|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Field trial of an HTS filter system on a CDMA base station显示文摘This paper presents the field trial results of a high temperature superconductor filter system (HTSFS) in a code division multiple access (CDMA) mobile communication base station (BTS) in Tangshan, China. The center frequency of the HTSFS is 830 MHz with 1.4% fractional bandwidth. The noise figure (NF) of the HTSFS, including connectors and cables, is 0.8 dB. The field trial results show that after the HTSFS was installed in the receiver front-end of a CDMA base station, the transmitting power of handset was decreased by 3.1 dB on average. Up to now, the HTSFS has been running steadily in the base station for more than 22 months, demonstrating the reliability and stability of the system. | YIN ZheSheng WEI Bin CAO BiSong WANG Xin GUO XuBo ZHANG XiaoPing GAO LongMa PIAO YunLong ZHU MaFeng LIANG Yong WANG Fan H. PIEL B. AMINOV F. AMINOVA M. GETTA S. KOLESOV A. KNACK N. PUPETER D. WEHLER | 2007 | Chinese Science Bulletin2007，52，2： | 7 |
| 2 | Sediment transport in ice-covered channels显示文摘The existence of ice cover has important effects on sediment transport and channel morphology for rivers in areas with an annual occurrence of an ice season.The interaction of sediment transport and surface ice is poorly understood.In this paper,data from existing flume experiments,each with a limited range of flow and sediment transport conditions,are analyzed.The analysis showed that the bed load transport in ice-covered channels can be described by conventional relationships for the equivalent free-surface flow if the flow strength is expressed in terms of the bed shear stress.A modified Rouse formulation considering the effect of the ice cover on velocity and turbulent diffusion is shown to be applicable for calculating the suspended sediment transport discharge. | Ian KNACK Hung-tao SHEN | 2015 | International Journal of Sediment Research2015，30，1： | 2 |
| 3 | Dose social capital have an economic pay off? A cross-country investigation 显示文摘 | KNACK S KEEFER P | 1997 | Quarterly Journal of Economics1997，112，4： | 1 |
| 4 | Dose social capital have an economic payoff A cross- country investigation 显示文摘 | Knack S Keefer P | 1997 | Quarterly Journal Economics1997，，04： | 1 |
| 5 | Trust and Growth 显示文摘 | Zak P and S Knack | 2001 | The Economic Journal2001，111，： | 1 |
| 6 | Does social capital have an economic payoff: A cross-country investigation显示文摘 | KNACK S KEEFER P | 1997 | Quarterly Journal of Economics1997，112，： | 1 |
| 7 | Does social capital have an economic payoff? a cross-country investigation 显示文摘 | KNACK S KEEFER P | 1997 | The Quarterly Journal ofEconomics1997，112，4： | 1 |
| 8 | Institutions and Economic Performance:Cross-Country Test Using Alternative Institutional Measures显示文摘 | Knack S Keefer P | 1995 | Eco- nomics and Politics1995，，12： | 1 |
| 9 | Does Social Capital Have an Economic Payoff? A Cross - Country Investigation显示文摘 | Knack S and P Keefer | 1997 | The Quarterly Journal ofEconomics1997，11，： | 1 |
| 10 | Social Capital and The Quality of Governmen显示文摘 | Knack S | | 0，，04： | 1 |
| 11 | Institutions and economic performance:Cross-country tests using alternative institutional measures显示文摘 | Knack S Keefer P | | 0，，07： | 1 |
| 12 | High-resolution spectra of jupiter in the 744-980 inverse centimeter spectral range显示文摘 | Tokunaga A T Knacke R F Ridgway S T | 1979 | Astrophys J(S0004-637X)1979，232，： | 1 |
| 13 | Does social capital have an economic payoff? A cross-country investigation显示文摘 | Knack S and Keefer P | 1997 | The Quarterly Journal of Economics1997，112，4： | 1 |
| 14 | Polarization, property rights, and the link between inequality and growth显示文摘 | Keefer P Knack S | 2002 | Public Choice2002，111，12： | 1 |
| 15 | Institutions and Economic Performance: Cross-Country Test Using Alternative Institutional Measures显示文摘 | Stephen Knack | 1994 | Economics & Politics1994，，7： | 1 |
| 16 | Social Capital and the Quality of Government:Evi- dence From the Stales显示文摘 | KNACK S | 2002 | American Journal of Political Scie- nce2002，46，4： | 1 |
| 17 | Trust and growth 显示文摘 | Knack S Zack P | 2001 | Economic Journal2001，，111： | 1 |
| 18 | Why don' t Poor countries catch up? A Cross-national Test of an Institutional Explanation显示文摘 | Keefer and Knack | 1997 | Economic Inquiry1997，35，3： | 1 |
| 19 | Does social capital have an economic payoff? A crosscountry investigation显示文摘 | KNACK S PHILIP K | 1997 | Quarterly Journal of Economics1997，112，4： | 1 |
| 20 | Social capital and the quality of government:evidence from the States显示文摘 | | 2002 | American Journal of Political Science2002，46，4： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员