1) coherent rake reception
相干Rake接收
2) noncoherent rake reception
非相干Rake接收
3) RAKE receiver
RAKE接收机
1.
Simplified RAKE receiver for ultra-wide band communications;
用于超宽带通信的简化RAKE接收机
2.
Performance analysis of low complexity RAKE receiver in ultra-wideband system;
宽带系统中低复杂度RAKE接收机的性能研究
3.
An adaptive blind multiuser detection RAKE receiver based on Kalman filter;
一种基于Kalman滤波的盲多用户检测RAKE接收机
4) RAKE receivers
RAKE接收机
1.
Performance of UWB Rake receivers based on PPM modulation;
基于PPM调制的超宽带Rake接收机性能研究
2.
3a channel mode,with the assumption that PPM-TH modulation is used,in dense multi-path environment,the performances of single-user and multi-user systems using RAKE receivers are respectively analyzed.
3 a信道模型,针对采用TH调制的二进制PPM超宽带系统,在密集多径信道环境中,对采用RAKE接收机的单用户系统和多用户系统的性能分别进行了分析,并给出了仿真结果。
3.
In addition,the taps of the RAKE receivers have been optimized under the condition of the least bit error probability.
采用的扩频序列为尾偏移混沌扩频序列,构造一个简单的基于RAKE接收机的多用户DS-CDMA系统模型,并在多径衰落信道下,推导出系统的误码率公式。
5) Rake receiver
Rake接收
1.
In addition, based on this mul-tipath channel model and Monte Carlo analytic method, performances of RAKE receiver using different kinds of modulation schemes are studied and simulated in terms of bit error rate.
利用Matlab仿真了不同实际环境下UWB的多径信道响应,并在此基础上利用蒙特卡罗方法,分析比较了采用不同调制方式(BPSK、二进制正交和二进制DPSK)时RAKE接收机的误码率性能,发现采用BPSK方式调制时,UWBRAKE接收机的性能最优。
2.
The RAKE receiver is employed to resist more path decline and realize the data transmitted with a low mistake rate.
方案中利用相关搜索、FFT捕获的方法捕获信号,利用滑动相关完成位同步和信道估计,利用RAKE接收机抗多径衰落,并用DSP实现了数据的低误码率传输。
6) RAKE reception
RAKE接收
1.
The proposed system separated each component of independent signals passing through the multi-path in radio and optical links, which are gathered at the central control unit, by using RAKE reception.
系统中的分布式天线把接收到的无线信号通过光纤传送到中央处理单元,在中央处理单元进行RAKE接收,同时可以得到宏分集效果。
2.
Rake reception is an important way to boost the performance of ultra-wide band receivers.
超宽带信号经多径信道传播会产生严重的时间弥散,采用Rake接收是提高超宽带接收机性能的重要手段。
3.
RAKE reception is an important way to boost the performance of ultra-wide band receivers.
采用RAKE接收是提高超宽带接收机性能的重要手段。
补充资料：相干散射和非相干散射
再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
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