In this paper,the characteristics of sub-cluster wireless sensor Wireless are inroduced,we propose the cluster jamming,which is an energy-efficient jamming attack methods,simulate this attack and analyze the feasibili...
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In this paper,the characteristics of sub-cluster wireless sensor Wireless are inroduced,we propose the cluster jamming,which is an energy-efficient jamming attack methods,simulate this attack and analyze the feasibility,the network life,interference node energy consumption and the amount of network data.
Via researching the relationships among verification result,measurement uncertainty and instrument index,this paper carry out qualified judgment on the metrological verification results according to the distribution r...
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Via researching the relationships among verification result,measurement uncertainty and instrument index,this paper carry out qualified judgment on the metrological verification results according to the distribution relationships among them under different *** to conduct the actual measurement uncertainty for the regional analysis,then combine with practical examples of test *** a solution way and a judgment basis for Metrological Verification Department,which has high promotion value and application value.
The present status and the development of visible light stealth for arm equipments are *** principle of visible light stealth and the realization process are introduced. And a kind of new method of visible light steal...
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The present status and the development of visible light stealth for arm equipments are *** principle of visible light stealth and the realization process are introduced. And a kind of new method of visible light stealth for arm equipments based on optical fiber technology is also presented. At the same time,the application perspectives of optical fiber stealth technology for arm equipment is *** theory plays an important role in modern construction of arm equipments and has far-researching meanings for military reforms with Chinese characteristics.
This paper gives a design and implement of a real-time remote monitor & measurement system with image gathering function,based on ARM Embedded Linux and GPRS. Firstly,design the overall of the system,analysis the ...
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This paper gives a design and implement of a real-time remote monitor & measurement system with image gathering function,based on ARM Embedded Linux and GPRS. Firstly,design the overall of the system,analysis the structure of the system's hardware and ***,use the PELCO-D PTZ protocol to control USB ***,the paper focuses on realizing image acquisition of the system through the APIs of Video4Linux kernel.
A new verifying method for current comparator and the corresponding verifying device are provided in order to solve the complicated problem of the known current comparator verifying method in this *** the proposed tec...
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A new verifying method for current comparator and the corresponding verifying device are provided in order to solve the complicated problem of the known current comparator verifying method in this *** the proposed technology scheme,only a reference current transformer is needed to calibrate the error of a current comparator,and thereby the self-calibration of the ratio (k:n,k≤n∈N ) of auto current comparator can be realized.
Apply the frequency domain blind deconvolution algorithm in Blind Source Separation(BSS)of gearbox signal;apply correlation coefficient to resolve the permutation ambiguity;apply non-Gaussian maximizing to resolve the...
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Apply the frequency domain blind deconvolution algorithm in Blind Source Separation(BSS)of gearbox signal;apply correlation coefficient to resolve the permutation ambiguity;apply non-Gaussian maximizing to resolve the amplitude *** result proves that the method can separate signal effectively and has good application prospect.
In light of the old mine hoist speed control system given vast pollution to the grid,used a new converter-two -stage matrix converter(TSMC) as the power converter to replace the traditional voltage-type *** system not...
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In light of the old mine hoist speed control system given vast pollution to the grid,used a new converter-two -stage matrix converter(TSMC) as the power converter to replace the traditional voltage-type *** system not only makes it achieve Direct Torque Control(DTC),but also has many advantages of *** and DTC's combination not only achieves a better transmission performance,but also meets increasingly stringent power quality requirements and achieves "green speed regulation."
This paper implements DTMF signal generator and detector by a virtual instrument ***,the DTMF system is introduced,and the key points in virtual instrument implementation is *** the DTMF system is built by LabVIEW sof...
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This paper implements DTMF signal generator and detector by a virtual instrument ***,the DTMF system is introduced,and the key points in virtual instrument implementation is *** the DTMF system is built by LabVIEW software and PC sound card *** front panels and block diagrams of the generator and detector VI programs are *** system uses event structure and math script *** system runs well and fulfils its goal.
In order to study the mechanism of the powder compaction,investigated a direct continuous and dynamic stress test equipment for powder compaction based on the direct test *** equipment can simultaneously collect, reco...
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In order to study the mechanism of the powder compaction,investigated a direct continuous and dynamic stress test equipment for powder compaction based on the direct test *** equipment can simultaneously collect, record and display upper pressure,lower pressure and side pressure during powder compaction,and can capture the change of pressure *** paper presented the mechanical structure,the test principle and the circuit principle of the test *** provides reference for testing multi-direction pressure during the metal powder compaction.
Least squares support vector machine is new methods of classification and regression function in the field of machine learning in recent *** paper introduces the basic principles and algorithm of least squares support...
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Least squares support vector machine is new methods of classification and regression function in the field of machine learning in recent *** paper introduces the basic principles and algorithm of least squares support vector *** realize the least squares support vector machines' application in real-time filtering prediction for the gyro's random *** the MATLAB simulation,the results show this method is effective.
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