An electrical power standard with closed-loop controlling is introduced in the ***,FPGA and peripheral circuits are simultaneously used to realize the output of three-phase voltage and current signals by *** the ampli...
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An electrical power standard with closed-loop controlling is introduced in the ***,FPGA and peripheral circuits are simultaneously used to realize the output of three-phase voltage and current signals by *** the amplitude and order of harmonics can be set *** precision is assured by sampling and adjusting the output signals in the closed loop.
In the view of the imperfect container yard management,this article produces the RFID(radio frequency recognition) technical application to the container yard management *** management system based on RFID technology,...
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In the view of the imperfect container yard management,this article produces the RFID(radio frequency recognition) technical application to the container yard management *** management system based on RFID technology,includes the container number recognition, the turnover vehicles automatic diagnosis,yard work,the digital video monitoring,the EDI text sending and receiving automatically,and so on.
In order to reduce the errors of electronic nose for multi-gas qualitative and quantitative analysis,this paper used multi-class support vector machine to process the raw data,and compared with the neural network meth...
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In order to reduce the errors of electronic nose for multi-gas qualitative and quantitative analysis,this paper used multi-class support vector machine to process the raw data,and compared with the neural network method in the original article. It is indicated that SVM can achieve better prediction accuracy.
The analytical expressions of electromagnetic environment are derived for the high-voltage transmission lines and *** the scattering interference and shielding effect are analyzed.A test method is designed to measure ...
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The analytical expressions of electromagnetic environment are derived for the high-voltage transmission lines and *** the scattering interference and shielding effect are analyzed.A test method is designed to measure the impact on wireless communication *** test results show that the transmission equipment can change the direction of wireless signals and influence the radio propagation attenuation.
This paper describes a kind of f/v discriminator's operation principle,the goal of development and the main *** detailing the circuit's process technologies and the method of solving problems in testing
This paper describes a kind of f/v discriminator's operation principle,the goal of development and the main *** detailing the circuit's process technologies and the method of solving problems in testing
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