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Control of chaos in a dual-ring erbium-doped fiber laser is studied by modulating the laser pump and its physical model is presented to induce the dual-ring erbium-doped fiber laser to a cyclic state and other dynamics states via adding a periodic signal to the pump. When one pump is modulated by a periodic...

This paper introduces the principle of electromagnetic induction of the high tension line. With the aid of the spark plug, induced charge can be transferred to the high voltage winding in the form of short pulse and then generate induced current .With the appropriate circuit, the induced current can...

DOA estimation in FDD systems is a core issue for smart antennas. In this paper, an equidistant linear array is divided into two identical sub-arrays, and then a DOA matrix is constructed, the eigenvector matrix of the matrix is the array manifold of the signal. After eigenvalue decomposition of the...

To retrospectively analysis the clinical data of preterm infants diagnosed neonatal respiratory distress syndrome(NRDS) of our hospital in 2004-2009,and observe the efficacy of pulmonary surfactant(PS). Meth-ods Systematically review the medical records. Result: 257 cases preterm infants diagnosed NRDS...

SSVEP based BCI system helps Tetraplegia patients to communicate and control devices based on Steady State Visual Evoked Potentials (SSVEP). Home automation systems are in huge need for the Tetraplegia patients to control home appliances like nurse calling system, lights, and Television sets by using...

Microvascular and metabolic physiology are inextricably linked. Thus, metabolic dysfunction impairs microvascular function and microvascular dysfunction impairs normal metabolism. The relationship is therefore reciprocal, justifying the concept of a ‘Metabolic-Microvascular Dysregulation Syndrome’. For...

The non-invasive assessment of aortic (central) pressure evolved as an emerging clinical research area over the last two decades. Several non-invasive methods and devices were developed to support these investigations. A variety of technical approaches and sites of peripheral signal acquisition have...

. Epilepsy (Epilepsy, EP) is a brain functional disorder caused by brain neurons abnormal discharge, however, the etiology and pathogenesis of epilepsy is still unclear. With the development of computer technology and digital signal processing technology, research and analysis of EEG signals is gradually...

On the basis of Time Domain Analysis, this paper proposes a method for music beat tracking. Through this method, music beats are detected and tracked by timestamp and intensity value. Generally, the beat-areas of music signal converge more energy than other areas, therefore, the spots of beat can be...

With the new developing trend of specialization and segmentation in finance, the professional master with career backgrounds becomes a source of the core competitiveness of the financial industry. Based on the demand background of elites in specialization, internationalization and innovation, this paper...

The analysis of the state of small business (SB) is a "catalyst" of the state of economic relations in countries with a market economy. The revival of the SB in Russia has been more than a quarter of a century, but the potential advantages of the SB are still barely perceptible. Therefore, the monitoring...

Purpose: Loose endothelial cells and the destruction of the blood–brain barrier (BBB) are one of the pathophysiological mechanisms of early brain injury (EBI) after subarachnoid hemorrhage (SAH). Tie-2 receptor phosphorylation is important for maintaining integrity of microvascular endothelial cells...

Companies that go public have an obligation to publish audited financial statements. Financial statements contain information as a positive or negative signal for stakeholders for economic decisions. The company must pay attention to the length of time for submitting the company’s financial statements....

Increasingly developing technology has opened up new opportunities in various aspects of life, including in military operations. The research focuses on developing to detect Yolo and Wifi signals using drones as a search and rescue tool for missing soldiers on the field of operations. The loss of a soldier...

Composite material is fourth largest aviation materials after the aluminum, steel, titanium and has been widely used in aviation. Defects and damages is inevitable in the process of its production and manufacturing, that seriously hazards the aviation security. Tap testing is the simplest and the most...

This paper study on the the novel octagonal UWB microstrip antenna and do double notches and optimization on it. The antenna covers the bandwidth from 3.1 GHz 10.6 GHz completely and has two band-notches in the frequency ranges of 3.4 GHz to 4.5 GHz and 5.15GHz to 5.75GHz respectively avoiding the interferences...

