spectrum的例句大全

This paper presents the pulse signal spectrum bandwidth using Romberg numerical integration algorithm under a certain energy wastage required. A reconstruction signal is obtained by Fourier Series, and the optimum bandwidth of the measurement system is also presented.

本文用Romberg数值积分法计算出在一定能量损耗限值要求下的脉冲信号频谱宽度，并用付氏级数对其进行了信号重构验证，据此得出了脉冲信号测试系统带宽的最佳值。

A combined error calibration technique with experiment for frequency-space spectrum estimation

空间频谱估计中的误差综合矫正技术及其实验研究

A Method for Improving AR Spectrum Estimation by Dividing Frequency Band

一种改善AR谱估计性能的分频段方法

Carrier dyeing is one of the most popular process for pure polyester and its blended fabric dyeing. Qualitative analysis of 23 types of carriers containing organo chloride can be carried out by chromatographic fractionation and mass spectrum, and be quantified by GC MS analytical technology.

载体染色工艺是聚酯纤维纯纺及混纺产品常用的染色工艺，采用色谱分离、质谱定性检测和按色谱图定量的GC MS分析技术可以检测23种含氯有机载体。

Spread spectrum code assignment algorithm of TD-SCDMA for varying service

针对业务变化的TD-SCDMA信道码分配算法探讨

Electromagnetic Spectrum Characteristics of Ion Channel Electron Cyclotron Maser

离子通道电子回旋脉泽频谱特性

Currently most satellite navigation systems utilize the spread spectrum communication technology to transmit navigation information, and the commonly-used PRN ranging code is the balanced Gold code.

目前的卫星导航定位系统大多采用扩频通信技术来传输导航信息，常用的伪随机码是平衡Gold码。

Impedance spectrum characteristics of carbon steel with complexly modified film formed by titanate and PVC

碳钢表面钛酸酯及其与PVC复合修饰膜的阻抗谱特征

The target displacement of a structure can be predicted by capacity spectrum method, where the demand curves are often constructed by elastic-plastic response spectra.

能力谱法可以用来估计结构的目标位移，在该方法中弹塑性反应谱常用于需求曲线的建立。

Fungal infections usually develop after broad-spectrum antibiotics have had time to reduce the competing bacterial flora.

真菌感染常发生于长期应用广谱抗生素将其他竞争菌群抑制之后。

The spectrum of transport operator in inhomogeneous sphere with generalized reflection boundary condition

具广义反射边界条件的非均匀球介质迁移算子的谱

A Novel Quantum Confined State and PL Spectrum in Porous Silicon

多孔硅中的新量子限制态和PL光谱

On the basis of historical records of maintenance and operation, abnormal vibration of DH air compressor was analyzed using frequency spectrum analysis method. It was found that the rust was washed off from interstage cooler into the flow passage of impeller to cause imbalance.

结合历次检修及运行记录，利用频谱分析方法对DH型空气压缩机的异常振动进行分析，判定出产生振动异常的原因为级间冷却器的锈蚀物冲刷至叶轮流道上造成不平衡。

Research on Application of Low/ Zero Correlation Zone Sequence Pairs in Spread Spectrum Communication System

低/零相关区序列偶应用于扩频通信系统的研究

When the values measured by the infrared spectrum are compared with the results of chemical analysis, it is found that both of them are in normal correlation, and the errors are confined in allowable range.

用红外光谱测定的值与化学分析结果相比，两者是正相关关系，误差在允许的范围内。

Correlative study on the change of blood flow spectrum of hepatic vein and the degree of fatty liver

不同程度脂肪肝的肝静脉血流频谱变化

Cortical inhibition is reduced in chronic and episodic migraine and demonstrates a spectrum of illness

慢性和发作性偏头痛患者的皮质抑制减少和所表示的疾病谱

Doppler dispersion estimation algorithms based on LTE is studied. The maximum Doppler shift estimation method through Doppler power spectrum is simulated by computer simulation. The algorithm performance is checked under Rayleigh and Rice channels.

以LTE系统为基础，深入研究高速移动场景下物理层多普勒频散估计算法，对通过计算机仿真检验基于多普勒功率谱的最大多普勒频偏估计方法在瑞利、莱斯信道下的性能。

A design of spread spectrum and ranging code in radio measurement and its control system are given in the paper.

本文给出了无线电测控系统中扩频和测距编码的设计方法。

Polyvinyl alcohol ( PVA) in the 8 ≤ pH ≤ 12 aqueous solution has the effect solubilizing the cupric hydroxide and making a red shift of its absorption spectrum. It was as a consequence of inclusion-forming substance composed of PVA with cupric hydroxide.

在8≤pH≤12水溶液中的PVA具有使初生态氢氧化铜增溶和吸收光谱红移的作用，这是它们形成包合物的结果。