Based on the substation temperature and humidity data monitoring, substation equipment to achieve condensing surface generates conduct real-time monitoring of substation equipment and thus controsl the generation of condensation surface. The substation of the dew real-time monitoring data acquisition...

To avoid 2-D search, a two-stage algorithm for passively estimating the azimuth and range of a near-field source using an acoustic vector sensor is proposed. This algorithm utilizes two particle velocity channels to estimate the azimuth, and then combines the pressure channel to estimate the range. The...

With the continuous development of the national economy, people pay more and more attention to the monitoring and early warning of forest fire. Due to the particularity of the forest area and geographical conditions, if the forest fire happens, it will be a bursty and destruction of natural disaster....

Accurate and reliable short-term traffic flow forecasting is essential for advanced traveler information systems and proactive traffic signal control systems. However, the majority of current studies mainly concentrate on short-term traffic flow level forecasting. To improve the forecasting reliability...

The fingerprint verification technology is of better feasibility and utility, due to the uniqueness and invariability of fingerprints. So the automated identification based on fingerprints is becoming an attractive alternative to the traditional methods of identification. This system uses DSP chip, the...

Power supply reliability evaluation is an important link in the closed loop management of power supply reliability. It is of great significance to improve the professional management and the reliability of power supply reliability. Power supply reliability evaluation of power grid sustained supply capacity,...

This paper develops a new class of stochastic differential games in which the state dynamics and the players' payoff structures in the future are unknown. Information about the future will be revealed stage by stage. Adapting to the new environment players revise their strategies accordingly. A new technique...

Frequency measuring is an important part of modern radar systems. Based on the traditional principle of auto-correlation algorithm, we put forward an improved method of frequency measurement, simulating and analyzing the implementation process with MATLAB, finally testing on FPGA platforms. The results...

Traditional airfield lights addressing and controlling system is realized through power carrier communication technology, and is characterized by low transmission efficiency, inaccurate testing and poor unsatisfying reliability. This paper introduces an airfield lights addressing and controlling system...

Modulation technology is very important in the field of communication. A good modulation technology not only can save spectrum resources but also can provide a good channel performance. This paper is based on TCM+8PSK modulation demodulation principle of waveform research and analysis, which aims at...

When optical fiber is employed as a medium to transmit data in ring network typology structure communication system, several mal-functional work nodes in the communication system will result in malfunction in communication and loss of data, and will eventually affect performance efficiency. This paper...

For speech separation method, getting the accurate weight vector is very important for the performance of method. Aiming at how to reduce the signal cancellation, this paper focuses on obtaining the weight vector in the speech separation process accurately, and it designs an adaptive speech separation...

For the remote control of multi-channel high power LEDS, a high-precision LED current control system is proposed. A microcontroller system based on STM32F217ZET containing a four-channel high power LED driver circuit based on LT3755-1 was designed. The high-precision current control compensation algorithm...

In this paper, we develop electricity meters auto-transcription system by using C# and GSM MODEM based on C/S model. Compared with the original meter reading system, the performance of this system has been greatly improved. Under the premise of remote data transmission functions such as residential account...

In this paper, we developed a fault diagnosis algorithm of solar panel for solar street light. It measures from solar panel's open voltage to load voltage at the cut-in and saves that voltages characteristic curve in memory. By comparing the steady state curve with saved curve, the solar panel's fault...

Intelligent mobile robots require autonomous navigation and localization in the environment. In order to realize the function of localization and navigation, the robot often needs to obtain the 3D map of the environment. The basic and key technology to achieve the intelligence is Simultaneous Localization...

For the problems of the temperature measurement and control system in steel mill, a temperature measurement and control system based on single chip microcomputer has been designed. The problems are defects in low precision of temperature measurement and large drift of temperature controlling. The designed...

The environment of electricity for coal mine is very special, if there is something wrong with the power quality, it will cause great harm. The traditional Fourier transform algorithm makes the signal and noise overlap in the frequency domain and it has poor filtering performance when filtering in transient...

