中文
相关论文

相关论文: One-Bit Radar Processing with Time-Varying Samplin…

200 篇论文

This paper proposes a unified approach to joint adaptive parameter estimation and interference cancellation (IC) for direct sequence code-division-multiple-access (DS-CDMA) systems in multipath channels. A unified framework is presented in…

信息论 · 计算机科学 2013-04-23 Rodrigo C. de Lamare , Are Hjorungnes , Raimundo Sampaio-Neto

Pulse-agile radar systems have demonstrated favorable performance in dynamic electromagnetic scenarios. However, the use of non-identical waveforms within a radar's coherent processing interval may lead to harmful distortion effects when…

信息论 · 计算机科学 2021-03-01 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Modern communication receiver architectures center around digital signal processing (DSP), with the bulk of the receiver processing being performed on digital signals obtained after analog-to-digital conversion (ADC). In this paper, we…

信息论 · 计算机科学 2008-04-09 Jaspreet Singh , Onkar Dabeer , Upamanyu Madhow

The recovery of the input signal covariance values from its one-bit sampled counterpart has been deemed a challenging task in the literature. To deal with its difficulties, some assumptions are typically made to find a relation between the…

信号处理 · 电气工程与系统科学 2022-04-01 Arian Eamaz , Farhang Yeganegi , Mojtaba Soltanalian

8-Gsps 1-bit Analog-to-Digital Converters (ADCs) were newly developed toward the realization of the wideband observation. The development of the wideband ADCs is one of the most essential developments for the radio interferometer. To…

天体物理学 · 物理学 2015-05-13 T. Okuda , S. Iguchi

In this paper, a self-adaptive contractive (SAC) algorithm is proposed for enhanced dynamic phasor estimation in the diverse operating conditions of modern power systems. At a high-level, the method is composed of three stages: parameter…

信号处理 · 电气工程与系统科学 2019-05-01 Francisco Messina , Pablo Marchi , Leonardo Rey Vega , Cecilia Galarza

The ubiquitous use of sensing and signal processing is increasing exponentially with the advance of the Internet of Everything (IoE). In this context, the design of every time more power efficient sensor nodes is a must. Within these nodes,…

信号处理 · 电气工程与系统科学 2021-08-18 Lucas Moura Santana , Duarte Lopes de Oliveira , Lester de Abreu Faria

Two new methods are presented for estimating car-following model parameters using data collected from the Adaptive Cruise Control (ACC) enabled vehicles. The vehicle is assumed to follow a constant time headway relative velocity model in…

应用统计 · 统计学 2022-12-16 Yanbing Wang , George Gunter , Matthew Nice , Daniel B. Work

In previous work, we have argued that measurement using a radar can be viewed as taking the expected value of an operator. The operator usually represents some aspect of the characteristics of the object being tracked (such as Doppler,…

仪器与探测器 · 物理学 2011-05-02 John E Gray , Allen D Parks

Analog-to-digital conversion (ADC) is a key bottleneck in scaling DSP-centric receiver architectures to multiGigabit/s speeds. Recent information-theoretic results, obtained under ideal channel conditions (perfect synchronization, no…

信息论 · 计算机科学 2011-12-21 Jaspreet Singh , Upamanyu Madhow

Efficient wideband spectrum sensing (WSS) is essential for managing spectrum scarcity in wireless communications. However, existing compressed sensing (CS)-based WSS methods require high sampling rates and power consumption, particularly…

信号处理 · 电气工程与系统科学 2024-11-08 Jian Yang , Zihang Song , Han Zhang , Yue Gao

This paper investigates the design of analog beamforming at the receiver in millimeter-wave (mmWave) multiple-input multiple-output (MIMO) systems, aided by full digital chains featuring 1-bit ADCs. We advocate utilizing these full digital…

信号处理 · 电气工程与系统科学 2025-02-18 Lina Liu , Weimin Xiao , Jialing Liu , Zhigang Rong

One-bit sampling has emerged as a promising technique in multiple-input multiple-output (MIMO) radar systems due to its ability to significantly reduce data volume and processing requirements. Nevertheless, current detection methods have…

信号处理 · 电气工程与系统科学 2024-04-29 Yu-Hang Xiao , David Ramírez , Lei Huang , Xiao Peng Li , Hing Cheung So

Quantum sensing using Rydberg atoms offers unprecedented opportunities for next-generation radar systems, transcending classical limitations in miniaturization and spectral agility. Implementing this paradigm for radar sensing, this work…

原子物理 · 物理学 2025-06-23 Minze Chen , Tianqi Mao , Zhiao Zhu , Haonan Feng , Ge Gao , Zhonghuai Wu , Wei Xiao , Zhongxiang Li , Dezhi Zheng

Shannon's sampling theorem provides a link between the continuous and the discrete realms stating that bandlimited signals are uniquely determined by its values on a discrete set. This theorem is realized in practice using so called…

信息论 · 计算机科学 2017-11-10 Ayush Bhandari , Felix Krahmer , Ramesh Raskar

The use of low precision (e.g., 1-3 bits) analog-to-digital convenors (ADCs) in very large multiple-input multiple-output (MIMO) systems is a technique to reduce cost and power consumption. In this context, nevertheless, it has been shown…

信息论 · 计算机科学 2015-01-23 Chao-Kai Wen , Shi Jin , Kai-Kit Wong , Chang-Jen Wang , Gang Wu

This work inspects the parameters that affect the conversion rate of a ramp-counter ADC and propose two small systematical changes to reduce the time needed to complete a single analog to digital conversion by use of the locality principle…

系统与控制 · 电气工程与系统科学 2020-11-30 HoseinAli Jafari Abeshoori , Seyed Saeed Azadfar

In this work, we exploit the sector level sweep of the IEEE 802.11ad communication standard to implement an opportunistic radar at mmWaves and derive an adaptive procedure for detecting multiple targets (echoes) and estimating their…

信号处理 · 电气工程与系统科学 2022-03-09 Emanuele Grossi , Marco Lops , Luca Venturino

The design of the analog demodulator for receivers with low-resolution analog-to-digital converters (ADC) is investigated. For infinite ADC resolution, demodulation to baseband with M = 2 orthogonal sinusoidal functions (quadrature…

信息论 · 计算机科学 2014-09-05 Manuel Stein , Sebastian Theiler , Josef A. Nossek

Traditional quantum metrology assesses precision using the figures of merit of continuous-valued parameter estimation. Recently, quantum digital estimation was introduced: it evaluates the performance information-theoretically by…

‹ 上一页 1 8 9 10 下一页 ›