结果表明,研制的天线扼流圈可有效地削弱多路径效应的影响,并可明显地改善单频GPS接收机ntscgps - 1的抗干扰能力。
The results show that the developed antenna choke ring can effectively reduce the multi-path effects and can improve the interference-resistant ability of the single frequency GPS receiver, NTSCGPS-1.
自行研制的复合阵列天线具有增益高、方向性图尖锐、抗干扰能力强的特点。
The composite arrayed antenna has the characteristics of high gain, sharp directionality and strong anti disturbance ability.
论文中分析了这种智能天线的工作原理、DOA估计、组阵形式、切换方法和抗干扰能力等问题。
The theory, estimation of DOA, arrangement of array, switching methods and anti-jamming ability of smart antenna are analyzed.
本文基于卫星导航定位系统接收机的智能天线抗干扰应用背景,研究了利用PN码的盲自适应波束形成算法。
The blind adaptive beamforming algorithms using PN code are studied in this paper, based on the smart antenna anti-jaming application in satellite navigation and position system receiver.
本文给出模式S应答机的构成,并对天线分集,抗干扰性及数据链的性能给予说明。
In this paper the structure of Mode s transponder is shown and the antenna diversity, anti-interference as well as the performance of data link are elaborated upon.
由于馈电误差的影响,相控阵天线的指向精度降低,旁瓣电平恶化,抗干扰能力下降。
Due to the effect of feeding error on antenna's radiation performances, which causes the degradation of the sidelobe level, the pointing accuracy and the anti-jamming capability of phased arrays.
传统的单天线多延迟系统仅从时域抗干扰,抑制干扰能力有限。
The traditional single antenna and multiple delays system restrain the interference only from the time domain, so the anti-interference ability is limited.
本论文着眼于增强GPS接收机天线部分的抗干扰能力,提出基于天线阵列与自适应算法的的设计方案。
This thesis focuses on enhancing the anti-jamming ability of GPS receiver antenna. And a design based on antenna arrays and adaptive algorithm is presented.
在GPS抗干扰接收机研究中,首先要对天线信号进行模数变换,ADC的性能直接影响接收机抗干扰的动态范围和输出信噪比。
In researching GPS anti - jam receivers, since the signal received by the antennas should be transformed into digital signal first, ADC determined the capability and performance of the receiver.
相控阵天线由于馈电误差的影响,旁瓣电平恶化,抗干扰能力降低。
Due to effects of feed errors, the phased array antenna's sidelobe levels are degraded and the capability of anti-jamming is reduced.
智能天线技术以其良好的抗干扰性能,成为改善CDMA系统功能的有利手段。
Smart antenna have become one of the main ways of improving the performance of CDMA's system because of its well noise immunity capacity.
其中包括了帧存储、功率放大和天线等的设计方案,提出了一系列抗干扰措施。
The hardware design also includes the design plan of frame storage, power amplify and antenna. And a series of anti-jamming measures are presented.
智能天线技术是第三代移动通信中的核心技术之一,最初主要应用于雷达和军用抗干扰通信。
As one of the key techniques for the 3g mobile communication, smart antenna initially was applied to radar and military anti-jamming communication.
智能天线技术是第三代移动通信中的核心技术之一,最初主要应用于雷达和军用抗干扰通信。
As one of the key techniques for the 3g mobile communication, smart antenna initially was applied to radar and military anti-jamming communication.
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