To distinguish the differences among analog frequency, digital frequency and normalization frequency is very important in signal processing and computer simulation. 在信号处理和计算机仿真中,明确模拟频率、数字频率及归一化频率等各种频率之间的关系是十分重要的。
Normalization method of ultrasonic testing signal, the advantages and disadvantages of time domain, frequency domain were discussed. 探讨了超声波检测信号归一化处理的方法,以及时域信号归一化和频域信号归一化的优缺点。
An Improved Algorithm of Cepstral Mean Normalization for Far-Field Speech Signal Recognition 适于远场语音识别的倒谱系数零均值化改进算法
We can use a seeded region-fill by scanning line to extract the intensity of the signal point. After removing background and date normalization, we can get the intensity information of the signal point. 本文采用一种种子扫描线区域填充的方法提取信号点的亮度信息,然后通过背景移除和数据的归一化处理,得到了信号点的亮度值。
AGC circuit is a very important additional circuit in signal receiver and many instruments. The role of it is to extend the dynamic range of receiver and realize primary normalization of measuring angle error and offer a stable IF and VF signal for other devices. AGC电路是信号接收机和一些仪器仪表中重要的附属电路,其作用是提高接收机的动态范围,能实现测角误差的初步归一化,向其它设备提供一个稳定的中频或视频信号。
Total intensity normalization is well used for distributing uniformity of signal intensity of low density chip; 总强度标准化方法应用于信号强度分布相对较均匀的低密度芯片较好;
The experiments also illustrate the influence of different normalization methods as well as the signal to noise ratio of spectrum on the measurement results. 另外还通过实验说明了不同归一化方法以及光谱的信噪比对测量结果的影响。
After eliminating the effect of shaping filter to the amplitude of the MPSK signals by the normalization of envelope, the signal multiplying by its shifted-conjugated, the higher order cumulants becomes applicable in the intermediate frequency signal which can only be applied in the baseband signal. 通过包络归一化消除成形滤波器对调相信号的幅度的影响,对信号进行移位共轭相乘,使仅适用于基带信号的高阶累积量可以适用于中频信号。
The noise and vortex signal are distinguished according to the cross-correlation curve based on the normalization of the cross-correlation function of noise signal and the vortex signal. 通过对噪声互相关函数和涡街互相关函数进行归一化,并根据归一化的互相关曲线分辨出噪声信号和涡街信号。