frequency function的例句大全

Taking the short pulse as an ideal delta function on time scale, we find that the radiation field pattern is just of the "pure" waveguide modes if the resonance frequency equals as integral times as radio frequency.

将短脉冲理想化为时间上的δ函数，可以发现当辐射频率正好等于用来调制电子束的射频的整数倍时，辐射模式表现为纯的波导本征模，此时辐射功率最强。

Fourier transform plays an important role in spherical harmonic function, at the same time it also restricts the development of spherical harmonic function in the frequency domain.

在频率域中傅立叶变换对球谐函数起着重要作用，同时傅立叶变换也制约着球谐函数在频率域的进一步发展。

TDOA-FDOA estimation with conjugate ambiguity function Joint signal carrier frequency and 2D DOA estimation method based on space-time processing

基于共轭模糊函数的时差-频差联合估计方法基于时空处理的频率与二维DOA联合估计算法

A design method was proposed for designing micro-mass sensors with specific high order resonance frequency. Accordingly, a mass sensor operating at the third-order resonance frequency was designed, whose third resonance mode can be excited easily to fulfill the mass detection function.

基于该方法设计了一种基于三阶谐振频率的微质量传感器，使传感器检测时很容易激励起第三阶模态，从而可实现基于第三阶频率变化的质量检测。

an ideal excitation source would have an impulse function with frequency spectrum extends from zero to infinity and a constant amplitude.

理想激励源脉冲函数的频谱从零扩展到无穷大且有着恒定的幅值。

this method belongs to maximum likelihood class estimation series, and is based on the rational fraction model of continuous time domain frequency response function. forsythe orthogonal polynomial is utilized to improve the numerical condition.

该方法基于连续时间域的频率响应函数有理分式模型，利用Forsythe正交多项式改善求解性态，属频域的极大似然类估计方法。

closed-loop gain shaping algorithm constructs a robust controller by the four engineering parameters of the largest singular value, bandwidth frequency, peak value and slope of high frequency asymptote according to the desired shape of sensitivity function and closed-loop frequency spectrum.

闭环增益成形算法根据闭环频谱及灵敏度函数所希望的形状，用最大奇异值、带宽频率、频谱峰值和高频渐近线斜率4个具有工程意义的参数构造出鲁棒控制器。

in the part of experimental model analysis, the spectrum analyzer is used to measure function diagram of overall frequency response;

在实验模态测试部分，本研究使用频谱分析仪，量测出整机之频率响应函数图形，求解工具机整机结构之动态分析；

modal identification with frequency response function based on rational fraction orthogonal polynomials

有理分式正交多项式频响函数模态参数识别

study of dfh frequency transition function based on the principle of affine cipher

基于仿射密码原理的差分跳频频率转移函数研究

exact wave function of a quantum oscillator with time-dependent frequency and driving

具有时间依赖的频率和驱动的一个量子振子的精确波函数

it was argued that the level of flight illusion was a function of frequency and types of flight illusion in the following formula: which the authors regarded as a fundamental model for evaluating the level of flight illusion.

同时我们认为，飞行错觉水平是频率与类型的函数，其数学表达式为：，并将这一表达式作为评定飞行员飞行错觉水平的基本模型。

study on the influence of basic frequency of vehicle body affected by outfit mass based on r. l. function

基于瑞雷函数的整备质量对车体基频影响的研究

based on the encryption principle of affine cipher, a frequency transition function of dfh is designed.

基于仿射密码的加密原理，构造了一种差分跳频的频转移函数。

improve the function of gzf type high frequency and librate bag filter with opposite inhale cleaning dust

GZF型高频振动反吸清灰袋式除尘器的性能改进

some useful formulas are derived to arrive at the difference between the frequency spectrum of finite duration impulse and that of the δ-function or semi-sine impulse. with them the frequency range and error of calibration can be assessed.

文中推导了时限脉冲视作δ脉冲及半正弦波所引入频谱误差的公式，并用以确定可校准的频率范围及由激励频谱所引入的校准误差。

chronic electric stimulation using physiologic frequency may recruit motor units of atrophic diaphragmatic muscle, enhance the function of various types of muscle fibers, and maintain relatively normal percentages of various types of muscle fibers.

慢性生理频率电刺激可以使萎缩的膈肌运动单位重新募集，各类型纤维功能增强，同时保持了肌纤维比例的相对正常。

in frequency domain, spectrum expression of lift force is put forward via fitting the experimental data with probability density function of weibull distribution. the maximal vibration displacement of the oscillating cylinder can be deduced by using the spectrum expression of lift force.

在频域分析中，本文在分析管道振动实验结果的基础上，用威布尔分布概率密度函数拟合实测数据，得到振荡圆柱体涡激升力的频谱表达式，并用该表达式求解振荡圆柱体的动力响应。

numerical simulation shows an accurate prediction in the variation of the frequency and the pressure amplitude as a function of the mean flow velocity.

数值模拟准确预测了振荡频率以及压力振幅随时均流速的发展规律。

based on the idea of soc ( system on a chip), this receiver merges some function modules in a fpga, such as digital downconverter, digital matched filter, digital dispreading and demodulation, demodulation and auto frequency control.

基于片上系统的设计思想，该接收机整合了数字下变频器、数字匹配滤波器、数字解调解扩、自动频率控制等功能模块。