Alzheimer's disease (AD) is an irreversible and neurodegenerative that slowly impairs memory neurocognitive function, but the etiology of AD still unclear. With explosive growth electronic health data, application artificial intelligence (Al) in healthcare setting provides excellent potential for exploring personalized treatment approaches, improving disease's diagnostic prognostic outcome. This paper first briefly introduces Al technologies applications medicine, then presents a...

Measurement of linear frequency modulation (LFM) signal is significant for radar, communication, and electronic reconnaissance fields. An LFM a wideband whose varies linearly with time, traditional measurement methods require very high sampling rates heavy processing to estimate parameters the signal. In this article, we propose multichannel cooperative (MCS) system based on finite rate innovation (FRI) theory sample real-valued pulse sequence (LFMPS). The MCS consists three parts:...

The joint estimation of the spectrum, carrier, and direction arrival (DOA) is significant in radar, sonar, wireless communications, cognitive radio systems. traditional parameter measurement methods based on Shannon–Nyquist theorem require very high sampling rates, which put a lot pressure sampling, processing, storage devices. In this article, novel beamforming modulated wideband converter (BMWC) system for DOA proposed to improve robustness reduce structural complexity. From spatial signal...

Differential evolution (DE) is confirmed as a simple yet efficacious methodology to solve practical optimization problems. In this paper, we develop new rotating crossover operator (RCO), improve the performance by utilizing multiangle searching strategy-based RCO. The proposed scheme, different from conventional operators, can generate trial vectors in control of self-adaptive parameter and rotation vectors, which obey Lévy distribution. More specifically, are generated diversely within...

Aiming at the requirements of miniaturization and integration aviation test equipment problems complex logic limited transmission rate commonly used 1553B bus interface, we propose a design scheme high-speed communication card based on MiniVPX architecture, which adopts LHB155304 as protocol processing unit with one-way dual-redundant channel, is up to 4 Mbit/s. XC7A200T FPGA main controller communicate LHB155304, realizes data interaction through PCIE CPU in equipment. This paper introduces...

Measurement of multiple sinusoidal signals (MSSs) is significant in instrumentation and measurement, radar, communications, many other electric systems. methods based upon Shannon sampling theory require very high rates heavy processing to estimate the frequencies amplitudes. In this article, we propose a multichannel time-staggered system measure MSSs with short-observation sub-Nyquist samples. The scheme composed N' channels, where staggered time allowed be greater than Nyquist interval....

The finite-rate-of-innovation (FRI) sampling method can reconstruct signals with few samples. However, classical FRI often has serious model mismatch when dealing asymmetric pulse signals. variable-pulse-width (VPW) signal is composed of pulses variable width, which better match the in actual measurement, such as electrocardiogram (ECG) and bidirectional reflectance distribution function (BRDF). VPW-FRI theory provides an effective alternative to sub-Nyquist Recent studies have used time...

Measurement of parameters M -ary phase shift keying (MPSK) signals is significant for radar and communication systems. Traditional parameter measurement methods require very high sampling rates heavy processing to estimate the key amplitude, carrier frequency, phases, discontinuity locations. We propose a multichannel cooperative system using finite rate innovation theorem address this problem. In our two-channel system, main channel estimates MPSK amplitude frequency nonlinear process...

The recent finite rate of innovation (FRI) framework provides effective sub-Nyquist sampling pulse streams, allowing recovery such signals from a set Fourier coefficients. In this brief, multi-channel FRI system is presented to sample distinct bands This achieved through modulating the desired spectrum band baseband and then filtering with low-pass filter. However, modulation process will lead aliasing unavailability. A frequency selection strategy proposed solve problem, which allows...

Accurate measurement of the M-ary Phase Shift Keying (MPSK) signal determined by finite parameters per unit time is significant in engineering fields such as digital microwave and satellite communication. In this paper, we propose a sub-Nyquist sampling system with two channels for measuring characteristic MPSK signals based on Finite Rate Innovation (FRI) theory. The carrier frequency parameter process modeled convex optimization problem, solvable using matching method estimated grid....