications

Circular sectoral waveguide TM01 to TE11 mode converter

Circular sectoral waveguide TM01 to TE11 mode converter

Taxonomy and Challenges of Out-of-Band Signal Injection Attacks and Defenses

High Power Microwave Generation by Double-Anode Virtual Cathode Oscillator

Contact Info

Product

Resources

About

Circular sectoral waveguide TM₀₁ to TE₁₁ mode converter

Circular sectoral waveguide TM₀₁ to TE₁₁ mode converter