Multisection combined Gysel–Wilkinson power divider with arbitrary power division ratios

R Nemati, S Karimian, H Shahi… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents the design of a microwave multisection combined Gysel-Wilkinson
(MSCGW) power divider (PD) with arbitrary power division ratios, wide bandwidth (BW), and …

Review of microwave frequency measurement circuits

CPN Silva, MI Espinosa-Espinosa… - Journal of …, 2022 - Taylor & Francis
In this work, microwave frequency measurement (MFM) is reviewed since the early stages
using fully analog implementations, including its evolution to analog/digital implementations …

Digital processing for accurate frequency extraction in IFM receivers

S Keshani, N Masoumi, H Rahimpour… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Extracting the unknown frequency of a radar pulse has been one of the most challenging
aspects of instantaneous frequency measurement (IFM) receivers. The conventional IFM …

Adaptive Radio Frequency Sensor Enabled by Electromechanically Controlled Stretchable Rectifying Antenna Systems

Z Zhu, B Li, Y Ke, Y Wang, Z Wang… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
Traditionally, radio frequency detection or ambient spectrum sensing has required high-
performance spectrum analyzers and RF signal analyzers, leading to relatively high costs …

[HTML][HTML] Reanalysis on Performance of Microwave Phase Detector for Multisignals

J Deng, H Wang, X Xiang - Sensors, 2024 - mdpi.com
Microwave phase detectors (MPDs) are key components of instantaneous frequency
measurement (IFM) receivers and phase interferometer direction finding (PIF-DF) receivers …

Reliable, intelligent, and design-independent digital frequency extraction methodology for high bit-count DIFM receivers

S Keshani, N Masoumi… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Frequency extraction is the principal objective and the major function of wideband
instantaneous frequency measurement (IFM) receivers. The conventional IFM receivers with …

The art of piecewise linear approximation in MMSE estimator for most accurate and fast frequency extraction in DIFM receivers

S Keshani, N Masoumi - IEEE Transactions on Instrumentation …, 2021 - ieeexplore.ieee.org
Detection of wideband passive radar signals, accomplished by instantaneous frequency
measurement (IFM) systems, is crucial for gaining a profound knowledge of environmental …

Theoretical investigation of a photonic-assisted instantaneous frequency measurement with a tunable measurement range and resolution by adjusting the chirp …

M Ganjali, S Esmail Hosseini, K Jamshidi… - Applied Optics, 2019 - opg.optica.org
The chromatic dispersion-based frequency-to-power mapping approach is often used in
microwave photonic (MWP) instantaneous frequency measurement (IFM) receivers. A …

Frequency measurement device with reconfigurable bandwidth and resolution

S Sim, Y Lee, I Llamas-Garro… - IEEE Microwave and …, 2020 - ieeexplore.ieee.org
This letter presents a low-cost and compact reconfigurable frequency measurement circuit
able to reconfigure bandwidth and resolution, the design uses a varactor loaded phase …

Frequency discriminator design phase formula with experimental verification for frequency measurement systems with uniform sub‐band resolution

S Sim, Y Lee, J Kim, HL Kang… - … Journal of RF and …, 2021 - Wiley Online Library
In this article, we propose a frequency discriminator (FD) design method to produce uniform
frequency sub‐bands. FDs are designed using an interferometer projected with the …