1) Complex-Correlation Method For Estimating Frequency
复相关测频法
2) reply relevant laws
复相关法
3) method of correlation frequency spectrum
相关频谱法
1.
High resolution extracting compressional wave slowness for multipole array acoustic logging with the method of correlation frequency spectrum;
相关频谱法高分辨率提取多极阵列声波测井纵波时差
4) the mean of phase of frequency measurement
相位法测频
5) phase frequency measurement method
相位测频法
1.
This paper discusses the accurate frequency measurement method after digital channelization based on the phase frequency measurement method,analyzes the performance of phase frequency measurement,simulates the channelized data by the phase frequency measurment method,and discusses the processing method while multi-signal existing in the same channel at the same time.
讨论了基于相位测频法的数字信道化后的精测频方法,对相位测频性能进行了分析,利用相位测频法对信道化后的数据进行了仿真,并讨论了同一信道中同时多信号的处理方法。
6) relativity of the measured power signal
相关检测法
1.
There are three adaptive ways:pilot signal,minimizing the measured power signal and relativity of the measured power signal.
提出了3种常用的前馈功率放大器自适应方法:导频法、最小功率检测法和相关检测法。
补充资料：复相
复相
磁共振成像术语。磁共振成像中，施加90°射频脉冲可使外磁场(B0)内的质子运动频率趋向一致(聚相)。90°射频脉冲中止后，原有的质子进动相位的一致性逐渐消失，导致横向磁化矢量消失。若再施加适当的射频脉冲，如180°射频脉冲，则可使质子的运动频率重新趋向一致，称为相位重聚，简称复相。
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参考词条