1) coherent integration
相参积累
1.
Effective coherent integration algorithm for high-speedmoving targets in Chirp radar;
Chirp雷达对高速运动目标有效相参积累的算法研究
2.
The simulation results show that the performance of the method based on Keystone transform is better than that of the classical coherent integration method.
仿真实验结果表明,基于Keystone变换方法的性能优于传统相参积累的方法。
3.
How to detect moving target in low SNR condition for moving-baselines time difference measuring system is studied,using multi-pulses coherent integration algorithm.
主要研究了动基线时差测量系统采用多脉冲相参积累算法对低信噪比条件下运动目标的有效检测问题。
2) coherent accumulation
相参积累
1.
Study on coherent accumulation against interference between radars with same frequency;
相参积累法抑制同频雷达间干扰研究
2.
Then,the effect of improving UWB radar target recognition probability by echo coherent accumulation is analyzed.
首先利用电磁散射理论分析了空中目标在超宽带(UWB)雷达照射下的电磁散射特性,阐述了UWB雷达目标识别的方法与步骤,然后对回波信号的相参积累用于提高UWB雷达目标识别概率的效果进行了分析。
3.
This paper presents the function of OCXO s frequency shift according to the curve of frequency shift,and analyses the influence on PD radar s coherent accumulation and target speed test,and provides the limits of frequency shift.
文中根据已知的OCXO在温升过程中频率慢漂变化的数据拟合出频率漂移函数,分析了该时间段内频率漂移对PD雷达中相参积累的损失和对测速精度的影响。
3) noncoherent integration
非相参积累
1.
The processor uses the characteristic that the noncoherent integration of independent and identically distributed noise is very similar to a Gaussian distribution to obtain the mean and covariance estimaties of the integrated noise from adjacent range cells.
其特点是根据独立同分布噪声的非相参积累结果近似 Gauss分布的特性 ,用不同的参考单元估计积累后噪声的均值和标准差 ,然后将待检测单元减去均值估计值 ,再与标准差估计值和固定门限的乘积相比较 ,从而实现恒虚警检测。
4) Non-coherent integration
非相参积累
1.
First,non-coherent integration is used to reduce false alarms,and then,a two-level plot clotting method based on CPI is presented.
通过分析单通道无人机载GMTI系统探测地面动目标的特性,研究了复杂密集回波环境下的地面动目标点迹处理问题,首先将非相参积累技术应用于点迹预处理上;接着提出了一种基于CPI的二级点迹凝聚方法,将属于一个目标的点迹序列凝聚成单个目标报告;最后通过仿真数据验证了文中算法可以有效达到提高系统信噪比、抑制假目标、提高跟踪质量、减轻航迹处理负担的目的。
5) coherent accumulation efficiency
相参积累效率
1.
It is noted that the scattered power loss and the coherent accumulation efficiency drop exist in the echo of the ripe chaff cloud.
在此基础上,通过研究并实测箔条云的后向散射功率和雷达的积累效率,提出了成熟箔条云存在着后向散射损失和相参积累效率下降,使得雷达获得的箔条云实际回波功率远小于其雷达散射截面值对应的回波功率。
6) long-term coherent integration
长时间相参积累
1.
According to the signal processing principle of interrupted continuous-wave radar homing head and the interference principle of towed decoy,a long-term coherent integration method is proposed for resolving the target and towed decoy in the Doppler frequency domain.
针对准连续波雷达导引头信号处理及拖曳式雷达诱饵的干扰特性,提出了一种长时间相参积累的方法来完成目标及诱饵的多普勒频率域分辨。
2.
According to the coherent phase-coded pulse train(CPCPT) signals used in terminal radar seeker,a long-term coherent integration method is proposed.
针对精确末制导雷达导引头相位编码相参脉冲串信号(CPCPT),提出一种长时间相参积累方法。
补充资料：相参
1.亦作"相叅"。亦作"相叅"。 2.相互参证。 3.参加。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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