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频率函数

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The methods of discretization is used in the vertical direction to the silo structure ,thus establish cylindrical shell unit, cone shell unit , plate unit , foundation unit, and its semi-analytic displacement function A compute program compiled is used to calculate the static displacement and free vibratioa

本文对筒仓结构进行整体离散,构造了各种单元半解析的位移函数,建立环壳单元、锥壳单元、板单元、地基单元。并编制了程序,计算了各结线的静位移及其自由振动的频率和振型。

The formulation of design sensitivity of natural fnequencies and frequency response function is derived with respect to design parameters induding stiffness of shafts, average gear meshing stiffness, damping constant and inertia of gears etc.

推导了系统扭振固有频率及频响函数相对于设计参数的灵敏度计算公式,这些设计参数可以是轴的扭转刚度、齿轮平均啮合刚度、阻尼及齿轮转动惯量等。

However, you can create Perlin Noise functions with different characteristics by using other frequencies and amplitudes at each step.

尽管如此,你可以通过在每步使用其他的频率和振幅来创建不同特征的柏林噪声函数。

Usually frequency analyzers were used in experimental methods.

通常测量传递函数的方法需要使用频率分析仪。

Examples of suitable spin functions include frequency-modulated and amplitude-modulated sine waves.

合适的旋转函数的例子包括频率调制和幅度调制的正弦波。

The transfer function of the LLC resonant converter can be obtained by using the circuit impedance, ratio of resonant inductance, and quality factor.

其后级之半桥LLC谐振式转换器藉由推导电路阻抗、谐振电感比例值与品质因数得到转移函数,以及利用适当的谐振电路的设计与切换频率的调变的方式达到输出电压稳定,并且令功率开关具有零电压切换之功用,以降低功率开关的切换损失。

Gear box ; frequency response function ; impulse excitation ; dynamic behaviour

减速器;频率响应函数;脉冲激振;动态特性

For narrow-band signals, three uniform linear arrays, whose grating lobes are not overlapped by setting the angles between the arrays and the same pointing of main-lobes, are used and then multiplication of three patterns is operated to reduce the grating lobes of large-spaced array, which makes the array operate in broad band. For wideband or ultra-wideband signals, array pattern in the whole frequecy band is identical by designing the frequency-dependent weighting coefficients based on the Bessel function, and therefore grating lobes in high frequency parts are suppressed.

对于窄带接收信号,利用三个相交的大间距均匀线阵,通过设置它们之间的角度和主瓣指向相同使各自的栅瓣位置错开,然后把三个方向图相乘从而抑制大间距阵列栅瓣,因而适用于宽频带工作;对于宽带接收信号,利用Bessel函数设计与频率有关的加权系数,产生整个信号带宽内恒定的方向图,从而抑制了高频部分的栅瓣。

Then the model is used to analyze the filter characteristics in the frequency wavenumber domain and the spatial-temporal domain.

分析了300km高度3维传输函数在频率波数域的特性,并以近地面单位脉冲点源为激发源,得到了内重力波在3维空间中的时空分布。

In one where the modulating signal is applied across a varactor to vary the oscillator frequency , the deviation produced is a function of the modulating signal amplitude only.

在直接FM调制器中(也就是,调制信号加到变容二极管上来改变振荡频率),产生的频偏只是调制信号幅度的函数。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。