1) frequency-shift filter
频移滤波器
1.
Anti-interference performance analysis of frequency-shift filter in scenario of multiple WPANs accessing HAN;
多个无线个域网接入家域网场景的频移滤波器抗干扰性能分析(英文)
2.
On the basis of direct sequence spread system, frequency-shift filter is added into the receiver of communication system.
该算法在接收端设置了频移滤波器,以便同时利用信号的时间相关性及频谱相关性来实现信号的分离。
2) blind frequency shift filter
盲频移滤波器
4) BA-FRESH
盲自适应频移滤波器
1.
Based on the cyclostationarity of the DS signals,the blind adaptive frequency shift filter (BA-FRESH) is proposed,which can extract the signals from spectrally overlapping interference and white noise.
基于扩频信号的周期平稳特性,提出利用盲自适应频移滤波器(BA-FRESH)提取混杂在同类扩频干扰和白噪声中所需信号的方法。
5) frequency-shift (FRESH) filter
频率移位(FRESH)滤波器
6) adaptive frequency shift filter
自适应频移滤波器
1.
Launch analysis according to the frequency shift filtering technology,introduced the working principle of frequency shift filtering technology using in anti-jamming,analyzed the structure of the adaptive frequency shift filter,and was broadcast the application within anti-jamming of the television satellite to carry on a research to the frequency shift filter.
基于频移滤波技术展开分析,介绍了频移滤波技术抗干扰的工作原理,分析了自适应频移滤波器的结构,并对频移滤波器在广播电视卫星抗干扰中的应用进行了研究。
补充资料：多普勒频移
多普勒频移
物理学术语。又称“多普勒频率”。由多普勒效应引起发射频率与运动目标反射波或散射波信号频率之间的频差。反射体引起的多普勒频移(fd)与发射频率(fs)的关系式为fd=(2Vcosθ)·fs，C为声速，V为反射体的运动速度，θ为反射体运动方向与声束指向之间的夹角。取超声诊断中的典型数据可算得血流。胎心检测中的多普勒频移(fd)均在声频范围之内，因此这类诊断仪器均可采用扬声器来监听。
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