The frequency diverse array (FDA) has a range-angle-dependent transmit beampattern, which can provide the potential capability for novel radar application. However, basic FDA's beampattern is periodic in range and coupled angle dimensions, limits application of FDA field. In this letter, we propose model with nonmonotone increasing offset to form narrow pencil beam, eliminates periodicity coupling domains. Combining new multiple-input–multiple-output radar, not only multiple beams be formed...

Emerging evidence showed that even in the same organ, macrophages distributed disparate microanatomic niches execute different physiological functions. In kidney, a recent report demonstrated resident medulla were responsibe for removing sedimentary particles from urine to prevent tubule obstruction. this study, we found kidney cortex distinguishably highly expressed phosphate transporter SLC34A1 relative other tissue including their counterparts medulla. The juxtatubular formed...

Based on magnetic induction, wireless power transfer have been proved to be promising in many applications, especially EV charging systems. The coupling performance of loosely coupled transformers determines the overall feasibility whole Considering volume, cost and properties, a solenoid structure 400mm*600mm with 200mm air gap is utilized this study. By FEM simulation tools, distance wires coverage length are discussed find best design. In addition, position stripe cores analyzed when...

Surface inspection and defect detection are essential procedures in the quality control of mass production. It is challenging to identify curvilinear defects on a complex background. This paper proposes novel fast surface method based improved Gabor filters. The introduced system firstly employs filter banks generate corresponding energy maps. Hysteresis thresholding combined with region grouping pruning used extract regions, integrate fragments remove false positives. Our exhibits excellent...

This study deals with the problem of joint design multiple‐input–multiple‐output (MIMO) radar transmit waveform and receive filter in presence signal‐dependent interferences. To enhance detection performance a slow moving target, MIMO space‐time adaptive technology is adapted. Considering issue imprecise knowledge about target's Doppler frequency direction, worst‐case output signal‐to‐interference‐plus‐noise ratio over uncertainty set target steering vector as figure merit. Furthermore, due...

This paper investigates the device-to-device (D2D) communication underlaying cellular network assisted by a two-way decode-and-forward relay node. We assume base station (BS) is equipped with M - antenna and serves its own user while D2D users communicate via Both beam-forming (BF) interference cancellation (IC) strategies at BS are considered to improve performance for link link, respectively. first analyze received signal-to-interference-plus-noise under BF IC then derive exact closed-form...

Transmit waveform optimization is critical to radar system performance. There have been a fruit of achievements about design in recent years. However, most the existing methods are based on assumption that smart and target dumb, which not always reasonable modern electronic warfare. This paper focuses for extended environment Three different countermeasure models between dumb target, radar, proposed. Taking signal-to-interferenceplus-noise ratio (SINR) as metric, optimized waveforms first...

Force myography (FMG) is a method that uses pressure sensors to measure muscle contraction indirectly. Compared with the conventional approach utilizing myoelectric signals in hand gesture recognition, it valuable substitute. To achieve aim of recognition at minimum cost, necessary study sampling frequency and minimal number channels. For purpose investigating effect channels on accuracy hardware system has 16 been designed for capturing forearm FMG maximum 1 kHz. Using this acquisition...

This paper aims to investigate the effects of circulating currents in AC copper loss and propose a suppression method. Firstly, circuit model winding is established, magnetic leakage field stator slot analyzed. Then, equivalent built according slot, which used analyze linkage strand as position change conductor slot. Moreover, between two different arrangements are compared. Furthermore, arrangement newly proposed suppress current investigation. Finally, experiments performed validate...

Object differentiation plays a vital role in our daily life and such systems are widely deployed with RFID tags or bar codes attached on goods. In certain scenarios, however, attaching to objects may be impractical due cost protection issues. this paper, we propose TagFree, novel object scheme without tags. Instead of relying external tags, exploit the inherent radiometric properties different as their signatures. To improve robustness efficiency empirically determine spatial safe zone...

