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In this paper, we present a high resolution microwave imaging technique using a compact and low cost single channel Frequency Modulated Continuous Wave (FMCW) radar based on Circular Synthetic Aperture Radar (CSAR) technique. We develop an…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Shahrokh Hamidi , Safieddin Safavi-Naeini

Building upon existing signal processing techniques and open-source software, this paper presents a baseline design for an RF System-on-Chip Frequency Division Multiplexed readout for a spatio-spectral focal plane instrument based on low…

Instrumentation and Methods for Astrophysics · Physics 2023-02-10 Colm Bracken , Eoin Baldwin , Gerhard Ulbricht , Mario de Lucia , Tom Ray

Studying the polarization and spectral distortion of the Cosmic Microwave Background (CMB) in tandem with intensity fluctuations of the Cosmic Infrared Background (CIB) allows us to verify our assumptions on cosmic inflation and investigate…

Polarization modulation is a powerful technique to increase the stability of measurements by enabling the distinction of a polarized signal from dominant slow system drifts and unpolarized foregrounds. Furthermore, when placed as close to…

We present RF-ICE, a novel readout platform for microwave kinetic inductance detectors (MKIDs), optimized for use on millimeter-wavelength telescopes. The RF-ICE system extends ICE, a versatile, mature signal processing platform currently…

Instrumentation and Methods for Astrophysics · Physics 2023-10-12 M. Rouble , G. Smecher , A. Anderson , P. S. Barry , K. Dibert , M. Dobbs , K. S. Karkare , J. Montgomery

We have developed a near-field scanned microwave probe with a sampling volume of approximately 10 micron in diameter, which is the smallest one achieved in near-field microwave microscopy. This volume is defined to confine close to 100…

Materials Science · Physics 2009-08-03 Vladimir V. Talanov , Andre Scherz , Robert L. Moreland , Andrew R. Schwartz

The Substrate Integrated Waveguide (SIW) technology is an attractive approach for the design of high performance microwave and millimeter wave components, as it combines the advantages of planar technology, such as low fabrication costs,…

Other Computer Science · Computer Science 2014-04-11 Bouchra Rahali Mohammed Feham

This paper conducts a comprehensive system-level analysis of mm-Wave full-duplex transceivers, focusing on a receiver employing a four-stage self-interference cancellation (SIC) process. The analysis aims to optimize the noise and linearity…

Systems and Control · Electrical Eng. & Systems 2024-11-14 Mohamad Mahdi Rajaei Rizi , Jeyanandh Paramesh , Kamran Entesari

We present improved performance for a 92 to 96 GHz cross-spectrum phase modulated (PM) noise measurement system reported. The system is principally designed to measure amplifiers in pulsed mode as well as in CW mode at a given pulse…

Instrumentation and Detectors · Physics 2014-05-30 A. Hati , C. W. Nelson , D. A. Howe

This paper describes a highly integrated, low power chip solution for ECG signal processing in wearable devices. The chip contains an instrumentation amplifier with programmable gain, a band-pass filter, a 12-bit SAR ADC, a novel QRS…

Hardware Architecture · Computer Science 2014-09-30 C. J. Deepu , X. Y. Xu , X. D. Zou , L. B. Yao , Y. Lian

A scheme of an ultra-sensitive magnetometer in the cavity quantum electromagnonics where the intracavity microwave mode coupled to a magnonic mode via magnetic dipole interaction is proposed. It is shown that by driving both magnonic and…

Quantum Physics · Physics 2021-06-16 Mehri Sadat Ebrahimi , Ali Motazedifard , Malek Bagheri Harouni

Diamond quantum sensors are sensitive to weak microwave magnetic fields resonant to the spin transitions. However the spectral resolution in such protocols is limited ultimately by sensor lifetime. Here we demonstrate a heterodyne detection…

Plasmonic, as a rapidly growing research field, provides new pathways to guide and modulate highly confined light in the microwave to the optical range of frequencies. We demonstrate a plasmonic slot waveguide, at the nanometer scale, based…

We present a detailed modeling and characterization of our scalable microwave nanoprobe, which is a micro-fabricated cantilever-based scanning microwave probe with separated excitation and sensing electrodes. Using finite-element analysis,…

Other Condensed Matter · Physics 2008-09-24 K. Lai , W. Kundhikanjana , M. Kelly , Z. X. Shen

The DeeMe experiment to search for muon-to-electron conversions with a sensitivity 10--100 times better than those achieved by previous experiments is in preparation at the Japan Proton Accelerator Research Complex. The magnetic…

Instrumentation and Detectors · Physics 2021-02-01 N. Teshima , M. Aoki , Y. Higashino , H. Ikeuchi , K. Komukai , D. Nagao , Y. Nakatsugawa , H. Natori , Y. Seiya , N. M. Truong , K. Yamamoto

This paper presents novel designs, analysis, and performance of 4-pole and 8-pole microwave and millimeter-wave (MMW) waveguide filters for operation at X and Y frequency bands. The waveguide filters have been designed and analyzed based on…

Signal Processing · Electrical Eng. & Systems 2018-10-04 Ardavan Rahimian

This paper presents a novel microwave photonic (MWP) radar scheme that is capable of optically generating and processing broadband linear frequency-modulated (LFM) microwave signals without using any radio-frequency (RF) sources. In the…

Signal Processing · Electrical Eng. & Systems 2021-06-14 Pei Zhou , Rengheng Zhang , Nianqiang Li , Zhidong Jiang , Shilong Pan

We describe instrumentation for conducting high sensitivity millimeter-wave cavity perturbation measurements over a broad frequency range (40-200 GHz) and in the presence of strong magnetic fields (up to 33 tesla). A Millimeter-wave Vector…

Materials Science · Physics 2009-10-31 M. Mola , S. Hill , P. Goy , M. Gross

With the severe spectrum shortage in conventional cellular bands, millimeter wave (mmW) frequencies between 30 and 300 GHz have been attracting growing attention as a possible candidate for next-generation micro- and picocellular wireless…

Networking and Internet Architecture · Computer Science 2014-04-29 Mustafa Riza Akdeniz , Yuanpeng Liu , Sundeep Rangan , Elza Erkip

In this paper, we explore theoretically and experimentally broadband spatiotemporally modulated (STM) magnet-less circulators realized by combining three-port non-reciprocal junctions with three identical bandpass filters. We develop a…

Signal Processing · Electrical Eng. & Systems 2018-12-26 Ahmed Kord , Dimitrios L. Sounas , Zhicheng Xiao , Andrea Alu