1、

Amplitude frequency characteristics and application of transfer function by digital seismograph

数字地震仪传递函数幅频特性及其应用的分析

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2、

The curves of its amplitude frequency response have some nonlinear features, such as inclination and jump phenomena of the curves, which coincide with the theoretic analysis.

参激横摇幅频响应曲线具有某些非线性特征,如曲线的倾斜和跳跃现象,这与理论分析是一致的。

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3、

The dynamic compliance coefficient curves and the torsional angle amplitude of a rigid disc versus the dimensionless frequency are presented.

文末数值算例给出了动力柔度系数和扭转角幅值随无量纲频率的变化曲线,并与单相弹性介质情况进行了对比分析。

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4、

The abrasive particles move faster toward the center in the case of larger ultrasonic amplitude or bigger abrasive particles, resulting in concave bottom shape of micro hole.

振幅越大或者磨粒粒径越大,磨粒向中心聚集的速度越快,导致微孔底面出现凹陷状。

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5、

Experiment shows that when damping coefficient and positive feedback capacity are properly chosen and theoretical amplitude-frequency curve is basically in conformity with actual one, the alias filter can provide high fidelity of transmitted seismic signal.

实验表明,阻尼系数和正反馈电容选择合适,理论计算的幅频特性曲线和实测的幅频特性曲线基本一致,可以实现去假频滤波器对传输地震信号的高保真。

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6、

This is a constant-amplitude wave which is essentially the same on the conjugate image plane.

这是一个振幅恒定的波,在共轭的象平面上也是如此。

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7、

With the simulated cotidal chart of M2 tidal constituent, the distributing characteristics of the amplitude and the phase lag of M2 in the sea region near Zhanjiang are revealed.

根据模拟结果绘制的M2分潮的同潮图,揭示了湛江附近海域M2分潮振幅和迟角的分布特征以及M2分潮的传播和发展规律。

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8、

An AGC amplifier is presented. When pressing the dynamic range of the amplitude of CW ( Cosine Wave) pulse, it can shorten the time duration of front edge at the same time.

本文给出了一种在对CW(cosinewave)脉冲幅值做动态压缩的同时,能缩短CW脉冲前沿上升时间的AGC电路。

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9、

Entry indexing methods is analyzed and improved. A simple indexing means called amplitude-power alternative method is raised. This method satisfied common amplifier nonlinear curve, moreover, it can be easily realized.

同时对查找表的地址索引方式进行了分析改进,提出了幅度功率二择一的简单寻址方式,能很好的满足常见功放非线性曲线分布的要求,而且算法简单易实现。

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10、

The movement amplitude in the costal region was larger than that in the lumbar and sternal region.

膈肋部的运动幅度大于腰部和胸骨部。

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11、

Ice cover in certain wire with often occur dance, it is a kind of low frequency, the large amplitude of self-excited vibration.

覆冰导线在一定风速下将会产生舞动,舞动是一种大振幅、低频率的自激振动。

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12、

During toothbrushing, bristles should be placed at an angle against the gum margins, gently move the toothbrush back and forth in small amplitude like massaging the gums with only the bristles moving but the toothbrush head hardly moves.

刷牙时,刷毛要斜斜的放在牙龈旁边。刷牙的动作幅度不要大,前前后后的,好像在摩擦牙齿,刷毛在摆动,但牙刷头只是少许摆动。

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13、

Principle and Application of the Additional Weight Balance of Micro-amplitude Mechanism Driven by a Crank Gear

曲柄机构传动的微幅振动机械的配重平衡平衡重,配重作为一种抗衡的重量

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15、

Amplitude and phase characteristics of elements on a closely placed cylindrical array

密排圆柱基阵基元振幅和相位特性

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16、

It found that with the same load amplitude and different loading times, several different deformation modes exist no matter for free forming or for modeled forming.

发现在载荷幅值相同、加载时间不同时,无论是自由成型还是有模成型,都存在着几种不同的变形模式。

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17、

Using wavelet analysis to handle these signals can extract unbalance signal amplitude preferably. Using successive approximation method decreases can decrease phase error in the actual applications& improve the efficiency and accuracy of dynamic balancer.

采用小波分析来处理信号,可以很好的提取不平衡信号幅值,使用逐次逼近法减小实际应用时不平衡点的相位误差,提高了动平衡精度和效率。

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18、

Some realization ways of measurement are discussed, including the maximum output power, output amplitude and noise bandwidth.

讨论了低频噪声源的最大输出功率、噪声输出幅度以及噪声带宽测试的实现途径。

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19、

The positive DC corona streamer pulse amplitude and frequency under different pressure and humidity was measured, the results were in good agreement with the waveforms calculated by the fluid model.

为此,测量了不同气压和湿度下的正直流电晕流注脉冲幅值和脉冲重复频率,实验结果与利用流体模型计算得到的波形随气压和湿度的变化规律一致。

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20、

Based on geophysics forward modeling and through-well seismic section analyzing, the cavernous reservoir shows "a string of beads" strong amplitude in seismic sections.

根据地球物理正演模拟和过井地震剖面分析,洞穴型储层在地震剖面上表现为“串珠状”强反射的特点。

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