To mitigate the three-dimensional (3D) coupling interference of electric field sensors, a novel MEMS 3D sensor with dual-orthogonal induction structure and its spatial decoupling method is proposed. The designed cylindrical structure, in which two pairs electrodes are orthogonally arranged to suppress common-mode interference. sensing chips utilized achieve measurement. Furthermore, calibration model established based on structural characteristics sensor. Cramér–Rao lower bound linear...

Pitting corrosion seriously harms the service life of oil field gathering and transportation pipelines, which is an important subject prevention. In this study, we collected data pipeline steel immersion experiment established a pitting judgment model based on machine learning algorithm. Feature reduction methods, including feature importance calculation pearson correlation analysis, were first adopted to find factors affecting pitting. Then, best input set for was constructed by combining...

A non-interference AC voltage measurement system based on a resonant electric field microsensor is proposed. The equivalent circuit of the proposed established, which shows that frequency response function only related to capacitances structure in kHz low-frequency range. Furthermore, sensitivity analysis and experiments demonstrate amplitude independent an unknown voltage. Therefore, this technique very suitable for measuring arbitrary waveform functional prototype was developed tested...

To improve the sensitivity and stability, a novel mode-localization resonant MEMS (Micro-Electro-Mechanical System) electric field sensor based on closed-loop feedback is presented in this paper. The principle that mode localization effect can dramatically increase of system. Moreover, order to detect real-time resolution stability sensor, introduced. One output signals fed back input port, where signal has been processed by phase-locked loop part automatic gain control part. This paper...

Communication network security is a defence against unwanted system modifications to access files and folders within computer network. The increasing overlap between the physical virtual realms of improved communication poses problem cybersecurity. In this research, big data analytics-based (BDASS) has been proposed improve network's with artificial intelligence (AI). sets representing multiple categories are used in analysis methods. AI offers algorithms that can think or learn strengthen...

A microsensor-based fieldmeter with a moisture-proof function for ground-level atmospheric electric field (AEF) measurements is presented in this article. The electrical connection between the protective cover of and packaging plate microsensor significantly enhances sensitivity. Moreover, detailed simulation study performed to analyze influence structure parameters mounting pole on Then, prototype was developed, calibrated, verified, tested outdoors. results show that sensitivity 17.5176...

ZnO as an excellent candidate for UV light emitters, varistors, transparent high-power electronics, surface acoustic wave devices, piezoelectric transducers, and chemical gas sensors could be integrated in a SiP (System-in-Package). The critical part sensor nodes network. Normally, the device is fabricated with nanoscale films which can compatible other materials processing package. However, despite great potential electron photonic applications, fabrication difficult to obtain good ohmic...

We report a new approach for the self-assembly of cuboid micro-parts onto Si substrates to construct three-dimensional microstructures. To perform assembly, are prepared with deep cavity array as binding sites. An aggregate composed hundreds uniformly aligned is formed at C10F18–H2O interface. The arranged by passing substrate through micro-parts, thus left on substrate, and then vibrated ultrasonically in solution, making it possible fall into cavities substrate. Finally pulled out solution...

Rapidly growing performance and mixed-signal integration is driving the need for product component miniaturization in electronics applications. Embedded passive technology a potentially attractive solution to replace discrete passives. capacitors are widely used broad range of applications including filtering, tuning power-bus decoupling substrate. Micro-Electron-Mechanical System (MEMS) process based on silicon deep etching 3D patterns substrate used. The fabrication properties...

A compact 4times2-channel parallel optical MCM transceiver with data rates up to 3.125 Gb/s per channel was studied for very short reach (VSR) interconnection. The based on 1times4 VCSEL and PD arrays of 850 nm wavelength, a 12-fiber-ribbon as the transmission medium. Greatly relaxed alignment tolerance high coupling efficiency between optoelectronic (OE) device fiber were achieved. eye-diagram at 2.5 measured under 2 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...

Although the use of multiple stacks can handle slice-to-volume motion correction and artifact removal problems, there are still several problems: 1) The method usually uses slices as input, which cannot solve problem uniform intensity distribution complementarity in regions different fetal MRI stacks; 2) integrity 3D space is not considered, adversely affects discrimination generation globally consistent information MRI; 3) Fetal with severe artifacts real-world achieve high-quality...

This paper discusses a novel quasi-three-dimensional PN Junction capacitor, which has high density of capacitance (200nF/cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> ) with relatively working frequency (3GHz). These properties are because its unique trench structure. To identify the performance this kind some tests were carried out at both low and frequency. Moreover, typical power supply filter network was designed to compare...

This paper presents a novel high sensitivity mode-localization micro electric field sensor based on closed-loop feedback. The is the principle that mode localization effect can dramatically increase of resonant system. Moreover, in order to detect real time and improve ability sensor, feedback introduced. One output signals fed back input, where signal has been processed by phase-locked loop part automatic gain control part. Tested vacuum conditions, minimum detectable DC better than 10V/m,...

The rapid development of software, hardware, and communications technologies has helped spread sensors, actuators, heterogeneous devices connected through the internet, collecting distributing a large amount information, opening unique class advanced services available at any time. This paper introduced pervasive hybrid two-stage fusion model (PHTSFM) for cybersecurity situation evaluation focused on multi-heterogeneous sensors to determine impact security threats networked system precisely...

Communication network security is a defence against unwanted system modifications to access files and folders within computer network. The increasing overlap between the physical virtual realms of improved communication poses problem cybersecurity. In this research, big data analytics-based (BDASS) has been proposed improve network's with artificial intelligence (AI). sets representing multiple categories are used in analysis methods. AI offers algorithms that can think or learn strengthen...

The implementation of a software acoustic echo canceller (AEC) on personal computers (PC) is much more difficult than just migration the well defined algorithms. Software AECs have to deal with diverse hardware environments, which are usually low-cost and inaccurate, environment, generally committed sharing resources through multi-tasking yet providing no real-time guarantees. Hardware differences lead sampling rate path nonlinearity, while environment can cause discontinuity audio stream....

Considering energy security and greenhouse gas emission, many governments are developing bio-liquid fuel industries. The Chinese Government advocates the development of a ethanol industry with non-food crops such as cassava. However, scientists debate carbon emission these fuels. focuses influence soil pool destruction by-product utilization. This study built balance analysis model, assessed cassava across its life cycle. results show that per kilogram in cycle was 0.457 kg under new...

This paper focuses on the problem of Under-determined Blind Source Separation (BSS) anechoic speech mixtures. Our algorithm uses idea binary Time-Frequency (TF) mask employed in Degenerate Unmixing Estimation Technique (DUET), but relaxes strict sparsity assumption DUET by allowing sources to overlap TF domain a certain extent. In particular, number active at any point does not exceed sensors. We use Unsupervised Robust C-Prototypes (URCP) estimate mixing parameters, and then divide points...