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Taking the monthly data from July, 2005 to April 2008 as a specimen period, this paper uses panel data model to analyze the influences of RMB revaluation on import value of agricultural products of China's different import subjects. Demonstration result indicates that the economic growth of China stimulates the increasing of agricultural imports of the main import subjects; appreciation of real effective...
This article has estimated the stochastic frontier production function of grain farming through building a parallel data model. It has divided the growth source of grain output into factor input, technical progress and technical efficiency. The research indicates that the growth of the grain output in Hubei during the period from 1980-2005 mainly derived from agricultural technical, following was...
Function S-rough sets has dynamic characteristics and law characteristics. By employing function S-rough sets and the method of law generation, this paper proposes the concepts of attribute composition distribution and rough law distance. Then by using these concepts, this paper analyzes the relations between attribution composition distribution with rough law, moreover presents a series of theorems...
Very high analog-to-digital (A/D) sampling rate is a key problem to be solved in a ultra-wideband (UWB) communication system. To reduce the A/D sampling rate, a novel low sampling rate receiver based on nonuniform sampling in the frequency domain is proposed. The incoming signal is divided into several subchannels, and signals at some subchannels are sampled at nonuniform sampling rates in the analog-to-digital...
There has been a plethora of papers dealing with wireless communication that use techniques, which when viewed from the perspective of a Maxwellian framework raise more questions than they answer. By Maxwellian framework we imply not only the relevance of electromagnetics in studying communication systems but also the proper interpretation of an ensemble processing in mathematical physics which was...
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