In this paper, an ultra-fast and miniaturized digital instantaneous frequency measurement (DIFM) system is proposed. Based on the high speed clocked comparator and high performance Field Programmable Gate Array (FPGA), the system is constructed. High speed clocked comparator with only 120 ps propagation...

The battery is the power source of electric vehicles and its performance has a direct influence on the power performance and the trip range. The state of charge (SOC) of the battery is one of the most important parameters in the use process of a battery. At the same time, the estimation accuracy of SOC...

Cat's eye modulating retro-reflector makes fast ATP, very high speed, small, light and low power consumption free space optical communication link possible. This paper analyzes the principle of free space optical communication based on cat's eye modulating retro-reflector using a multiple quantum well...

Aiming at the information security issues of modern smart car while communicating with outside, we analyze the security flaws of vehicle's electronic control system and investigate numerous common attacks. Applying Intrusion Detection mechanism, we propose a network anomaly Intrusion Defense Approach...

The emphasis on this paper is mainly on the empirical study of market share and marketing strategy based on Markov chain model. Firstly, we review basic theory of Markov chain model. Secondly, two examples are cited to analyze the market share and marketing strategy, and MATLAB 7.0 is used to calculate...

In this paper, 8-channel photovoltaic modules was made up of the spectral device, monochromator and amplifier circuit. Combining with the spectroscopic techniques, an automatic biochemical analyzer colorimetric system was designed. The 12V halogen lamp which adds stabilizer and a cooling fan was used...

We have fabricated two blue light-emitting diodes (LEDs) samples with p-type electron-blocking Layer and n-type hole-blocking Layer for the modulation speed measurement. The experimental results show HBL can improve the modulation speed better for blue LED. The energy bands and recombination rates of...

Worldwide deterioration of air quality has raised people's concerns on what they inhale on a daily basis. This work exploits inexpensive pollution sensors deployed in the Macao Polytechnic Institute service fleet as a mean to monitor air quality at city scale. We propose web-based geo-spatial exploration...

For cross-sensitivity problem between strain and temperature in Fiber Bragg Grating (FBG), A FBG signal demodulation system is designed in this paper; signals are acquired and processed by Labview. The experiment of strain sensing with real-time temperature compensation has been studied based on FBG...

The distortion of transmission signal ,when passed through the channel of the Expendable Conductivity-Temperature-Depth (XCTD) profiler under the influence of the probing depth, transmission frequency, random noise and other factors, will be more serious. And it will affect the stability and accuracy...

Amplitude of digital signal attenuates seriously with the increase of probing depth, transmission rate and random noise, because channel impedance parameters of deep-sea abandoned profiler measuring instrument is time-varying in the process of transmission and it will seriously affect the stability of...

This paper presents the design and implementation of a true random number generator (TRNG) for smart card application. Based on the effect of the oscillator phase noise and meta-stable state of the trigger, the random number is generated. An efficient calibration method can correct the uniformity of...

The setting of parameters in the support vector machines (SVM) is very important with regard to its accuracy and efficiency. In this paper, we employ the firefly algorithm to train all parameters of the SVM simultaneously, including the penalty parameter, smoothness parameter and Lagrangian multiplier....

In view of the estimation problem of the priori signal-to-noise ratio (SNR) estimation in single-channel speech enhancement algorithm, a novel method based on the further information is proposed. In this paper, the information from the post frame is considered in obtaining priori SNR of the current frame....

Capacitive touch panels (CTPs) have been more popular owing to its excellent interactive performance. However, electronic magnetic interference, display noise and process variation negatively influence the accuracy of predictions of touch positions. A smooth tracking algorithm for capacitance touch panels...

As the market competition becomes increasingly intensive, and the profit from traditional voice services margins gradually declines. 3G telecom operators must provide various value-added services and enhance the ARPU (average revenue per user) depending on the consumer behavioral intentions. Therefore,...