The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In this letter, we consider a cooperative sharing model for cognitive wireless powered communication networks (CWPCNs), which leverages the notion of cooperation between primary and secondary systems in cognitive radio networks to accomplish primary transmission early and vacate opportunity for secondary transmission. With the proposed spectrum sharing model, we investigate the optimal design for...
This paper introduces the design results of RF circuit system for use in a W-band Extended Interaction Oscillator (EIO). And the EIO can produce a continuous wave power of over 100 W, whose operating voltage is 11 kV with a beam current of 0.15 A. The RF system design adopts 2g operating mode, trapezoidal slow wave structure with dual coupling slots and a period of 24. Considering the power loss caused...
This paper presents the methods of improving heat stability for an S-band 22-kW-average-power klystron with 7.14% relative bandwidth [1], which was developed in the Institute of Electronics, Chinese Academy of Sciences (IECAS). The method of reducing the axial thermal expansion with electron gun is proposed, and the manner of improving the heat conduction with the cross wall between upstream cavity...
For the development of a long-lived high-stability high-efficiency broadband klystron, a high-perveance hollow electron beam [1] is considered instead of a pencil beam. The simulation results of electron optics system and beam-wave interaction are given using Arsenal-MSU code [2]. The results indicate that in the case of saturated drive and 5.1% relative bandwidth, the klystron can get a peak power...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.