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gfd
- Surface profile measurement by noncontact optical methods has been extensively studied because of its importance in automated manufacturing, component quality control, medicine, and robotics. In most of these methods a known periodic pattern,
BasedonCPLDFPGAsuchasthefrequencyaccuracyofthedesi
- 基于CPLD／FPGA的可编程逻辑器件，借助单片机AT89C51；利用标准频率50～100MHz的周期信号实现系统计数的等精度测量技术。同时采用闸门测量技术完成脉宽,占空比的测量。-Based on CPLD/FPGA programmable logic devices, with single-chip microcomputer AT89C51 using a standard 50 ~ 100MHz frequency of the periodic signal, such as c
suijixinhao
- 给定一个音频范围内的模拟强噪声随机信号（强噪声+周期信号），将信号从强噪声中提取出来，并计算原信号及提取信号的均值、平均功率、方差、频谱及功率谱密度、互相关等 并附带图形-Given within the scope of an audio simulation of strong noise random signal (noise+ periodic signal), the signal from strong noise in the extracted and calculated s
FASHENGQI
- 函数信号发生器根据用途不同，有产生三种或多种波形的函数发生器，其电路中使用的器件可以是分离器件，也可以是集成器件，产生方波、正弦波、三角波的方案有多种，如先产生正弦波，根据周期性的非正弦波与正弦波所呈的某种确定的函数关系，再通过整形电路将正弦波转化为方波，经过积分电路后将其变为三角波。-Function Generator according to different purposes, there have three or more of the waveform function g
Periodic-table
- The periodic table which helps to determines the classification of elements.
Characteriationofanexperimentalstrangeattractorbyp
- 讨论了具有周期轨道的奇怪吸引子实验的特性，好文章！-Characteriation of an experimental strange attractor by periodic orbits
lq
- 利用MATLAB强大的图形处理功能，符号运算功能和数值计算功能，实现连续时间非周期信号频域分析的仿真波形； 1、用MATLAB实现典型非周期信号的频域分析； 2、用MATLAB实现信号的幅度调制； 3、用MATLAB实现信号傅立叶变换性质的仿真波形； -The use of MATLAB powerful graphics processing capabilities, symbolic computing and numerical computing capabilitie
sssss
- Blind Estimation of signal in Periodic Long-Code DSSS Communications
performanceimprovementwithpredictivechannelselecti
- 基于信道的历史信息来预测不同信道的未来可用时间可以帮助CR选择一个最佳信道进行信息传递。不同的预测准则应用到周期或是随机的开关模式中。一个CR可以学习以往不同信道的模式。我们提出一个简单的分类和学习方法去检测模式的类型和收集需要的信息用于智能信道的选择。MATLAB仿真结果显示提出的方案在随机信道的随机和周期模式中都有优越的表现。随着时间的变化，新到的切换次数减少到55 ，并且延迟时间也相应减少，而吞吐量却在提高。-Prediction of future availability times
Jitter-and-clock-recovery-for-periodic-traffic-in
- Jitter and clock recovery for periodic traffic in broadband packet networks
tdm_over_IP
- white paper on Jitter and clock recovery for periodic traffic in broadband packet networks
Photonic-Crystal-Fibers
- 光子晶体光纤的资料，希望对你有所帮助，为外文。-Microstructured optical fibers, nonlinear optics, periodic structures, photonic band gaps (PBGs), photonic-crystal fibers (PCFs), waveguides.
oscillatian
- 新型无LC 元件脉冲振荡电路的设计，只用两个同极性的晶体管，设计成一个两端负阻电路，无须外加任何储能用的电感、电容等 元件，其自身就能产生三角形脉冲波形，并能稳定地产生周期性的持续脉冲振荡。-New non-LC component pulse oscillation circuit design, only two of the same polarity of the transistor, designed as a two-terminal negative resistance c
crunch3d.t3d.tar
- three-dimensional periodic compressible magnetohydrodynamics
chaos
- 研究了具有滞后非线性的汽车悬架在路面拟周期激励作用下发生受迫振动时的混沌运动。首先用melnikov方法给出了发生混沌运动的临界条件，然后研究了非线性阻尼力中的各系数对混沌的影响，最后通过Poincare截面及Li指数揭示出在此系统中存在着从拟周期运动通向混沌运动的可能性-Studied with a lag in road vehicle suspension nonlinear excitation of quasi-periodic forced vibration under the a
TEM
- 晚期瞬变电磁信号是大参数、 多频率、 且各频率分量未知的电磁信号， 特别在晚期还是强噪声背景下的微弱信号． 随机共振系统可以在极限信噪比的情况下提取微弱信号， 但仅适用于小参数、 单一频率或频率已知的高频信号的情况． 为此， 本文提出一种基于尺度变换的随机共振算法用于检测晚期瞬变电磁信号， 该方法充分利用了随机共振检测弱信号的优势， 通过引入尺度变换， 消除了随机共振系统对待测信号频率的限制， 在绝热近似理论下，实现了从强噪声中提取出微弱晚期瞬变电磁目标信号．-Transient Electro
Periodic-table-Modified-1--2--2012
- Modern Periodic table program ...which search data from dat file n show it on the screen
Remarks on the Periodic Orbits of the Riccati Equation
- Analytical solution for the Algebraic Riccati Equation.
Periodic
- 自己想出的周期波形函数，用于信号分析，模拟。给出了数学解析式，将信号数学化(I think of the periodic waveform function, for signal analysis, simulation. The mathematical analytic formula is given and the signal is mathematically transformed)
Applying Periodic Boundary Conditions in Finite Element Analysis
- Periodic boundary conditions (PBC) are a set of boundary conditions that can be used to simulate a large system (i.e. bulk material) simply by modeling a finite Representive Volume Element (RVE). PBC has been favored among many researchers and practi