narrow band spectrum的意思|示意

Methods By using narrow band spectrum analyses and computer we studied the parameters in 30 patients and 30 normal controls. Results The fundamental frequency and bass were lower in diseased group.

方法应用频谱仪和电子计算机对30例声带无明显病变的室带肥厚者和30例室带声带无明显病变的志愿者，测定基频、低音、音域和频率微扰百分值。

An automatic tracing centric wavelength demodulation system based on the edge filter which can measure the wavelength of the narrow-band back-reflected spectrum FBG is described.

介绍了一种基于边缘滤波器，可带中心波长自动跟踪，主要应用于海底水声信号的检测的光纤光栅波长解调器。

The spectrum of radiated noise from ships consists of a continuous broadband spectrum and a discrete narrow-band line-spectrum.

船舶辐射噪声的功率谱由连续的宽带谱和离散窄带线谱组成。

An adaptive method applying eigenvalue decomposition-based spectrum analysis technique to narrow-band digital communication interference suppression in radar is proposed and studied.

基于特征分解谱分析技术，提出并研究了在雷达中自适应抑制窄带数字通信信号干扰的方法。

A lot of complex functions, such as 1/3 octave analysis, sound power, tonality narrow band analysis, vibration spectrum, have been solved.

解决噪声1/3倍频程、声功率、音调窄带谱，振动频谱等复杂功能的在线分析与处理。

Computer simulations show that it is superior to the conventional approaches in most cases and thus is a good approach for narrow-band interference suppression in spread spectrum systems.

通过计算机仿真可以看出，在多数情况下它比传统方法的性能优越，这表明它是一种对于扩频系统中窄带干扰的抑制的好方法。