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.
The coherent onion peeler (COP) algorithm is derived by minimizing the error in the coherent subtraction of data from a single plane wave model. After the direction of the strongest interferer is known, a plane wave model is built to subtract most of the interference noise. If the strongest interferer is suppressed, COP can be applied to the second strongest interferer, and then to other interferers...
A simulation method using the acoustic software SYSNOISE to study far-field acoustic performance in different angles of a planar phased array in broadside dome is performed. The planar array is installed parallel to the vessel centerline. The cases in which the acoustic window is parallel to the planar array and at an angle of 8 degrees are separately calculated. The simulation results show that the...
With the rapid growth of data and the growing demand from users on the system performance, data availability has become the most important issue in large-scale storage systems. Due to the ability to provide space-optimal data redundancy to protect against node failures, erasure codes have seen widely deployment. To ensure data availability, it is crucial to recover node failures quickly. In this paper,...
Aimed at resolving the unreasonable disposition and disadvantage to environment of poultry manures, the research on the effect of different chicken manure rates on crop yields and the soil nutrients accumulation were carried out by a field plot experiment. The results showed that a appropriate application rate of chicken manure significantly increased the yield of wheat. No obvious differences of...
With the development of economy and society, China's highway construction has made a great achievement, but there are also some factors related to project design that affected the quality of the projects. In order to improve the quality of the design and analyze the changes in cost and so on, it is necessary to have a post-evaluation of highway project design. From the theoretical and practical point...
This paper presents a novel Q-learning based auction (QL-BA) algorithm for dynamic spectrum access in a one primary user multiple secondary users (OPMS) scenario. In the auction market, the secondary user provides a bidding price dynamically and intelligently using a Q-learning based bidding strategy to compete for current access opportunity; meanwhile primary user decides to whom to release the unused...
We investigate a multi-user multi-service scheduling scheme in the OFDMA based two-hop cooperative relay network, which aims at the cooperative resource allocation in this paper. We propose an adaptive Aggregated Utility Function (AU-Function) as the optimization objective, which simultaneously takes various multi-service QoS requirement and fairness among different services into consideration. We...
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.