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The rotary inductosyn is widely used as an angle measuring instrument in a control system. In order to obtain the absolute angle from the original output signals of the inductosyn, an ISA card for inductosyn signal processing based on the resolver-to-digital converter AD2S1210 and CPLD is designed and implemented in this paper. The sinusoidal oscillator and some other circuits, such as the one for...
Mobile phone theft has been a growing problem of modern society, but it is difficult to recover lost phones because owners often have no clue to culprits. To address the problem, we propose MMSnap, a new forensic system based on Multimedia Messaging Service (MMS) for recovering stolen phones. When a user finds his phone has been stolen, he simply calls the phone using a predefined number saved in...
The article focusing on the situation of transmission network operation and maintenance introduces a monitoring and controlling management system for transmission network operation and maintenance. This paper says its principle, structure, software function and application. The whole system containing circuit monitoring device, maintenance monitoring device and the background management system uses...
A traveling waveguide array with 108 narrow-wall slots is analyzed using the parallel method of moments with higher-order polynomial basis functions on a distributed memory cluster. The concept of the perfectly matched layer in differential-equation methods is introduced to design the matched load terminating the waveguide. The simulated data is compared with the commercial software - ANSYS HFSS's...
A hybrid method with method of moments (MoM) using higher-order basis function and physical optics (PO) is presented. By iterating the voltage matrix computation, the method is very clear in the concept and efficient in the implementation. The results demonstrate that the hybrid MoM-PO method is more efficient than the commercial software and able to efficiently analyze phased array antennas mounted...
Boundary-scan technology is a popular testing method. Applying boundary-scan technology to FPGA-based remote experiment system is brought forward and realized in the paper. ldquoConfigurerdquo and ldquoverifyrdquo are the two key steps in the process of FPGA-based experiment. Using boundary-scan technology as electric probe, we can realize both of the key steps. To improve the integral preference...
The automatic performance evaluation of table processing is a challenging problem in DIA(Document Image Analysis). So far, there are no effective methods for table processing evaluation. In this paper, a complete evaluation method based on the idea of "Compare Intersection Points of Lines" was built. Finally, using the method, the automatic evaluation of table structure detection and analysis...
As a result of the trend of platform, network, service-oriented appeared during the process of software development, the Foundational Software Platform (FSP), as a kind of software modality, has received more and more attention. However, as it has been widely used, the measurement on FSP cannot be implemented effectively, which further influence the quality of its upper applications. This, to a great...
A software modality FSP (foundational software platform) is becoming more and more important in recent years for it has a significant influence of applications on it. However, it is inconvenient to measure FSP because there isnpsilat an appropriate method to identify the quality model of it. This consequently leads to the result that itpsilas unable to guarantee the quality of its applications. A...
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