查询词典 spectrum

Spread spectrum communication is an important development direction of communication field.

扩频通信是通信领域的一个重要发展方向。

Discrete fast Fourier transform has been widely applied to signal spectral analysis and can figure out the entire bandwidth spectrum of a signal.

离散快速傅里叶变换算法在频谱分析中得到了广泛的应用，这种算法得到的计算结果是在整个频段上的频谱信息。

Displacement curve of fringe center was drawn and the spectrum of the displacement was analyzed with Discrete Fourier Transform.

文章绘制了干涉条纹位移曲线并对其进行了离散傅里叶变换，给出了所测振动的频谱特性。

The close-form expression of average spectrum efficiency is deduced with considering a discrete finite set of candidate constellation sizes for practical system.

系统平均频谱效率数学表达式的推导考虑了可选调制方式有限的特性，更符合实际。

Discrete spectrum analysis technique and the system of dynamic signal analysis.

离散频谱分析技术及动态信号分析系统。

In Chapter 4,we deal with the problem of the discrete spectrum for the singulardifferential operators with left definite type.

第四章 讨论左定型奇异微分算子谱的离散性问题。

Effects of the time-scale truncation and errors of experimental data on the discrete relaxation spectrum are presented.

数值计算结果表明用这种新算法得到的离散松驰谱更有效可信。

These papers are the classic,they use discrete spectrum to estimate the phase difference.

详细说明：这几篇论文都是非常经典的有关离散频谱来估计相位差的。

The error analysis and correct method of discrete spectrum.

离散频谱误差分析与校正方法。

Simulation calculation demonstrates that it can correct the frequency for the single or the multi-frequency components in the discrete spectrum.

由于实际工程中的许多信号包含密集频率成分，对这类信号的识别和校正方

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。