首先用参数模型来描述雷达探测信号，然后用最大似然(ml)法对模型参数进行估计。
Using parameter model to describe the radar signals reflective from targets and then the model parameters are estimated by means of ML method.
由于电磁信号在地下传播时不断衰减，瞬变电磁测深法有一个最大探测深度。
The transient electromagnetic method has a maximum depth because of continuous attenuation by transmission of electromagnetic signal in underground.
然而用涡流法对它进行检测的最大难度在于检测信号的处理。
Eddy current is an effective method in which the most difficult task is the processing of the signal.
分别推导了分形信号和白噪声的小波系数统计量的公式，在此基础上用最大似然法进行参数估计。
We have derived the formulas for wavelet coefficients of the fractal signal and white noise separately on the basis of which the maximum likelihood method is used to estimate the fractal parameter.
指出基于最大相关原理（光电探测器输出信号极值判断法）的匹配解调只适用于两个光纤光栅具有相同的反射谱型。
The wavelength-matched demodulation based on maximum correlation, extremum judgment of photodetector output signal, are only available for alike reflective spectra.
指出基于最大相关原理（光电探测器输出信号极值判断法）的匹配解调只适用于两个光纤光栅具有相同的反射谱型。
The wavelength-matched demodulation based on maximum correlation extremum judgment of photodetector output signal are only available for alike reflective spectra.
利用阵列天线接收信号的空时平稳特性，在最大特征值法的基础上提出一种改进的DOA估计算法。
Making use of the temporal-spatial stationary characteristic of the array antenna received signals, an improved DOA estimation algorithm based on the largest eigenvalue is proposed.
第二个是采用现代谱估计技术（最大熵法，最小交叉熵法）分别对雷达发射信号脉内及脉间的起伏特性进行分析。
The second is that the fluctuation spectra of intrapulse and pulse-to-pulse are estimated respectively with modern spectra estimation approaches(maximum entropy and minimum cross—entropy).
计算结果表明：旋转误差使三光束法循迹信号的幅值近似呈周期性变化，它是在生产过程中需要严格控制的参数以保证循迹信号的幅值最大化；
The rotation angle approximately periodically changes the sub-beam signal amplitude and should be strictly controlled in the assembly to maximize the tracking signal amplitude.
根据语音信号产生机理，结合常用的线性预测和最大似然法，提出了一种有效的基音检测算法。
According to the mechanism of speech signal, an effective pitch detection algorithm by combined liner predictive coding with maximum likelihood is proposed.
根据语音信号产生机理，结合常用的线性预测和最大似然法，提出了一种有效的基音检测算法。
According to the mechanism of speech signal, an effective pitch detection algorithm by combined liner predictive coding with maximum likelihood is proposed.
应用推荐