On January 2nd of 2008,the General Office of China 2009 Executive Committee held a meeting in Luoyang City on exhaustive working plans in order to implement the targets laid out by the Executive Committee on
A source enumeration method based on diagonal loading of eigenvalues and constructing second-order statistics is proposed,for the case that the antenna array observed signals are overlapped with spatial colored noise,...A source enumeration method based on diagonal loading of eigenvalues and constructing second-order statistics is proposed,for the case that the antenna array observed signals are overlapped with spatial colored noise,and the number of antennas compared with the number of snapshots meet the requirement of general asymptotic regime.Firstly,the sample covariance matrix of the observed signals is obtained,the eigenvalues of the sample covariance matrix can be acquired by eigenvalue decomposition,and the eigenvalues are diagonally loaded,and a new formula for calculating the diagonal loading is presented.Based on the diagonal loaded eigenvalues,the difference values are calculated for the adjacent eigenvalues after diagonal loading,and the statistical variance of the difference values is calculated.On this basis,the second-order statistics of the difference values are constructed,and when the second-order statistics are minimized,the corresponding number of sources is estimated.The proposed method has wide applicability,which is suitable for both general asymptotic regime and classical asymptotic system,and is suitable for both white Gaussian noise environment and colored noise environment.The method makes up for the lack of source enumeration methods in the case of general asymptotic system and colored noise.展开更多
This paper is concerned about the family physician’s role in early cancer diagnosis and follow-up with his/hers patients who have just been diagnosed with cancer;treatment modalities for cancer;and family physician c...This paper is concerned about the family physician’s role in early cancer diagnosis and follow-up with his/hers patients who have just been diagnosed with cancer;treatment modalities for cancer;and family physician continuous roles for patients who are under definitive cancer treatment,experiencing side-effects of cancer treatment;some of the effective means to reduce these side-effects during cancer treatment and management of oncologic emergencies.Having some knowledge on the current cancer therapies would undoubtedly help family physicians to follow up patients with cancer more confidently,to appreciate their side-effects,symptomatic treatment,recognize the limit of primary care and be even useful for counseling and consultation with patients or their family members with a family history of cancer.Systematic searches with terms comprised“cancer”,“malignancy”,“primary care”,“general practice”,“cancer AND diagnosis”and“cancer AND follow-up”were done in the major databases such as Pubmed,ScienceDirect and Ovid.We employed selective searches with the above terms and their combination in some of the major journal such as The Lancet Oncology,The Lancet,New England Journal of Medicine,etc.These were followed by snowballing the relevant articles from the citation of references in those selected papers.The goal of this narrative review is not to provide exhaustive documentation of sound evidence for practice of primary care for cancer patients at diagnosis and follow-up.It mainly aims to provide specific evidence-based information and suggestions that are thought to be relevant for primary care professionals and policymakers.展开更多
文摘On January 2nd of 2008,the General Office of China 2009 Executive Committee held a meeting in Luoyang City on exhaustive working plans in order to implement the targets laid out by the Executive Committee on
基金supported by the Natural Science Foundation of China(61801480)。
文摘A source enumeration method based on diagonal loading of eigenvalues and constructing second-order statistics is proposed,for the case that the antenna array observed signals are overlapped with spatial colored noise,and the number of antennas compared with the number of snapshots meet the requirement of general asymptotic regime.Firstly,the sample covariance matrix of the observed signals is obtained,the eigenvalues of the sample covariance matrix can be acquired by eigenvalue decomposition,and the eigenvalues are diagonally loaded,and a new formula for calculating the diagonal loading is presented.Based on the diagonal loaded eigenvalues,the difference values are calculated for the adjacent eigenvalues after diagonal loading,and the statistical variance of the difference values is calculated.On this basis,the second-order statistics of the difference values are constructed,and when the second-order statistics are minimized,the corresponding number of sources is estimated.The proposed method has wide applicability,which is suitable for both general asymptotic regime and classical asymptotic system,and is suitable for both white Gaussian noise environment and colored noise environment.The method makes up for the lack of source enumeration methods in the case of general asymptotic system and colored noise.
文摘This paper is concerned about the family physician’s role in early cancer diagnosis and follow-up with his/hers patients who have just been diagnosed with cancer;treatment modalities for cancer;and family physician continuous roles for patients who are under definitive cancer treatment,experiencing side-effects of cancer treatment;some of the effective means to reduce these side-effects during cancer treatment and management of oncologic emergencies.Having some knowledge on the current cancer therapies would undoubtedly help family physicians to follow up patients with cancer more confidently,to appreciate their side-effects,symptomatic treatment,recognize the limit of primary care and be even useful for counseling and consultation with patients or their family members with a family history of cancer.Systematic searches with terms comprised“cancer”,“malignancy”,“primary care”,“general practice”,“cancer AND diagnosis”and“cancer AND follow-up”were done in the major databases such as Pubmed,ScienceDirect and Ovid.We employed selective searches with the above terms and their combination in some of the major journal such as The Lancet Oncology,The Lancet,New England Journal of Medicine,etc.These were followed by snowballing the relevant articles from the citation of references in those selected papers.The goal of this narrative review is not to provide exhaustive documentation of sound evidence for practice of primary care for cancer patients at diagnosis and follow-up.It mainly aims to provide specific evidence-based information and suggestions that are thought to be relevant for primary care professionals and policymakers.
