在实验室内用频谱振幅比较法模拟测试了储集层岩石在高温高压下的弹性波振幅衰减值。
Attenuation of wave amplitude of reservoir rock at simulated high temperature and pressure is measured with spectrum-amplitude comparison mediod in laboratory.
该算法迭代过程中不再与被加密的原始图象进行比较，而是用加密图象振幅分布的均匀性控制迭代。
This algorithm is controled by the amplitude uniformity of encrypted image rather than comparing the original image encrypted with calculated result.
比较了近炮检距剖面、叠加剖面、偏移剖面、瞬时振幅剖面与瞬时相位剖面上BSR的显示特征。
The appearances of BSRs oon near-offset profile, stacked profile, migration profile, migration profile, instantaneous amplitude profile and instantaneous phase profile are compared and described.
与强迫振动试验相比，环境振动试验比较简单、方便，所确定出的小振幅水平下的木塔结构动力特性具有足够的精度。
Compared with forced vibration tests, the ambient vibration test is more convenient and it has enough accuracy for the small amplitude response characteristics.
以单连杆弹性臂动力学模型为基础讨论转速对频率、振幅的影响，得出了动力刚化的机理，并对其是否考虑动力刚化效应时进行了数值仿真比较与分析。
The dynamic rigidity mechanism is obtained by discussing the effect of rotational speed of single connecting rod elastic arm on frequency and amplitude on the basis of dynamic model.
比较不同驱动信号的驱动效果，发现方波输入能使驱动器获得最大的振幅。
The square wave signal can make the piezoelectric actuator gain a higher amplitude than with a sine wave, triangular wave, or toothed wave signal.
结果表明：目前比较适合用于偶氮苯聚合物长周期光纤光栅刻写的方法有偏振直写法和振幅掩模法两种。
The results show that it is suitable to write azopolymer long-period optical fiber gratings using the polarization direct writing method and amplitude mask method.
实际野外试验结果表明，采用串联检波器串的方式所得记录的相位连续性好、振幅增强，信噪比较高。
The results of field test showed that adopting cascade geophone pattern can be results of good continuation of phase, enhanced amplitude and high signal-to-noise ratio on the records.
速度比较大、刀盘倾角较小、振幅与频率较小、刀片数量为4把时可以获得较小的破头率。
We'll acquire the small broken rate when speed ratio is big, the angle of knife dish is small, amplitude and frequency is small, the number of blade is 4.
实验考察了在不同强制振荡周期与振幅下的丙烯转化率和丙烯醛选择性及收率的变化，并与稳态反应条件下的结果作了比较。
Variations of propylene conversion, acrolein selectivity and yield were investigated experimentally by various forced oscillation patterns and compared with the results of steady-state operation.
通过把波形和振幅与精确解比较表明，该方法具有较好的精度。
The accuracy of this approximation is justified by comparing the numerical results with the more accurate results.
通过对模拟实验结果的比较分析，讨论了振幅补偿对二元图像质量的改善效果。
Quantitative analyses and discussions of the improved result are given by comparing the fi…
本文同时还对其中42个海城余震的初动半周期和初动振幅进行了测量并求出这些地震的震源参数，对二种方法得到的结果进行了比较。
Source parameters for 42 out of 59 events can be obtained by he two approaches, and their results are simply compared as well.
当原始数据的信噪比较低时， 阈值的选择受大振幅噪音的影响，使压缩比略有下降，但仍然能够保持信号基本不失真。
The results showed that, enen with compression ratio of more than 200, the data could be reconstracted with out significant loss of useful signals by the method.
当原始数据的信噪比较低时， 阈值的选择受大振幅噪音的影响，使压缩比略有下降，但仍然能够保持信号基本不失真。
The results showed that, enen with compression ratio of more than 200, the data could be reconstracted with out significant loss of useful signals by the method.
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