| 1. | The power combining efficiency reaches 85 % 合成效率达到80 %以上,取得了良好结果。 |
| 2. | The combined efficiency of college journals and the tendency 高等学校学报综合效益的状况与趋向 |
| 3. | Especially , the combined efficiency of different security functional components and anti - attack strength classification are described in detail 核心是讨论计算机信息系统各安全功能组件组合后对系统安全强度的影响和抗攻击强度级别划分的依据。 |
| 4. | This thesis mainly expresses the design , research and analysis for millimeter - wave power combiner components and for the combining efficiency of power combiner system 本论文的工作主要是对毫米波功率合成相关组件及系统合成效率进行了设计、研究和分析。 |
| 5. | Then , a power - combiner has an output power over 1watt and a power - combining efficiency of 83 % at 34 . 2 - 35 . 5ghz was realized . small - signal gain and saturated output power were measured under both continuous wave and pulse wave 利用小功率芯片设计8路开槽波导功率合成器,给出了连续波工作状态与脉冲工作状态的测试结果,包括通带内小信号增益及饱和输出功率。 |
| 6. | If the fabrication technology is improved , further increment of combining efficiency can be expected . moreover , obtain of the high efficiency two - way power combining lays a firm foundation for multilevel combining 实验证明,两路功率合成基本上达到了设计要求,但还有诸多问题有待研究和解决,若进一步提高制作工艺,改进电路结构,合成效率有望进一步提高。 |
| 7. | In this thesis , the overall scheme is to establish a circular array system which is formed from units of parabolic antenna . then , the resultant field will be detailed studied , in order to find out a steady - going array antenna system with the best combined efficiency 本文的主要内容是,利用抛物反射面天线组成圆形阵列,并对该天线阵列的空间合成场问题进行研究,力求在实际应用中得到稳定的、合成效率达到最优的空间合成场。 |
| 8. | At the operating voltage and current less than rated values , the amplifier provides a maximum of 5 . 94 - w ( continuous wave ) output power when driven into saturation . the average combining efficiency over the operating band was estimated at 82 % . the maximum combining - efficiency and the overall power - added efficiency ( pae ) is 87 % and 13 . 6 % , respectively 该功率合成放大器在低于mmics功率单片额定工作值的情况下获得了1 . 7ghz带宽的最大饱和输出功率5 . 94w (连续波) ;整个带内合成效率估计平均为82 % ,最大合成效率达87 % ,功率相加效率( pae )约为13 . 6 % ;若电源达到mmics单片的额定值,估计最大输出射频功率将会达到7w 。 |
| 9. | The ingredients limiting power capability and depress combining efficiency in the whole system have been discussed . the infection of the dimension of microstrip line to power capability of devices and the power capability of isolate resistor has been investigated in detail . a high efficiency adaptive power combining technique restraining great degradation in multi - way combining system has been introduced ; 2 文章的主要内容是: 1 .讨论了功率合成系统中限制功率容量、降低合成效率的因素;详细研究了微带线尺寸对器件功率容量的影响,以及大功率合成系统中隔离电阻功率容量的量值;针对多路合成系统中适度恶化现象合成提出高效率的自适应合成方法。 |
| 10. | The 3 - db bridge of low loss , which is the vital part in improving power combining efficiency , is different from wilkinson bridge . it features usage in high performance power division and combining networks with the usual dielectric materials , as well as low loss , no need for resistant material , and simple fabrication technology 本课题设计的低损耗3 - db电桥不同于一般常用的wilkinson电桥,其特点除了损耗低外,无需阻性材料,且制作工艺简单,可以在常用的软基片上做出高性能的功率分配、合成网络。 |