Horses live in a monochrome world .light visible to human eyes however occupies only a very narrow band in the whole electromagnetic spectrum.
然而,人眼可见的光在整个光谱中只占一个非常狭窄的频段。
Adopting this technique, the spectrum quality of modulated noise may be approached to the fullest extent of the directly amplified narrow white noise.
采用该技术使调制后的窄带噪声谱质量在最大程度上逼近直放式窄带白噪声。
Glacier has a narrow spectrum on TM5, 7 bands, but moraine and snow and ice are different in evidence, therefore, TM5, 7 are advantageous bands for extracting glacier information.
冰川在TM 5、7波段光谱值范围窄,且冰碛与冰雪有明显的光谱差异,是冰川信息提取的有利波段。
For RFI and narrowband noise interferences, this dissertation studies notch filter and spectrum equilibrium and USES them to suppress narrow jammings in signal domain.
对于RFI和窄带噪声干扰,本文研究了频域陷波和谱均衡两种方法,并将之应用到信号域来抑制窄带干扰。
Hyperspectral remote sensing refers to use very narrow and continuous spectrum of remote sensing image features continuous channel of technology.
高光谱遥感是指利用很窄而连续的光谱通道对地物遥感成像的技术。
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。
The absorption curve on VS-spectrum of the former was flat and broad, while the latter was sharp and narrow and gave a bright blue shade.
前者可见光谱宽而平坦,而三啮结构的甲-铜络合物的吸收曲线则相对较窄而尖锐,色光较明亮。
Result characteristics of wave diagram, voice broad band spectrum, as well as the voice narrow band spectrum at the edit points were found.
结果找到剪辑点痕迹特征在时域波形图、宽带语谱图、窄带语谱图上的反映。
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。
The new setup is upgraded to function for a relatively broad spectrum of light, whereas previous models had very narrow operational regimes.
新的设计可以使隐身衣在相对更宽的光谱范围内使用,但是以前的隐身衣的可操作性光谱范围非常狭窄。
The experiments show that it can be used to filter a narrow bandwidth laser light to obtain a narrower output spectrum.
初步实验表明,用它对窄带的光源进行滤波,可以获得线宽更窄的光谱。
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。
The frequency pseudocolor-coded speech spectrogram is then obtained by means of a sampling narrow slit placed at Fourier plane in white-light optical spectrum analyzer.
然后在白光光学频谱分析系统中,利用放置在傅里叶频谱面上的取样狭缝得到按频率假彩色编码的频谱图。
The pulse amplitude of narrow band operating approaches to that of broadband operating, it means that, the energy loss caused by narrowing spectrum is only a few.
窄带运转的脉冲幅度接近宽带运转,这意味着由于谱线压窄引起的能量损耗不大。
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 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。
In the presence of narrow-band interference (NBI), the performance of direct spread-spectrum systems (DSSS) can be improved by using various interference rejection filters.
在存在窄带干扰时,扩频通信系统的性能可以通过使用各种不同的抗干扰滤波器来进一步提高。
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。
The aerosol particle spectrum is consisted of some dispersed phases of small size particle whose distribution is narrow and is hazardous for inhalation.
气溶胶粒度的谱型是由小粒子占优势的分布较窄的多分散相;
A method based on phase correction is proposed to enhance the performance of suppressing narrow-band interference of base-band direct sequence spread spectrum (DSSS) receiver.
为提高基带直扩接收机的抗窄带干扰能力,提出了一种相位校正方法。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化,而采用宽带扩频调制则可极大改善系统的性能。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化,而采用宽带扩频调制则可极大改善系统的性能。
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