two frequency method的意思|示意

By applying the transfer matrix method to the finite strip method the more simultaneous frequency equation is thus simplified to a two-frequency equation problem.

此法是将有限条法与传递矩阵法结合使用，一般能将频率方程压缩到二阶，对于变厚板显得更为有效。

Traditional image compensation methods could mainly divided into two kinds, i. e. space range method and frequency range method.

传统的图象补偿方法基本上可分为两类，即空间域法和频率域法。

A new method which using two order keystone transform to correct quadratic migration and frequency domain correction to correct once migration was proposed.

提出了一种新的解决方法，即利用二阶keystone变换补偿时间二次项，然后用频域校正算法补偿时间一次项。

By analyzing error separation techniques of two-point method in frequency-domain, some mathematical models of separating straightness error are presented in the paper, and computer imitation is made.

本文通过分析研究领域两点法误差分离技术，建立了直线度误差分离数学模型，并进行了计算机仿真。

A method to detect vacuum degree using crystal resonator had been investigated, and resonant frequency of crystal resonator could be stabilized after two days aging test at least.

研究了一种利用晶振测量 真空度的方法，经试验，至少经两天老化后晶振的共振频率才能稳定；

Method: to use Model HKY06A heart vibration sensor for the detection of the heart sound, and to form the heart sound envelope with two way hardware rectification and low frequency passed filter.

方法：使用HKY06 A心音传感器提取心音信号，使用双向检波及低通滤波实现心音包络的提取。