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.
This paper fully describes the use and working principle of resolver, and briefly explans the common used Resolver-to-Digital Converter (RDC for short) decoding arithmetic. Based on this basis, the paper shows a simple software decoding method — the angle tracking observer. It's of low cost, strong anti-interference ability, flexible and convenient compared to the specific RDC chip; and on the other...
We propose a novel DWDM over OCDMA scheme with parallelly combined Super-Structured Fiber Bragg Grating (SSFBG) based encoder/decoders. In our scheme, a group of SSFBGs with the same code but different central reflection frequencies are parallelly combined together to support larger number of DWDM channels. The number of DWDM channels per code can be increased without increasing the chip-rate of SSFBG...
Layered approximately regular (LAR) low-density parity-check (LDPC) codes are proposed, with which one single pair of encoder and decoder support various code lengths and code rates. The parity check matrices of LAR-LDPC codes have a "layer-block-cell" structure with some additional constraints. An encoder architecture is then designed for LAR-LDPC codes, by making two improvements to the...
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.