Phototropins, namely, phototropin 1 (phot1) and 2 (phot2), mediate chloroplast movement to maximize photosynthetic efficiency prevent photodamage in plants. Phot1 primarily functions accumulation process, whereas phot2 mediates both avoidance responses. The response of phot2-mediated chloroplasts under high-intensity blue light (HBL) limited the understanding function phot1 process at HBL condition. In this study, we showed that mutant exhibits a HBL, which is defective when root...

Vehicular networks are regarded as an effective solution for the traffic management and road safety. In this paper, performance of vehicular is investigated under Nakagami-m fading channels. The communication considered to reuse same time-frequency with another link, so that both interference noise produce effect on each vehicle infrastructure. Firstly, we derive closed-form expressions outage probability links particularly examine two special cases, is, high SNR case weak case. For...

A new edge-cloud collaboration architecture for small and medium sized enterprises (SME) manufacturers is introduced in this work. Lager with sufficient resources already invested heavily smart manufacturing system. There are rapidly emerging needs to help limited implement highly adaptable systems compete sustain global economy. We present an illustrative case study of how manage AI projects practice SME manufacturers. demonstrated our proposed can accelerate one the United Nations...

In this paper, an LLC resonant converter design methodology for wide output voltage range based on simplified operation mode analysis is presented. A new method to calculate the magnetizing inductance developed analysis, which can ensure soft-switching when a maximum constant power implemented. The parameters, frequency, frequency and dead time, are swept achieve optimal design. proposed procedure simple handle yet satisfactory performance applied 1 kW converter. experimental results given...

In this paper, a new zero voltage current switching (ZVCS) resonant voltage-fed push-pull converter for vehicle inverter application is proposed. It achieves ZCS off of the secondary diodes with using leakage inductance as element. By selecting appropriate dead time, proposed circuit can also feature ZVS on MOSFETs. The topology achieve satisfying performance in terms conversion ratio, efficiency, cost and volume, compared four different structures. Burst mode used to guarantee bus under...

This paper presents a method for pitting corrosion detection using custom developed instrument based on the eddy current testing principle. Previously, has been used in NDT applications where large features such as cracks are detected. However, of size order 0.1mm remains challenge. In this we discuss development highly integrated, Field Programmable Gate Array (FPGA)-based digital single-frequency instrument, which high sensitivity and is capable detecting pits metallic plates. Pits with...

Vehicle to infrastructure collaboration is an important component of unmanned cluster collaborative positioning system. With the continuous improvement mission target, requirements for accuracy and fault tolerance vehicle are getting higher. However, under environment crowed building groups that GNSS signals blocked, which affects performance navigation positioning. In this paper, UWB introduced collaborate with INS/GNSS integrated system, a strategy designed improve both efficiency system...

In recent years, the quadrotor unmanned aerial vehicle(UAV) showed a huge advantage in disaster relief activities due to its maneuverability and flexibility. However, scene of indoor environment is usually complex difficult be detected, pose control autonomous navigation for vehicle meets great difficulties. For quadrobot unknown environment, this paper designed complementary filter Kalman filter. Based on state estimation by iterations, we effectively implemented fusion close-loop process...

Abstract This paper proposes a container network mapping algorithm (MMigration) for career prospect enhancement the integration of production and education in local colleges universities constructs topology model college students’ prospects. After testing performance model, it analyzes impact on prospects students under mode production-teaching integration. Finally, based experimental results, points out direction “internship-employment-culture” industry-education fusion linkage training...

Due to the rapid growth of smartphone applications and fast development Wireless Local Area Networks (WLANs), numerous indoor location-based techniques have been proposed during past several decades. Floorplan, which defines structure functionality a specific environment, becomes hot topic nowadays. Conventional floorplan leverage sensors combined with WiFi signals construct building. However, existing approaches cannot detect shape corner, cost huge amount energy whole constructing process....

Considering the fact that electromagnetic spectrum is becoming more and crowded due to increasing demand for both military civilian wireless services.A novel MIMO radar transmit beampattern design scheme with PAR constraint in a spectrally environment proposed.Different existing methods, spectral constraints are considered optimization of space-time waveform covariance matrix.Semidefinite relaxation (SDR) adopted tackle resulting NP-hard problem.With optimized matrix, final waveforms which...