The application of CAN bus in the greenhouse temperature control in cherry is introduced. The design of STM32 based controller, two wire Pt100 temperature acquisition thermistor bridge measurement circuit through the output differential signal, amplifying the information by differential amplifier LM324,...

In this paper, the physical parameters of human body in passive state are identified based on Local Mean Decomposition (LMD). The time-acceleration signal of human shoulder is gathered in the shooting test. LMD is used to obtain the Product Function (PF) components of the signal. The frequency-damping...

Actual traffic signal control strategies rely on detectors, it detects traffic information as a control logic input. In fact, this kind of detector is based on facilities and usually called point detector which cannot directly provide the data of vehicle situation which includes speed, location, acceleration...

Microarray image gridding is one important step of microarray image analysis to determine 2D image coordinates of all array spots in the hybridized gene chip image. Accuracy of image gridding will affect the reliability of gene-chip data extraction and even the final analysis results of gene-chip assays....

This paper proposes a novel method to estimate 2FSK-LFM compound signal based on joint FRFT-ML. The representation of the compound signal in FRFT domain is derived and the chirp rate and the code length of the compound signal are estimated. Joint with ML method, a high accurate local search approach...

The research on reinforcement technology of Anhui style ancient buildings has developed rapidly. Through a series of interviews and practices, this paper is based on the theories of civil engineering and engineering cost, combined with nondestructive testing technology Bim digital modeling technology...

In the present work, hydroxyapatite (HAp) was sustainably extracted from fish-bone biowaste and converted into a functional ceramic material through appropriate thermal treatment. The thermal behavior of the biogenic precursor was investigated using thermogravimetric and differential thermal analysis...

Extracting tabular data from scanned documents remains a challenge in CPU-limited environments, despite advances in deep learning. Table structure recognition (TSR) faces challenges due to geometric distortions such as skewness, curvature, and noise from crumbled pages or poor printing. Although deep...

Clinical exercise stress testing is a common medical test performed in cardiology and exercise physiology clinics the world over. Measurement of blood pressure (BP) during testing is mandated. Whilst systolic BP should normally rise with incremental exercise, and diastolic BP remains relatively stable,...

Rapid urbanization brings a quick growth of urban environmental pressure. Food consumption is taken as one of the most resource demanding and polluting daily activities in urban life, and is also the important part of urban environmental impact. We calculated the environmental impact of urban food consumption...

Based on the research of the standard twist drill geometry parameters, the cutting part of the structure of the geometric parameters are expressed as a fuction of radius, the chisel edge and the main cutting edge geometric parameters of the mathematical model are established. Drilling force is one of...

In order to meet the requirements of fuse's digital simulation, an algorithm based on the electromagnetic scattering modelling technique of complex targets in the near field is proposed to calculate the echo power of fuse in missile-target encounter. The main research work in this paper involves the...

The two courses of "Signals and systems" and "Digital signal processing" play a very important role in the Electronic Information Institute, they are compulsory subjects, and the credits are very high, but there are many problems in the teaching process of "Signal and system" and "Digital signal processing"....

Under the influence of today's impetuous social reality, college students ignore politics. The ideological consciousness is getting worse. For the learning, college students become more and more incapable of doing what they should do. The enthusiasm of the older generation seems to be farther and farther...

Road crack recognition and detection is one of the fundamental tasks in the fields of autonomous driving and intelligent transportation, which has attracted a lot of research interest in recent years. Thanks to the rapid development of Convolutional neural network, the accuracy of road crack recognition...

Based the theory of fluid dynamics, an efficient method is proposed for rendering smoke movement in three-dimensional space. Real-time rendering of smoke movement is implemented with coarse grid and larger time interval by solving Navier-Stokes equations. Experimental results show that the method is...

Underground magnetic resonance sounding (MRS) low signal-noise ratio (SNR) weak signal is hard to manage with traditional de-noising method such as fitting and filter. In view of this, this article makes use of both transient electromagnetic method (TEM) data and MRS data obtained from integrated detecting...

