The integration of cognitive radio and energy has enhanced the utilization efficiency of the spectrum and promoted the application of green energy.To begin with,this paper presents the architecture of green energy-eff...The integration of cognitive radio and energy has enhanced the utilization efficiency of the spectrum and promoted the application of green energy.To begin with,this paper presents the architecture of green energy-efficient communication and network models.It incorporates the distributed network model and the heterogeneous two-tier network model into the green cognitive radio power control and channel allocation model.The primary focus of this research lies in energy conservation at the physical layer.To mitigate the interference with primary users and address the peak constraint in secondary user power allocation,the article analyzes the system model of the cognitive radio network and subsequently elaborates on the dynamic throughput maximization allocation algorithm.Eventually,through experimental analysis and verification,the distinctiveness and comprehensiveness of the optimal power control for this subject are illustrated.展开更多
OBJECTIVE:To analyze the Doppler ultrasound blood flow of Renying(carotid artery)pulse,Cunkou(radial artery)pulse,and Fuyang(anterior tibial artery)pulse in the normal group and the functional constipation with gastro...OBJECTIVE:To analyze the Doppler ultrasound blood flow of Renying(carotid artery)pulse,Cunkou(radial artery)pulse,and Fuyang(anterior tibial artery)pulse in the normal group and the functional constipation with gastrointestinal heat(FCGH)group,and to compare and explore the differences of Renying,Cunkou and Fuyang pulses.METHODS:Sixty normal subjects and 60 patients with gastrointestinal heat constipation were collected in the department of ultrasound,Beijing Anzhen Hospital,Capital Medical University.Doppler ultrasound was used to observe the blood flow indexes including maximum systolic velocity(Vp),maximum diastolic velocity(Vd),mean velocity(Vm),pulse index(PI),resistance index(RI),vascular diameter(D),and circulation blood flow cycle(ET)of Renying pulse,Cunkou pulse and Fuyang pulse in the normal group and patients with gastrointestinal heat constipation.The differences of these three pulses were compared between the normal group and the FCGH group.RESULTS:The PI,Vp,Vm,RI,and D of the three pulses in the normal group were statistically significant different(P<0.01).In the comparison of Doppler flow diagram of three pulses in the FCGH group,there were significant differences in PI,Vd,Vp,Vm,RI,and D(P<0.01).CONCLUSION:Under normal conditions,the indexes of Renying pulse Doppler flow diagram,Cunkou pulse Doppler flow diagram,and Fuyang pulse Doppler flow diagram are significantly different.In the FCGH group,most of the indexes of Renying pulse Doppler flow diagram,Cunkou pulse Doppler flow diagram,and Fuyang pulse Doppler flow diagram are different.This result verified the necessity of simultaneous examinations of all Renying,Cunkou,and Fuyang pulses in modern Chinese medicine.展开更多
Because the static evaluation is unable to reflect the dynamic features of economic benefits and the contribution of sustainable development of low-carbon new energy to economic benefits is huge,this article puts forw...Because the static evaluation is unable to reflect the dynamic features of economic benefits and the contribution of sustainable development of low-carbon new energy to economic benefits is huge,this article puts forward the dynamic evaluation model of economic benefits under the development of low-carbon new energy.Total energy,energy consumption structure,industrial structure,GDP,total population and energy supply structure were taken as independent variables,and the carbon intensity was taken as the dependent variable.Through t-test and decision coefficient,total energy,energy consumption structure,GDP and total population were determined as the main factors of influencing low-carbon economy.Based on these four main factors,the dynamic evaluation index system of economic benefits was constructed.Experimental results show that the proposed model can comprehensively reflect the economic benefit level and the contribution of low-carbon new energy.Therefore,this method has high evaluation accuracy,which can provide scientific reference for the economic benefit management of relevant management departments.展开更多
文摘The integration of cognitive radio and energy has enhanced the utilization efficiency of the spectrum and promoted the application of green energy.To begin with,this paper presents the architecture of green energy-efficient communication and network models.It incorporates the distributed network model and the heterogeneous two-tier network model into the green cognitive radio power control and channel allocation model.The primary focus of this research lies in energy conservation at the physical layer.To mitigate the interference with primary users and address the peak constraint in secondary user power allocation,the article analyzes the system model of the cognitive radio network and subsequently elaborates on the dynamic throughput maximization allocation algorithm.Eventually,through experimental analysis and verification,the distinctiveness and comprehensiveness of the optimal power control for this subject are illustrated.
基金Supported by the Fundamental Research Funds for the Central Public Welfare Research Institutes:Theoretical Study of Combination of of Facial Color and Pulses Mode in Traditional Chinese Medicine(No.KJ-202013),Objective Study of“Wei Qi”in Pulse Based on Color Doppler Flow Imaging(CDFI)Technology(No.YZ-202124)。
文摘OBJECTIVE:To analyze the Doppler ultrasound blood flow of Renying(carotid artery)pulse,Cunkou(radial artery)pulse,and Fuyang(anterior tibial artery)pulse in the normal group and the functional constipation with gastrointestinal heat(FCGH)group,and to compare and explore the differences of Renying,Cunkou and Fuyang pulses.METHODS:Sixty normal subjects and 60 patients with gastrointestinal heat constipation were collected in the department of ultrasound,Beijing Anzhen Hospital,Capital Medical University.Doppler ultrasound was used to observe the blood flow indexes including maximum systolic velocity(Vp),maximum diastolic velocity(Vd),mean velocity(Vm),pulse index(PI),resistance index(RI),vascular diameter(D),and circulation blood flow cycle(ET)of Renying pulse,Cunkou pulse and Fuyang pulse in the normal group and patients with gastrointestinal heat constipation.The differences of these three pulses were compared between the normal group and the FCGH group.RESULTS:The PI,Vp,Vm,RI,and D of the three pulses in the normal group were statistically significant different(P<0.01).In the comparison of Doppler flow diagram of three pulses in the FCGH group,there were significant differences in PI,Vd,Vp,Vm,RI,and D(P<0.01).CONCLUSION:Under normal conditions,the indexes of Renying pulse Doppler flow diagram,Cunkou pulse Doppler flow diagram,and Fuyang pulse Doppler flow diagram are significantly different.In the FCGH group,most of the indexes of Renying pulse Doppler flow diagram,Cunkou pulse Doppler flow diagram,and Fuyang pulse Doppler flow diagram are different.This result verified the necessity of simultaneous examinations of all Renying,Cunkou,and Fuyang pulses in modern Chinese medicine.
文摘Because the static evaluation is unable to reflect the dynamic features of economic benefits and the contribution of sustainable development of low-carbon new energy to economic benefits is huge,this article puts forward the dynamic evaluation model of economic benefits under the development of low-carbon new energy.Total energy,energy consumption structure,industrial structure,GDP,total population and energy supply structure were taken as independent variables,and the carbon intensity was taken as the dependent variable.Through t-test and decision coefficient,total energy,energy consumption structure,GDP and total population were determined as the main factors of influencing low-carbon economy.Based on these four main factors,the dynamic evaluation index system of economic benefits was constructed.Experimental results show that the proposed model can comprehensively reflect the economic benefit level and the contribution of low-carbon new energy.Therefore,this method has high evaluation accuracy,which can provide scientific reference for the economic benefit management of relevant management departments.
