spectrum range的例句大全

The free spectrum range of the filter is 24 nm. The quality factor and FWHM of the filter are 3200 and 0.45 nm respectively.

这种器件的自由光谱范围是24nm，品质因子为3200，半极大全宽度为0.45nm。

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Through the low-noise amplifier designed, the spectrum and time figure of the transistor noise at low frequency ( 100mHz~ 1.65Hz) was measured, besides that, the scale invariant range and fractal dimension are calculated with several methods.

利用设计的低噪声放大器，测量出晶体管低频段（100mHz&1.65Hz）噪声的功率谱及时间波形，找出了其无标度区间，并用多种方法计算了分形维。

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It is found that the spectrum has the chaotic features in time domain-long range independence and aperiodicity.

通过频谱分析，发现载荷谱具有混沌信号在时域上的特征&长程不相关性及非周期性。

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This paper proposes a weighted feature reduction method based on Fisher' discriminant ratio ( FDR) for a time-shift invariant feature, power spectrum, in radar automatic target recognition using the high-resolution range profile ( HRRP).

针对雷达高分辨距离像的平移不变特征&功率谱特征，提出了一种基于Fisher判决率的加权特征压缩方法。

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The result indicates that a dynamic spectrum contains rich information about time-variation, frequency spectrum structure and dynamic range of friction-induced noises.

结果表明，动态谱图能充分反映摩擦噪声的时变性、频谱结构和动态范围。

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We use variable-thermal IR spectrum, variable-thermal powder X-ray diffractogram and acid-base titration curve to approach the decomposition temperature of the coordination compounds and their pH range of stability in water solution.

利用变温IR光谱、变温X&射线粉末衍射图和酸碱滴定曲线，对配合物的分解温度以及在水溶液中稳定存在的pH值范围进行了初步探讨。

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This paper is mainly about land clutter and sea clutter. It meanly introduced scatter character, radar echo signal range, and power spectrum model. In the end, a hardware realization of producing a specified power spectrum is given.

本文主要研究了地、海杂波的散射特性、回波幅度特性和频谱分布模型，并且给出了一种硬件实现产生具有一定频谱特性的杂波的方案。

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The researchers the range of images reveals a spectrum of symbolic thought dating back to early in the history of human colonization of the hemisphere.

研究人员称，这些图像的存在范围揭示了人类在该半球早期殖民统治的象征性思维。

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With high precision, wide dynamic range, small size and low power consumption, silicon resonant accelerometer ( SRA) potentially earns a wide application spectrum in the military, civil fields. SRA has become a hot research topic for MEMS inertial sensors.

硅微谐振式加速度计（Silicon Resonant Accelerometer，简称SRA）以其高精度、宽动态范围、低功耗和小尺寸等特点，广泛应用于军事及民用等领域，成为MEMS惯性传感器的研究热点之一。

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traditional chinese medicine irrigations contain a variety of ingredients. because of their wide range of antimicrobial spectrum, great anti-bacterial properties and few side effects, scholars have paid more and more attention to them.

中药冲洗剂含多种成分，其抗菌谱广，杀菌作用强、毒副作用小，日益受到广大学者的重视。

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The ultraviolet radiation locates in the spectral range from 10~ 400nm of electromagnetic spectrum.

紫外辐射在电磁辐射波谱中的波长范围为400～10nm。

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Nonstationarity analysis of line spectrum and range estimation by spectrum interference

线谱非平稳性分析和利用干涉谱测距

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The product spectrum was defined as the product of the power spectrum and the group delay, this feature combined the information contained in the magnitude spectrum and the phase spectrum of the range profiles and carried more information about the shape of the aircrafts.

积谱定义为功率谱与群延迟的乘积，该特征能够充分利用目标一维距离像的幅度谱与相位谱信息。

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Frequency spectrum analysis of sound radiation from a range hood fan is combined with auditory feature for abnormal sound fault diagnosis of a range hood.

对油烟机风机辐射噪声进行频域特征分析、结合人工听觉判断油烟机异音故障。

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Computer stereo vision technique can be mainly described as two images combination, Moire contouring, Fourier transform profilometry, phase measuring profilometry, active triangulation, range form focus, time of flight and spectrum project method.

计算机立体视觉技术主要有双像合成法、莫尔条纹法、傅立叶变换轮廓法、位相测量法、三角测距法、聚焦法、飞行时间法和光谱法。

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The broad spectrum of properties covered covered by the extensive HQP product range offer users the basis for success in a wide variety of applications.

丽彩仕广泛的产品结构覆盖了广谱的性能，可成功地以多种工艺应用。

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In this study, α 2F(ω) is taken as the double delta-function spectrum and the spectrum parameters are permited to change over a wide range.

在这个研究中，a~2F（ω）被取为双δ函数谱，并允许其中的谱参数可以在很宽范围内改变。

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In the range of 0.05~ 17kGy, for alanine specimens irradiated with ten different doses, the linear correlation coefficient between the main peak amplitude h of the ESR spectrum and the corresponding dose D was greater than 0.999.

在0.05～1k7Gy的范围内，对于以十种不同剂量辐照的丙氨酸样品，ESR波谱主峰幅度h与相应的剂量D之间的线性相关系数大于0.999。

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The results demonstrated that in the range from room temperature to 90 ℃, there was a critical temperature, below which a three time constant impedance spectrum was observed and above which a two time constant spectrum was shown.

结果表明：在低于90℃的范围内，存在一个谱图转变临界温度，临界温度之下为三个时间常数型谱图，临界温度之上为两个时间常数型谱图。

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For carrier and bit synchronization, realize those using relative ways. 4. Based on the digital part of the system, test the spectrum-spread receiver at IF, under the condition of large dynamic range, verify the pseudo-code synchronization, carrier synchronization and bit synchronization.

基于弹载测控系统的数字部分，对扩频数字接收机进行中频联试，通过联试结果验证了大动态下伪码同步、载波同步、位同步实现的正确性。

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