Results 71 to 80 of about 100,223 (210)
One microwave imaging system based on automotive radar chip
The interest in microwave imaging system is increasing because it can serve as a useful tool for concealed threat detecting. The current imaging systems have two major challenges: (i) multi-static arrays suffer from complex hardware design and ...
Fuwei Wu +4 more
doaj +1 more source
Enhance the Capacity of MIMO Wireless Communication Channel using SVD and Optimal Power Allocation Algorithm [PDF]
Multiple input multiple output (MIMO) is a multiple antenna technology used extensively in wireless communication systems. With the ever increasing demand in high data rates, MIMO system is the necessity of wireless communication.
Dalveer Kaur, Neeraj Kumar
doaj +1 more source
Exploiting Trust Degree for Multiple-Antenna User Cooperation
For a user cooperation system with multiple antennas, we consider a trust degree based cooperation techniques to explore the influence of the trustworthiness between users on the communication systems.
Feng, Suili +4 more
core +1 more source
Key Technical Fields and Future Outlooks of Space Manipulators: A Survey
This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen +12 more
wiley +1 more source
This paper investigates the performance of deep neural network (DNN)-based signal detection in multiple input, multiple output (MIMO), communication systems.
Hamna Shoukat +4 more
doaj +1 more source
EMD-based adaptive stationary human imaging for TD-MIMO through-wall radar
This study develop an adaptive stationary target imaging technique based on the empirical mode decomposition (EMD) method for the time-division multiple-input multiple-output through-wall radar.
Cao Lingxiao +5 more
doaj +1 more source
Experimental Demonstration of 3 × 3 MIMO LED-to-LED Communication Using RGB Colors
Optical wireless communication (OWC) is one of the promising candidates for beyond fifth-generation communication (B5G). Depending on the type of transmitters, receivers, and information carriers applied in the system, OWC can be categorized into visible
Hyunwoo Jung, Sung-Man Kim
doaj +1 more source
MIMO Transmission with Residual Transmit-RF Impairments
Physical transceiver implementations for multiple-input multiple-output (MIMO) wireless communication systems suffer from transmit-RF (Tx-RF) impairments. In this paper, we study the effect on channel capacity and error-rate performance of residual Tx-RF
Burg, Andreas +2 more
core +1 more source
Portable Radar for Noncontact Heart Rate Monitoring and Estrus Detection in Dairy Cows
This study introduces a portable radar system for real‐time monitoring of respiratory and heart rates in dairy cows. It uses millimeter‐wave Frequency Modulated Continuous Wave (FMCW) radar to perform noncontact physiological sensing, reducing behavioral disturbance. The radar system's design prioritizes portability, cost‐effectiveness, and robustness,
Yingxiu Li +7 more
wiley +1 more source
MIMO radar techniques: two-stage constant false alarm rate detection for fast-fluctuating targets
Here, the authors analyse a two-step constant false alarm rate (CFAR) detection problem in distributed sensor system (e.g. statistical multiple-input multiple-output (MIMO) radar) for fast-fluctuating targets (TS-AMF-II).
Zhihua Li +3 more
doaj +1 more source

