| 1. | Ku x band broad - bandwidth converter
波段宽带变频器设计 |
| 2. | For an x band conventional phased array radar with 139 antenna elements , by using pwsm
本文还将该技术应用于905岸防相控阵雷达，在该雷达上做了验证试验。 |
| 3. | A x band microwave limiting amplifier is realized according to the theories of the output power saturation characteristics of hemt
本课题采用微波晶体管的饱和输出特性设计了x波段限幅放大器。 |
| 4. | In terms of the pic simulation , the output power of 1 . 5gw at c band and 200mw at x band in milo have been obtained
用整体上移的办法增加高次谐波，通过对输出频率的选择，在x波段获得了250mw的功率输出。 |
| 5. | The x - band limiting amplifier is a part of the front - end for x band receiver . in this thesis , a x - band limiting amplifier is designed
微波限幅放大器是电子侦察、电子对抗等雷达接收系统中的重要部件,存在着广泛的应用。 |
| 6. | To make the detection probability of x band gbr simulation system to meet requirements under complex environments , a reasonable design of sp sub - system is very important
要使gbr仿真系统在复杂环境下的目标检测能力达到要求,信号处理子系统的合理设计非常重要。 |
| 7. | A two - dimensional microwave imaging system in x band with stepped frequency signal and real aperture antenna is established . two - dimensional super - resolution algorithm is applied in this system
本文围绕实孔径微波成像系统，在提高系统的角度分辨率、二维超分辨处理和基于强散射中心分布的rcs数据压缩等方面进行了研究。 |
| 8. | Based on the research of x band ground based radar ( gbr ) simulation system , this dissertation mainly discusses the design and application of its sub - systems : return generation ( rg ) and signal processing ( sp )
本文以科研合同单位提出的x波段地基雷达( gbr )软件仿真系统的研究课题为背景,对其中的回波生成和信号处理仿真子系统的设计和实现进行了较为深入的研究。 |
| 9. | In the passive circuit part , according to the theories of microstrip line and coupled microstripwe , the characteristic of microstrip and coupled microstrip was analyzed , the x band filter and dc block circuit of amplifier have been designed by hp - ads software
为毫米波设备提供本振源。在无源电路部分，我们首先对微带线、耦合线等基本理论作了简单的介绍。 |
| 10. | In the active circuit part , based on the theories of multiplier of srd and fet , we have designed the circuit of x band 6 multiplier and ka band tripler . then they are simulated and optimized using harmonic balance method . furthermore , the results of optimization and experiments are analyzed
在有源电路部分，我们介绍了阶跃管、 fet倍频器的基本原理，在此基础上分别设计了两个倍频器电路，然后利用谐波平衡法进行了仿真，并对仿真、测试结果作出了比较。 |
