The megalopolis is a unique system that offers unique opportunities for a person.But in return,this system requires respecting its rules of life,as well as creating and maintaining new social relationships.This is a v...The megalopolis is a unique system that offers unique opportunities for a person.But in return,this system requires respecting its rules of life,as well as creating and maintaining new social relationships.This is a very complex problem especially for religious sphere,because there are a lot of different religion representatives in megalopolis.Babylon is a symbol of megalopolis.Megalopolis problems can be called Babylon problems.New megalopolis religion(the religious rules)can be called New Babylon religion.In order to explore the religious code(rules)for the megalopolis life,this paper makes an analysis from the following three aspects:the religion problems existing in the megalopolis;the general sources of world religion;and the relationship between religion and modern science.Finally,the conclusion is drawn that the modern life of society in a megalopolis allows individualizing not only educational,but also religious sphere,which will create the necessary feedback effect and help to solve internal conflicts of residents at their initial stage,as well as to create common religious rules for megalopolis—our common home.展开更多
With the development of the times,people’s requirements for communication technology are becoming higher and higher.4G communication technology has been unable to meet development needs,and 5G communication technolog...With the development of the times,people’s requirements for communication technology are becoming higher and higher.4G communication technology has been unable to meet development needs,and 5G communication technology has emerged as the times require.This article proposes the design of a low-noise amplifier(LNA)that will be used in the 5G band of China Mobile Communications.A low noise amplifier for mobile 5G communication is designed based on Taiwan Semiconductor Manufacturing Company(TSMC)0.13μm Radio Frequency(RF)Complementary Metal Oxide Semiconductor(CMOS)process.The LNA employs self-cascode devices in current-reuse configuration to enable lower supply voltage operation without compromising the gain.This design uses an active feedback amplifier to achieve input impedance matching,avoiding the introduction of resistive negative feedback to reduce gain.A common source(CS)amplifier is used as the input of the low noise amplifier.In order to achieve the low power consumption of LNA,current reuse technology is used to reduce power consumption.Noise cancellation techniques are used to eliminate noise.The simulation results in a maximum power gain of 22.783,the reverse isolation(S12)less than-48.092 dB,noise figure(NF)less than 1.878 dB,minimum noise figure(NFmin)=1.203 dB,input return loss(S11)and output return loss(S22)are both less than-14.933 dB in the frequency range of 2515-4900 MHz.The proposed Ultra-wideband(UWB)LNA consumed 1.424 mW without buffer from a 1.2 V power supply.展开更多
Table 36.1. Revised November 1993 by E. Browne （LBNL）.＂Emission probability＂ is the probability per decay of a given emission; because of cascades these may total more than 100%. Only principal emissions are liste...Table 36.1. Revised November 1993 by E. Browne （LBNL）.＂Emission probability＂ is the probability per decay of a given emission; because of cascades these may total more than 100%. Only principal emissions are listed. EC means electron capture,展开更多
A new,low complexity,ultra-wideband 3.1-10.6 GHz low noise amplifier（LNA）,designed in a chartered 0.18μm RFCMOS technology,is presented.The ultra-wideband LNA consists of only two simple amplifiers with an inter-st...A new,low complexity,ultra-wideband 3.1-10.6 GHz low noise amplifier（LNA）,designed in a chartered 0.18μm RFCMOS technology,is presented.The ultra-wideband LNA consists of only two simple amplifiers with an inter-stage inductor connected.The first stage utilizing a resistive current reuse and dual inductive degeneration technique is used to attain a wideband input matching and low noise figure.A common source amplifier with an inductive peaking technique as the second stage achieves high flat gain and wide -3 dB bandwidth of the overall amplifier simultaneously.The implemented ultra-wideband LNA presents a maximum power gain of 15.6 dB,and a high reverse isolation of—45 dB,and good input/output return losses are better than -10 dB in the frequency range of 3.1-10.6 GHz.An excellent noise figure（NF） of 2.8-4.7 dB was obtained in the required band with a power dissipation of 14.1 mW under a supply voltage of 1.5 V.An input-referred third-order intercept point（IIP3） is -7.1 dBm at 6 GHz.The chip area,including testing pads,is only 0.8×0.9 mm2.展开更多
文摘The megalopolis is a unique system that offers unique opportunities for a person.But in return,this system requires respecting its rules of life,as well as creating and maintaining new social relationships.This is a very complex problem especially for religious sphere,because there are a lot of different religion representatives in megalopolis.Babylon is a symbol of megalopolis.Megalopolis problems can be called Babylon problems.New megalopolis religion(the religious rules)can be called New Babylon religion.In order to explore the religious code(rules)for the megalopolis life,this paper makes an analysis from the following three aspects:the religion problems existing in the megalopolis;the general sources of world religion;and the relationship between religion and modern science.Finally,the conclusion is drawn that the modern life of society in a megalopolis allows individualizing not only educational,but also religious sphere,which will create the necessary feedback effect and help to solve internal conflicts of residents at their initial stage,as well as to create common religious rules for megalopolis—our common home.
