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- characteristic line spectrum 标识线状光谱
- This paper uses the characteristic line method to get the flute. 论文提出了由砂轮特征线求取刀具螺旋槽的方法。
- Extracting line spectrum from ship-radiated noise is a key technique for identification of underwater targets in passive sonar system. 线谱是水中目标辐射噪声中重要的特征信息,在被动声呐系统中,线谱提取是水中目标识别的关键技术。
- 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。
- These are two families of straight line, known as the characteristic lines. 这是两族直线，叫做特征线。
- In this thesis, the scramjet nozzle has been designed and optimized by the method of characteristic line. 本文应用简易特征线方法对超燃冲压发动机尾喷管进行了优化设计。
- The proposed NTTALE has the ability to handle undersea ambient noise twice, to enhance the UMT radiated line spectrum feature twice, and to track well time-varying signals. 用水下某目标辐射线谱的实测数据，对该增强器的性能进行了仿真研究。
- A semi-fragile speech watermarking algorithm based on speech model is researched, which is realized by quantization of line spectrum pair (LSP) parameters. 在语音产生模型的基础上研究了一种基于该模型的半脆弱性数字水印算法，通过对语音信号的线谱对(LSP)参数嵌入水印信息来实现。
- The scramjet supersonic combustor and its test facility have been designed by enthalpy method and characteristic line method. 采用热焓法、特征线法等进行了超音燃烧室试验器的计 算和设计工作。
- Based on the logarithmic spiral failure surface and combined with the characteristic line throry,a new computational method is proposed and procedure is prepared. 考虑对数螺旋线的破坏面并结合特征线理论,提出了一种新的浅埋条形板极限上拔力的计算方法并编制了程序。
- Based on the reflective theory of characteristic line,a model of shock waves formed by repeatedly reflected pressure waves between piston and fixed wall was established. 基于特征线理论推导了特征线经固壁与活塞多次反射后激波形成模型,设计了计算流程图及给出了应用算例。
- Of the gas. Since different gas has different set of lines, we can tell which kind of gas it is by analyzing the line spectrum. 不同的气体会产生不同的线条,就如人类的指纹,只要分析光谱上的吸收线,便可以知道光波曾经通过的气体成分。
- By DEMON we can get more and stabler line spectrum information than by LOFAR, which is to make power spectrum analysis of signal directly. Several demodulation methods are introduced and compared. 通过包络解调技术可获得轴频等调制信息,这就是常用的DEMON谱分析方法。
- Dynamic modulated envelops were analyzed by dimensional spectrum and modulated line spectrums achieved. 然后，利用小波变换求其功率谱从而得到辐射噪声的调制包络；
- He drew a line on the chart; The substance produced characteristic lines on the spectroscope. 他在图上画了一条线。
- The other one, which is a new method of face gear digital simulation called the characteristic line method, predigests the Boolean calculation, and constructs the system of simulation using FORTRAN. 另一种为基于特征线的直接数值仿真，通过简化面齿轮仿真加工中的布尔运算，采用FORTRAN语言编制仿真程序。
- Some sources emit only certain wavelengths and produce an emission spectrum of Bright lines with dark spaces Between. Such line spectra are characteristic of the elements that emit the radiation. 有些光源只发射某些波长,产生的光谱是一些亮线,亮线之间则是黑的。这样的线状光谱是发射这些辐射的元素的特征。
- On the basis of the characteristic line equations,numerical simulation is carried out to compute waterhammer of the pipe-pump system in the Yumenkou industrial water supply project. 该研究以特征线法为理论基础,采用电算法对禹门口供水工程管泵系统的水锤进行了计算机数值模拟,为该工程的优化设计及安全运行提供必要的技术支持。
- A detection method Of DEMON signal line spectrum 一种DEMON信号线谱识别方法
- line spectrum feature extraction 线谱特征提取
