从理论上分析了数值伪波产生的原因,要消除数值伪波可用滤波方法。
In this article spurious waves introduced in the computation of aeroacoustics are analyzed theoretically and filters are proposed to attenuate these waves as soon as they are generated.
有人可以在汇编语言写一个斐波那契码提供的伪代码?这涉及到栈?
Can somebody provide a pseudocode for writing a Fibonacci code in Assembly language? This involves stacks?
文章讨论了电磁波在电介性介质和导电介质中的传播特征和伪脉冲响应。
The authors have discussed propagation character and pseudo-impulse of EM wave in the lossy and dielectric media.
推导了用于非均匀各向异性弹性波场正演的伪谱法基本公式。
The basic formula of pseudo spectral method are derived for simulating inhomogeneous anisotropic elastic waves field.
本文以伪随机多频波在时间域上的表达式为基础,构建了产生伪随机多频波的二进制序列。
In this paper, the binary sequence is constructed based on the time domain expression of pseudo-random multi-frequency waveform.
了提高CT图像的清晰度,降低伪影对医生诊断的不利影响,文章提出了一种基于小波变换和软阈值法的CT图像伪影消除方法。
To improve the clarity of CT image, and reduce the disadvantageous affect of the artifact, the article proposes a method of reducing CT image artifact based on wavelet soft threshold.
伪谱法利用傅立叶变换和有限差分求解波动方程,是三维波场正演模拟的重要方法之一。
The pseudo-spectrum method uses Fourier transform and finite difference to solve wave equation. It is one of the important methods used to simulate the seismic wave field.
推演说明在弹性地层的井眼中,伪瑞利波不可能以横波速度传播,但其群速度与横波速度可以非常接近。
Theoretical deduction says that in a borehole penetrating elastic formations, pseudo Rayleigh wave does not take shear-wave velocity, but its group velocity may be very close to shear-wave velocity.
为提高伪随机码连续波(PRC - CW)雷达性能,讨论了近距离目标干扰抑制方法。
A method for suppressing the interference of close-in targets for pseudo random code continuous wave (PRC-CW) radar is discussed to improve the radar's performance.
图像的平移不变量小波去噪法是小波收缩阈值去噪法的改进,能够有效抑制小波阈值去噪过程中出现的伪吉布斯现象。
Translation invariant(TI)wavelet de-noising method is an improved method of wavelet thresholding shrinks; it can suppress Pseudo-Gibbs artifacts effectively.
伪随机三频波激电法能够计算三个幅频率和三个相对相位差,相对相位差能够很大程度上区分金属矿勘探中的碳质层。
The three breadth frequencies and three relative phase differences can be measured with the pseudo-random tripe-frequency IP method.
前波的表达受心率、呼吸、伪差及低频波等因素干扰。
The detection of Pre-P wave was affected by the heart rate, respiratory, artefact and low frequency waves.
前波的表达受心率、呼吸、伪差及低频波等因素干扰。
The detection of Pre-P wave was affected by the heart rate, respiratory, artefact and low frequency waves.
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