In recent years,with the increasingly serious traffic problems in large cities of China,transformation to polycentric urban spatial structure has been considered as an important initiative to improve the urban traffic...In recent years,with the increasingly serious traffic problems in large cities of China,transformation to polycentric urban spatial structure has been considered as an important initiative to improve the urban traffic performance.This study examines the traffic performance of the polycentric spatial structure of Harbin,and analyzes the factors influencing the traffic performance of the structure using the location reselection hypothesis theory.The results show that the polycentric spatial structure does not significantly improve Harbin’s traffic performance,and only the centers in peripheral areas indicate advantages in commuting speed and distance,to which the main reason is that the social and spatial factors reduce the importance of commuting costs,making long-distance commuting economically rational and hindering possible location reselection.It is an effective direction for the improvement of the traffic performance of polycentric spatial structure by facing up to the rationality of long-distance commuting and transportation demand,improving the location equilibrium of residential and employment resources,and constructing high-grade centers in peripheral areas in appropriate locations and with comprehensive functions.展开更多
为验证TD-LTE系统RRM(无线资源管理)中小区重选过程的协议一致性,设计了一种通过执行TTCN-3(testing and test control notation vertion 3,测试和测试控制表示法版本3)抽象测试套进行测试的新方法。并基于德国Testing Tech公司开发的TT...为验证TD-LTE系统RRM(无线资源管理)中小区重选过程的协议一致性,设计了一种通过执行TTCN-3(testing and test control notation vertion 3,测试和测试控制表示法版本3)抽象测试套进行测试的新方法。并基于德国Testing Tech公司开发的TTworkbench平台运行TTCN-3测试套,自动生成GFT(图形表示格式)和测试报告,有效验证了小区重选功能实现的一致性。目前该方案已成功应用于TD-LTE系统TTCN扩展测试集仪表(RRM部分)的项目开发中。展开更多
文摘In recent years,with the increasingly serious traffic problems in large cities of China,transformation to polycentric urban spatial structure has been considered as an important initiative to improve the urban traffic performance.This study examines the traffic performance of the polycentric spatial structure of Harbin,and analyzes the factors influencing the traffic performance of the structure using the location reselection hypothesis theory.The results show that the polycentric spatial structure does not significantly improve Harbin’s traffic performance,and only the centers in peripheral areas indicate advantages in commuting speed and distance,to which the main reason is that the social and spatial factors reduce the importance of commuting costs,making long-distance commuting economically rational and hindering possible location reselection.It is an effective direction for the improvement of the traffic performance of polycentric spatial structure by facing up to the rationality of long-distance commuting and transportation demand,improving the location equilibrium of residential and employment resources,and constructing high-grade centers in peripheral areas in appropriate locations and with comprehensive functions.
文摘为验证TD-LTE系统RRM(无线资源管理)中小区重选过程的协议一致性,设计了一种通过执行TTCN-3(testing and test control notation vertion 3,测试和测试控制表示法版本3)抽象测试套进行测试的新方法。并基于德国Testing Tech公司开发的TTworkbench平台运行TTCN-3测试套,自动生成GFT(图形表示格式)和测试报告,有效验证了小区重选功能实现的一致性。目前该方案已成功应用于TD-LTE系统TTCN扩展测试集仪表(RRM部分)的项目开发中。
