All the conventional vibrators use the sweep signal of which the instantaneous frequency shows linear change with time.
常规可控震源都是采用瞬时频率随时间线性变化的扫描信号。
Gunning refractory are made and its properties, such as linear change during baking and thermal shock resistance, are measured.
配制系列高炉喷补料，并检测其烧后线变化及耐热震性等性能。
The results of computation show that the linear change vortex distribution is more reasonable than the constant vortex distribution.
计算结果表明，利用线性变化涡分布要比利用常值涡分布来得合理一些。
The eigen value method of matrix analysis technique is applied to the cars with all the suspension elements being linear change and with cone treads.
应用线性矩阵分析技术的特征值方法适用于悬挂元件均为线性变化并带有锥形踏面的车辆。
A novel digital control strategy based on linear change of inductor current is presented, which is easy to be realized with digital control methodology for DC-DC converters.
为获得DC - DC变换器易于实现的数字控制方法，提出了一种基于电感电流线性变化的数字控制策略。
If a proper non - linear change of the instantaneous frequency is realized, we can get a frequency spectrum whose input is the mean of the reciprocals of bed attenuation coefficients.
如果把瞬时频率作适当的非线性变化，就可以得到一个以地层衰减率的倒数的平均值为输入的频谱。
If a proper non - linear change of the instantaneous frequency is realized, we can get a frequency spectrum whose input is the mean of the reciprocals of bed attenuation coefficients.
如果把瞬时频率作适当的非线性变化，就可以得到一个以地层衰减率的倒数的平均值为输入的频谱。
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