频谱

The absolute summability of autocorrelation sequence imposes only the continuity constraint on the power spectrum.

另外，绝对可加性自相关数列之假设只是意指在频谱中必须连续。

Howard Pattee, an early cybernetician, defined hierarchical structure as a spectrum of connectance.

早期控制论专家霍华德·派蒂将层次结构定义为个连接性频谱。

The paper has introduced a kind of distortion factor analyser for sinusoidalsignal based on virtual instrument technology.

频谱分析法是目前信号失真度常用方法,但谐波分析频谱泄露问题会严重影响度。

The feature of optical fiber transmission system and its effect on the solar radio heliograph are analyzed in this article.

摘要分析了光纤传输系统特性，及其对太阳射电频谱日像仪影响。

Use the Frequency Spectrum (FFT) display to measure the approximate value of the fundamental frequency of the wire on the Sonometer.

用频谱（FFT）显示振动频率计上金属丝基频近似值。

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探需要,通常采用纳秒到十纳秒级电磁探窄脉冲,信号频谱具有从直流低频直到千兆赫兹宽带。

This paper presents a new frequency domain deghosting method on the basis of analyzing both the ghost formation mechanism and its filter spectrum characteristics.

在分析了虚反射形成机制及其滤波器频谱特性基础上,提出了种在频率域剔除地震鬼波新方法。

The MDUPC only needs the local information to coordinate intercell interference and achieves the best tradeoff between the fairness of users and the spectral efficiency.

该算法中每个小区只需本地信息就可以协调小区间干扰，实现了用户间公平性与频谱利用率最佳折中。

Texture unit and texture spectrum can get the difference of the microtexture and the macrotexture of this two regions effectively so as to detect the target.

而纹理单元及其函数纹理频谱则分别能有效地捕获这两个区域在微纹理及宏纹理上差异，从而检出弱目标。

In order to study laryngeal phonic function,the methods of acoustic evaluation and phonatory detection has become the focused problem by doctors in otorhinolaryngology and speech pathology.

电子计算机嗓音试及频谱分析已成为嗓音客观检查重要手段。其试参数为喉部疾病诊断、疗效评价主要指标。