查询词典 interference spectrum

Figure 3-5 shows the general frequency spectrum of these interference sources in comparison with other noise signals such as 1/f and thermal noise.

图3-5示出这些干扰源的一般频谱情况，并与诸如1/f噪声和热噪声等的噪声信号进行比较。

By using a multilayer interference filter, the spectrum of visible light can be cut finely enough to separate these wavelengths.

通过一个多层干涉滤镜，可见光谱可以被分割得足够细，分离出这些特定的光。

But there is serious MAI problems in traditional CDMA communication system,and this papers will analysis and research the multiple access technology,at the same time, focus on the analysis of direct sequence spread spectrum CDMA interference suppression technology and on the basis of this analysis, the multi-user detection method based on independent component will be discussed.

但传统CDMA通信系统内存在严重的多址干扰问题，论文在对各种多址技术进行分析的同时，着重对直接序列扩频码分多址干扰抑制技术进行了分析，并在此基础上对基于独立分量分析的盲多用户检测方法进行了的探讨。

Moreover,the pretreatment of various kinds of materials,spectrum interference factors and eliminating methods were discussed.

文章对原子吸收光谱仪在电池工业材料分析与测试中的实际应用进行了综述。1原子吸收光谱仪的基本原理、分析方法、材料溶解与测定条件1.1基本原理文章以日本岛津公司A A-670型原子吸收光谱仪和美国热电公司5M型原子吸收光谱仪为分析用仪器。

An anti-jamming algorithm for narrow-band interference in direct sequence spread spectrum systems ,which is based on the adaptive IIR notch filtering is introduced.

介绍了一种直接扩频系统中抗窄带干扰的自适应IIR陷波滤波算法。

The online normalization of the interference spectrum in frequency domain is implemented with Hilbert transform.

通过Hilbert变换来实现频率域干涉光谱信号的在线归一化，使归一化过程不受光源光谱形状以及谱峰位置变化的影响。

The simulation results show that the new scheme has superior performances of detection and resistance to same frequency interference compared with the conventional spectrum sensing methods.

仿真结果表明，相比传统的ED法和2阶循环统计量检测法，该方法具有良好的检测性能和抗同频干扰性能。关键词频谱感知；认知无线电；高阶循环统计量

For instance, we may wish to monitor their transmissions in order to implement signal confirmation, interference identification and spectrum management.

例如监视民用通信信号，以实现干扰识别和电磁谱管理。

The purpose of this thesis is not only to overcome multipath interference by spread spectrum but also to improve the performance of the system by employing RAKE receiver to recombine some multipath signals.

扩频技术特别是直接扩频技术也是对抗多径干扰的一种非常有效的技术，其中的RAKE接收技术不但能够抑制干扰；而且还能利用多径干扰的能量提高信噪比，极大的改善了系统的性能，并且扩频技术是现在唯一能工作在负信噪比条件下的通信技术，所以扩频技术在水声通信中的应用也越来越受到关注。

Direct sequence spread spectrum ; narrowband interference ; locally optimal detection ; maximum entropy ; probability density function

直接序列扩频；窄带干扰；局部最优检测；最大熵；概率密度函数

The second is to cut a mere 100 calories from your diet , which is the equivalent of a tablespoon of butter.

第二个就是从你的饮食中减少一百卡路里，只是相当于一大汤匙的黄油。

This is where the Rorschach test comes in.

现在，罗氏测试就出现了。