基金This work was financially supported by the National Natural Science Foundation(No.61806088)Jiangsu Province Industry-University-Research Cooperation Project(No.BY2018191)+1 种基金Natural Science Fund of Changzhou(CE20175026)Qing Lan Project of Jiangsu Province.
文摘With the development of the times,people’s requirements for communication technology are becoming higher and higher.4G communication technology has been unable to meet development needs,and 5G communication technology has emerged as the times require.This article proposes the design of a low-noise amplifier(LNA)that will be used in the 5G band of China Mobile Communications.A low noise amplifier for mobile 5G communication is designed based on Taiwan Semiconductor Manufacturing Company(TSMC)0.13μm Radio Frequency(RF)Complementary Metal Oxide Semiconductor(CMOS)process.The LNA employs self-cascode devices in current-reuse configuration to enable lower supply voltage operation without compromising the gain.This design uses an active feedback amplifier to achieve input impedance matching,avoiding the introduction of resistive negative feedback to reduce gain.A common source(CS)amplifier is used as the input of the low noise amplifier.In order to achieve the low power consumption of LNA,current reuse technology is used to reduce power consumption.Noise cancellation techniques are used to eliminate noise.The simulation results in a maximum power gain of 22.783,the reverse isolation(S12)less than-48.092 dB,noise figure(NF)less than 1.878 dB,minimum noise figure(NFmin)=1.203 dB,input return loss(S11)and output return loss(S22)are both less than-14.933 dB in the frequency range of 2515-4900 MHz.The proposed Ultra-wideband(UWB)LNA consumed 1.424 mW without buffer from a 1.2 V power supply.
文摘Table 36.1. Revised November 1993 by E. Browne （LBNL）.＂Emission probability＂ is the probability per decay of a given emission; because of cascades these may total more than 100%. Only principal emissions are listed. EC means electron capture,
基金Project supported by the National Natural Science Foundation of China(No.60776021)the Open Fund Project of Key Laboratory in Hunan Universities,China(No.09K011)
文摘A new,low complexity,ultra-wideband 3.1-10.6 GHz low noise amplifier（LNA）,designed in a chartered 0.18μm RFCMOS technology,is presented.The ultra-wideband LNA consists of only two simple amplifiers with an inter-stage inductor connected.The first stage utilizing a resistive current reuse and dual inductive degeneration technique is used to attain a wideband input matching and low noise figure.A common source amplifier with an inductive peaking technique as the second stage achieves high flat gain and wide -3 dB bandwidth of the overall amplifier simultaneously.The implemented ultra-wideband LNA presents a maximum power gain of 15.6 dB,and a high reverse isolation of—45 dB,and good input/output return losses are better than -10 dB in the frequency range of 3.1-10.6 GHz.An excellent noise figure（NF） of 2.8-4.7 dB was obtained in the required band with a power dissipation of 14.1 mW under a supply voltage of 1.5 V.An input-referred third-order intercept point（IIP3） is -7.1 dBm at 6 GHz.The chip area,including testing pads,is only 0.8×0.9 mm2.