The Langmuir- Blodgett (LB) technique makes it possible to prepare a thin film with a controlled thickness at the molecular level and a well-defined molecular orientation. In this work, 1,2-bis(3-thiophene imine) ethylene (B3TIE) were synthesized by reacting benzaldehyde and Ethylenediamine and were...

The identification of entrepreneurial opportunities is a process that must be experienced before returning migrant workers to make formal entrepreneurial decisions. The ability to judge the maturity of entrepreneurial opportunities will directly affect the effectiveness of entrepreneurial decision-making....

Fiber Optics Gyroscopes (FOGs) are widely used due to their low cost. This paper proposes a simulation on denoising method for FOG signal. Hybrid Kalman filter algorithm are applied to denoise the FOG signal in both static and dynamic conditions. Single axis and three axis FOG signals with different...

This article discusses the software demodulation bit synchronization system implementation. According to the characteristics and DSTFT DQPSK signal demodulation characteristics studied a bit synchronization algorithms: synchronization based on the instantaneous frequency measurement position, the signal...

A readout circuit with low leakage current is presented which performs leakage current suppression and integration linearity enhancement. An additional transmission gate is added to suppress the leakage current by forcing each end of MOSFETs in the transmission gate to be equal so that the discharge...

To discuss the epidemiological characteristics of congenital syphilis. Methods: Retrospective analysed the 183 cases of congenital syphilis from Jan. 2002 to Jan. 2012 in our department, and the gestational age, sex, birth weight, delivery mode, age on admission, onset time, parents’ occupations, medical...

The crystallographic properties and ferroelectric state of BZT multilayer films which deposited on Si (100) substrate was studied in this work. XRD pattern peaks show that BaZr0.1T0.9O3 and BaZr0.08Ti0.92O3 are found well-crystallized at 800oC for 3 hours corresponding to vary annealed temperature. The...

With the deep integration of artificial intelligence technology into the educational field, enhancing the AI literacy of teachers in higher vocational colleges has become a key factor in promoting the modernization of vocational education. Based on the background of educational transformation in the...

Based on the nonlinear dynamics theory, the feature of the sinusoidal signal, the active homing echo signal and the active homing echo signal after filtering and normalizing is presented detailedly in this paper. Through the analysis of the phase trajectory, the phase trajectory slope and the slope spectrum’s...

The acupuncture signal in the uplink conduction, one side through the spinal cord segmental relationship affect the adjacent segments dominated by the skin, visceral activity and adjacent segments of the pain in the introduction; more often up to reach the brain stem, Forebrain and other parts, through...

Whereas environment modeling of current ray tracing algorithm used for locating is too ideal and the positioning accuracy is not high because AOA based weight intersection method fails to consider singularity bearing line intersection, this paper sets up AOA localization model on quasi-specular condition...

Particle pollutant is the prime pollutant of most cities in china, the tiny particle accumulated lots of harmful substance, and it is the carrier of bacteria, revealing the Mechanism of particle transport has an important meaning on controlling the indoor particle pollutant and disease prevention. This...

Signal acquisition and processing technology based on FPGA is researched. FPGA is the core of the signal acquisition and processing systems, it controlled each module to complete signal acquisition and processing tasks. The article mainly researched and designed of FPGA-based control and processing systems,...

Under the condition of dynamic traffic guidance, the path selection behavior of divers would results in the new road network traffic condition, and then the influence of traffic flow on network signal timing optimization must be taken into account in the process of matching. This paper presented the...

Since the 21st century, the development of Internet information technology has been very rapid. New concepts such as big data, "Internet plus" and cloud computing have entered the public view one by one and raised the frenzy of the industrial revolution. The same is true in education industry. The process...

Learning with internet facilities (e-learning) conducted in schools is a supporting activity carried out by classroom teachers to complement the conventional learning process. The activity is carried out by teachers who have laptops and mobile phones with internet network signal hotspots. In this study...

The performance of antenna radiation pattern measurement conducted manually possesses some drawbacks and limitations: inefficient, inaccurate, slow process, and expensive. This leads to limit the topics and material in practical work in the laboratory since one cycle of measurement which takes a long...