1) ingenious differentially coherent integration
简易差分相干积累
1.
According to the practical application background,a new and high-sensitivity acquisition method of software GPS receiver is proposed based on ingenious differentially coherent integration.
面向GPS软件接收机高灵敏度捕获应用,提出了一种新的基于简易差分相干积累的高灵敏度捕获算法。
3) coherent integration
相干积累
1.
Coherent integration in same range cell may be done via fast Fourier transform(FFT) within each CPI and noncoherent integration thro.
进而提出了一种基于相干-非相干混合积累的微弱运动目标检测新方法:把检测时间分成多个连续的相干处理间隔(CPI),在各CPI内部通过FFT实现同一距离单元内信号的相干积累,在各CPI间通过Hough变换实现跨越距离单元的非相干积累,从而获得大的积累增益。
2.
Taking advantage of fractional Fourier transform(FrFT) to process the energy concentration of Chirp signal,a novel multiple time-around echo pulses coherent integration method based on FrFT for wideband Chirp radar is proposed.
利用分数阶傅里叶变换(Fractional Fourier Transform,FrFT)处理Chirp信号的能量集聚性,提出基于FrFT的运动目标宽带Chirp雷达多周期回波相干积累方法。
3.
Using FFT and Inverse FFT(IFFT) techniques to speed up operations,and taking use of both coherent integration and non-coherent integration for improving SNR of the test statistic.
讨论高动态、低信噪比的长伪码信号搜索的基本原理,提出一种基于FFT的快速捕获算法:在一个伪码周期内利用FFT和IFFT提高伪码相关运算速度,并利用多个伪码周期的相关运算数据进行相干和非相干积累,以改善检测统计量信噪比。
4) coherent accumulating
相干积累
1.
The architecture of all digital receiver is introduced into spectrum spread receiver in which a forward parallel processing architecture is adopted instead of the feedback,and a difference coherent accumulating method is adopted for capturing the phase of PN code with low SNR.
将全数字接收机的结构引入到扩频接收机中,用一种前向的并行处理结构来代替传统码延迟锁定环的反馈结构,采用差分相干积累的方法捕获低信噪比扩频信号的伪码相位。
5) reverberation eliminator
相干累积
6) Differentially Coherent Integration
差分相干积分
1.
Differentially Coherent Integration Algorithm in High Sensitivity Satellite Navigation Receiver
高灵敏度卫星导航接收机的差分相干积分算法
补充资料：简易
①简单而容易的：～办法。②设施简陋的：～公路ㄧ～楼房。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条