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- FATIGUE CRACK GROWTH CALCULATION OF THE THREE POINTS BENDING SPECIMEN UNDER PROGRAM BLOCK SPECTRUM,RAYLEIGH NARROW BAND SPECTRUM AND WIRSCHING BROAD BAND SPECTRUM 三点弯曲试样在程序块谱、Rayleigh窄带谱和Wirsching宽带谱下的疲劳裂纹扩展计算
- narrow band spectrum 窄带谱
- X-ray with narrow band spectrum 窄谱X射线
- 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。
- In this paper, a power spectrum of discontinuous narrow band white noise is analysed, and an expression of the power spectrum is obtained. 对间断窄带白噪声的功率谱进行了分析,得到其功率谱的表达式。
- Simulations show by this method we can precisely estimate time delay for narrow band and line spectrum source in low SNR. 通过计算仿真结果证明这种方法对低信噪比下窄带和单频信号具有较高时延估计精度。
- Firstly,the central wavelength of spectral window of narrow band filter was identified at 632.8 nm by analyzing the CO2 arc light spectrum distribution. 基于CO2焊焊接弧光的光谱分布特征;首先确定了窄带滤光窗口中心波长为632.;8nm。
- Compensation of Diffraction Effect in SAW Narrow Band Filters. 窄带SAW滤波器衍射效应补偿短句来源嗯,带了。
- A narrow band ceramic filter with capacitor network. 一种带电容网络的窄带陶瓷滤波器。
- Further Radio monitoring, Oscillation and Narrow band are offered. 另外,公司也提供关于无线电监控、振动和窄频带方面的服务。
- A jet stream is a narrow band of strong winds several kilometres above ground. 高空急流是距离地面数公里高的狭窄强风带。
- The narrow band of sapwood is very similar in colour to the heartwood. 边材的窄带颜色与心材非常相似。
- As an example of the applications of EPD method, the locking ability of various narrow band phase locked loops to each frequency component in the spectrum of an input signal is discussed, and some problems are clarified. 作为一个用例,本文讨论了各种窄带锁相环对输入信号中各频谱成分的锁定能力,澄清了一些问题。
- By developing the spV tight-binding model, we study the band spectrum feature of the cagelike structure such as carbon clusters, carbon nanotubes, BN nanotubes in this thesis. 本论文发展sp~3s~*紧束缚模型,着重研究笼状纳米结构如碳巴基球、碳纳米管、纳米氮化硼管的能谱特征。
- A narrow band or braid used as trimming and commonly made of lace,metallic thread,or embroidery. 镶边,装饰带一种用来装饰的狭窄带子或辫子,通常用花边、金银线或刺绣做成
- A modified approach base on raised cosine impulse cancellation is proposed, which could effectively reduce PAPR with minimum out of band spectrum regrowth. Simulation results were also provided. 提出了一种基于升余弦脉冲峰值抵消的改进方案,在降低系统峰平比的同时避免削波引入的频谱恶化,给出了理论分析及相应的仿真结果与结论。
- The US yield curve flattened as short-term interest rates rose while long-term rates traded within a narrow band. 由于短期利率上升,及长期利率在窄幅上落,美元收益率曲线变得平坦。
- Nothing can embellish a beautiful face more than a narrow band drawn over the brow. 除了一条横束额上的细带而外,没有别的东西能把美丽的面庞衬托得更好的了。
- The differences of ecosystem coupling relation characteristics in arid zone can be found by water-heat condition, land-scape band spectrum, microclimate effects and factitious activities, and so on. 干旱区生态系统耦合关系的特征差异表现在水热状况、景观带谱、小气候效应以及人为活动等方面。
- A narrow band or braid used as trimming and commonly made of lace, metallic thread, or embroidery. 镶边,装饰带一种用来装饰的狭窄带子或辫子,通常用花边、金银线或刺绣做成