This paper proposes a new amplitude and phase demodulation scheme different from the traditional method for AM-FM signals. The traditional amplitude demodulation assumes that the amplitude should be non-negative, and ...This paper proposes a new amplitude and phase demodulation scheme different from the traditional method for AM-FM signals. The traditional amplitude demodulation assumes that the amplitude should be non-negative, and the phase is obtained under the case of non-negative amplitude, which approximates the true amplitude and phase but distorts the true amplitude and phase in some cases. In this paper we assume that the amplitude is signed (zero, positive or negative), and the phase is obtained under the case of signed amplitude by optimization, as is called signed demodulation. The main merit of the signed demodulation lies in the revelation of senseful physi- cal meaning on phase and frequency. Experiments on the real-world data show the efficiency of the method.展开更多
Power generating equipment supply contract for Huaneng Nantong Power Plant Phase Ⅱ project affiliated to Huaneng International Electric Power Stock Company Ltd. was signed at the People’s Great Hall on June 28, 1996...Power generating equipment supply contract for Huaneng Nantong Power Plant Phase Ⅱ project affiliated to Huaneng International Electric Power Stock Company Ltd. was signed at the People’s Great Hall on June 28, 1996, Shi Dazhen, Minister of Electric Power, Ye Qing, Vice-chairman of the State Planning Commission, Zhang Youcai, Vice Minister of Finance and展开更多
China and Canada have signed a project award agreement for the co-operation for the Qinshan Phase Ⅲ Candu nuclear power project, marking significant progress in commercial negotiations between both countries on the c...China and Canada have signed a project award agreement for the co-operation for the Qinshan Phase Ⅲ Candu nuclear power project, marking significant progress in commercial negotiations between both countries on the construction of two 700 megawatt class Candu units. The agreement, signed between the China National Nuclear Corp (CNNC) and the Atomic Energy of Canada Ltd (AECL) in Beijing on July 12, finalized the price and commercial terms for Qinshan Phase展开更多
China and Canada nailed down a deal to build the third phase of the Qinshan Nuclear Power Plant in Zhejiang Province in East China on Nov. 26, 1996. The contract was signed in Shanghai by China National Nuclear Corp (...China and Canada nailed down a deal to build the third phase of the Qinshan Nuclear Power Plant in Zhejiang Province in East China on Nov. 26, 1996. The contract was signed in Shanghai by China National Nuclear Corp (CNNC) and Atomic Energy of Canada Ltd(AECL). AECL will construct two 700 MW heavy water reactors for the Chinese nuclear power plant.展开更多
Toward the lattice QCD calculation at finite density, we propose “matter-antimatter coexistence method”, where matter and anti-matter systems are prepared on two parallel R4-sheets in five-dimensional Euclidean spac...Toward the lattice QCD calculation at finite density, we propose “matter-antimatter coexistence method”, where matter and anti-matter systems are prepared on two parallel R4-sheets in five-dimensional Euclidean space-time. We put a matter system M with a chemical potential μ∈C on a R4-sheet, and also put an anti-matter system withon the other R4-sheet shifted in the fifth direction. Between the gauge variables? in M and in, we introduce a correlation termwith a real parameter λ. In one limit of , a strong constraint is realized, and therefore the total fermionic determinant becomes real and non-negative, due to the cancellation of the phase factors in M and , although this system resembles QCD with an isospin chemical potential. In another limit of , this system goes to two separated ordinary QCD systems with the chemical potential of μand . For a given finite-volume lattice, if one takes an enough large value of λ, is realized and phase cancellation approximately occurs between two fermionic determinants in M and, which suppresses the sign problem and is expected to make the lattice calculation possible. For the obtained gauge configurations of the coexistence system, matter-side quantities are evaluated through their measurement only for the matter part M. The physical quantities in finite density QCD are expected to be estimated by the calculations with gradually decreasing λand the extrapolation to λ=0. We also consider more sophisticated improvement of this method using an irrelevant-type correlation.展开更多
文摘This paper proposes a new amplitude and phase demodulation scheme different from the traditional method for AM-FM signals. The traditional amplitude demodulation assumes that the amplitude should be non-negative, and the phase is obtained under the case of non-negative amplitude, which approximates the true amplitude and phase but distorts the true amplitude and phase in some cases. In this paper we assume that the amplitude is signed (zero, positive or negative), and the phase is obtained under the case of signed amplitude by optimization, as is called signed demodulation. The main merit of the signed demodulation lies in the revelation of senseful physi- cal meaning on phase and frequency. Experiments on the real-world data show the efficiency of the method.
文摘Power generating equipment supply contract for Huaneng Nantong Power Plant Phase Ⅱ project affiliated to Huaneng International Electric Power Stock Company Ltd. was signed at the People’s Great Hall on June 28, 1996, Shi Dazhen, Minister of Electric Power, Ye Qing, Vice-chairman of the State Planning Commission, Zhang Youcai, Vice Minister of Finance and
文摘China and Canada have signed a project award agreement for the co-operation for the Qinshan Phase Ⅲ Candu nuclear power project, marking significant progress in commercial negotiations between both countries on the construction of two 700 megawatt class Candu units. The agreement, signed between the China National Nuclear Corp (CNNC) and the Atomic Energy of Canada Ltd (AECL) in Beijing on July 12, finalized the price and commercial terms for Qinshan Phase
文摘China and Canada nailed down a deal to build the third phase of the Qinshan Nuclear Power Plant in Zhejiang Province in East China on Nov. 26, 1996. The contract was signed in Shanghai by China National Nuclear Corp (CNNC) and Atomic Energy of Canada Ltd(AECL). AECL will construct two 700 MW heavy water reactors for the Chinese nuclear power plant.
文摘Toward the lattice QCD calculation at finite density, we propose “matter-antimatter coexistence method”, where matter and anti-matter systems are prepared on two parallel R4-sheets in five-dimensional Euclidean space-time. We put a matter system M with a chemical potential μ∈C on a R4-sheet, and also put an anti-matter system withon the other R4-sheet shifted in the fifth direction. Between the gauge variables? in M and in, we introduce a correlation termwith a real parameter λ. In one limit of , a strong constraint is realized, and therefore the total fermionic determinant becomes real and non-negative, due to the cancellation of the phase factors in M and , although this system resembles QCD with an isospin chemical potential. In another limit of , this system goes to two separated ordinary QCD systems with the chemical potential of μand . For a given finite-volume lattice, if one takes an enough large value of λ, is realized and phase cancellation approximately occurs between two fermionic determinants in M and, which suppresses the sign problem and is expected to make the lattice calculation possible. For the obtained gauge configurations of the coexistence system, matter-side quantities are evaluated through their measurement only for the matter part M. The physical quantities in finite density QCD are expected to be estimated by the calculations with gradually decreasing λand the extrapolation to λ=0. We also consider more sophisticated improvement of this method using an irrelevant-type correlation.
