研究一类弱非线性内波导致的声信号幅度起伏机理。
Thirdly, the fluctuation of sound signal amplitude caused by one kind of non-linear internal waves is analyzed.
目标模型包括船舶的距离、方位、速度和回波幅度、幅度起伏。
The model of radar target is composed of distance, bearing, speed, heading and amplitude of echo, fluctuation.
最后在第三部分，研究一类非线性内波导致信号幅度起伏机理。
The fluctuation of sound signal amplitude caused by one kind of non-linear internal waves is analyzed in third part.
提出一种性能优越、幅度起伏小、可移植性好的改进IJF码型。
A new type of IJF pulse which has fine performance, low envelope fluctuation is presented.
对有幅度起伏的脉冲串进行幅度均衡也是实验上常需要的技术之一。
Amplitude equalization for optical pulses is one of the commonly used technologies in the experiment.
该方法研究了幅度起伏和时间漂移条件下回波包络模型，并对模型进行了简化处理，可以更准确地计算超声波渡越时间。
This method researches the echo envelope model which has been simplified in this paper under range wave and time excursion, and can compute the transmitting time more accurately.
而人民币实际有效汇率从那时起几乎没有起伏；只有小幅升值，幅度不大。
And you can see that China's real effective exchange rate has scarcely moved since that time; there has been a little appreciation, but nothing dramatic.
心肌超声背向散射积分(IB)在心动周期中起伏的幅度因心肌缺血而减小，对诊断心肌缺血有重要临床意义。
The amplitude of the fluctuation of myocardial ultrasonic integrated backscatter (IB) decreases when myocardial ischemia occurs, which makes IB important for the diagnosis of this disease.
论文针对L波段ISAR，通过四个数学模型仿真了电离层引起的目标回波相位起伏、折射效应以及回波幅度闪烁对ISAR图像的影响。
This paper gives four models to simulate effects of phase fluctuation, refraction and amplitude scintillation due to ionosphere on L-band ISAR.
只要你轻轻由下向上滑动屏幕，美女的裙子就会随着你滑动屏幕的幅度而起伏摇摆。
As long as you gently from upwards sliding screens, beauty skirt will as you slide screen amplitude rises and sway.
高频的频率边带由于幅度交叠的部分较少，所以对强度起伏贡献较少。
The higher frequency sidebands would have less contribution to the fluctuation due to smaller amplitude overlapping.
低幅度背斜识别的影响因素主要有两点：一是因地表形态起伏较大而引起的静校正问题，二是构造上倾方向存在速度异常。
There are two factors influencing identification of low-amplitude anticlines: One is the static correction problem caused by large fluctuation of the surface landform.
在岩心流动试验过程中，注入介质对岩心渗透率的影响必然会引起注入压力出现一定幅度的起伏。
During core flooding test, the influence of the injected medium on core permeability causes injection pressure to fluctuate.
呼吸时头部的上下起伏要控制在最小幅度，同时要保持呼吸前的体线不变。
A breathing position which minimizes the up and down movement of the head and maintains a proper body line.
硅片的表面起伏幅度、起伏的空间波长、表面张力、材料弹性和硅片厚度都是影响接触表面缝隙封闭的重要因素。
The important factors influencing the gaps closing include the gap height, the spatial wavelength, the specific surface energy of adhesion, the material deformability and the silicon wafer thickness.
重建语音的听觉感知效果主要取决于附加相位对频率的导数的起伏幅度。
The auditory perception effect of the reconstructed speech is mainly dependent on the amplitude of the derivative of the additive phase with respect to frequency.
在各阵元增益幅度不一致的条件下，提出了一种起伏目标的二维方向角和多普勒频率盲估计的新方法。
A new blind estimate of 2d Angle and Doppler frequency for fluctuating target signals was proposed with sensor gain uncertainties.
我们认为由于大幅度离子声波捕获了电子，波-粒子相互作用导致离子声波幅度沿轴向呈现周期性起伏。
Trapped electrons by ion acoustic waves oscillate in wave potential well, and exchange energy with waves frequently. The exchang…
我们认为由于大幅度离子声波捕获了电子，波-粒子相互作用导致离子声波幅度沿轴向呈现周期性起伏。
Trapped electrons by ion acoustic waves oscillate in wave potential well, and exchange energy with waves frequently. The exchang…
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