查询词典 spectrum analysis

With the launching on the spectrum of wavelet, the harmonic wavelet is structured, which has strict box-like spectrum and simple function expression.

利用小波的频谱特性，构造了具有严格盒形谱特性及简单解析表达式的谐波小波，严格推导得到了基于FFT的二进谐波小波快速算法。

Harmonic Wavelet is newly proposed and becomes a new signal-processing tool. With the launching on the spectrum of wavelet, the harmonic wavelet is structured, which has strict box-like spectrum and simple function expression.

谐波小波是近年来发展起来的一种新的信号处理工具，它是一种具有严格的盒形频谱特性和简单的解析表达式的小波，由小波的频域上构造得到。

In this paper Laplace transforms is utilized in viscoelastic theory of polymers making the relations between various viscoelastic functions like relaxation modulus , creep compliance and functiqns representing dynamic behavior simple and clear, relaxation spectrum and retardation spectrum are defined in terms of Laplace transform to correlate all viscoelastic functions.

将拉普拉斯变换应用于聚合物粘弹性理论，使粘弹性材料的特性函数如松弛模量、蠕变柔量以及表示动态力学性能的函数之间的关系简单明了，并用拉氏变换定义松弛谱和推迟谱，将各粘弹函数相互联系起来。

Methods 181 patients with pelvic inflammatory disease were randomly divided into two groups,treatment group 93 patients in the basis of broad-spectrum antibiotic therapy was added Smilax capsule,the control group 88 patients with simply using broad-spectrum antibiotic therapy.

181例盆腔炎性疾病患者随机分为两组，治疗组93例在广谱抗菌药物治疗基础上加用金刚藤胶囊，对照组88例单纯用广谱抗菌药物治疗。

A method for protecting channel error code resistance ability of low speed vocoder includes applying improved Chinese plain code and BCH code to separately protect voice parameter in voiceless and voiced sound frames at coding end, using BCH code to recover relevant parameters of voiceless sound frame and using maximum post verification probability rule to recover parameter of voiceless sound accurately for voiced sound frame then using line spectrum to parameter anti-error code algorithm to recover line spectrum to parameter at decoding end.

该方法在编码端改变2.4kb/s SELP编码后清音帧清浊音参数的发送模式；采用BCH码和改进的(7，4)汉明码分别保护清音和浊音帧中的语音参数；在解码端，根据信源信道的联合特性采用分支判决确定清浊音；对于清音帧采用相应BCH码恢复出对应参数，对于浊音帧采用基于长时统计特性的最大后验概率准则恢复清浊音参数，并解码出线谱对参数第一级并对残留误码的线谱对参数采用线谱对参数抗误码算法恢复。

X-ray tube spectrum model;spectrum reconstruction;attenuation data

X射线球管光谱模型；光谱重建；衰减数据

Two new Raman spectral lines of I_2 in benzene solution are found in the experiment which is proved that resonance absorption Raman spectrum by liquid-core optical fiber much stronger than resonance absorption Raman spectrum by absorption tube.

发现了两条新的属于碘分子的拉曼谱线，这证明了使用液芯光纤方法获得的共振吸收拉曼光谱比吸收池方法获得的谱线强度强很多倍。

Therefore in restoring full spectrum love, the map carvers are succeeding at restoring the state necessary to go home to the Tao; as everything in the Tao is founded upon full spectrum love.

因此，当恢复了全谱的爱的时候，地图绘制者就正在成功地恢复那种回家到道中所需的必要状态；因为道中的一切都是基于全谱的爱而创造的。

Laser Raman spectral technique is an important section in modern laser spectral techniques. Laser Raman spectrum plays an important role on the aspects of analyzing molecular structure, symmetry properties of crystal, investigating solid structure phase-variation and the structure of IR spectrum of molecule. In recent years,it has been extensively applied in many research fields such as organic and inorganic analytical chemistry, biochemistry, petrochemical industry, macromolecule chemistry ,etc.

激光喇曼光谱技术是现代激光光谱技术中的一个重要组成部分，激光喇曼光谱对于确定分子结构和晶体的对称性、研究各种固体结构相变及红外光谱结构分析等方面具有重要作用，近些年来已经广泛地应用于有机和无机分析化学、生物化学、石油化工、高分子化学等领域。

In cellular and PCS systems, a grouping of physically proximate cells in which each cell uses a different subset of the total spectrum allocated for the wireless service, but the grouping or cluster of cells represents the total allocated spectrum.

蜂窝系统以及 PCS 系统中一组物理上紧邻的小区。在这个小区群集中，每一个小区使用的频谱是无线通信业务分配到的整个频谱中的一部份。但是小区组或群集却代表整个分配到的频谱。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。