搜索资源列表
-
0下载：
此为频偏校正程序,通过TD_GG算法得到的频偏值还存在几赫兹的残余频偏，这里，我们可以通过反馈算法进行校正，以得到更加精确的频偏值。-for this frequency offset correction procedure for the adoption of the algorithm TD_GG Frequency values still exist remnants of a few hertz frequency offset, here, we can pass feedbac
-
-
1下载：
用能量重心法，对基2分裂的FFT算法进行校正，在整周期采样的条件下，幅值，相位，频率等可以达到很高的精度
-energy center, two pairs of split-the FFT algorithm for correction, in the whole cycle of sampling conditions, the amplitude, phase, frequency, etc., may achieve high accuracy
-
-
0下载：
频偏校正估频算法的实现，Matlab函数。-Estimated frequency offset correction algorithm, Matlab function.
-
-
0下载：
scr ipt for performance measurements for Carrier and Sampling Frequency
Offset Correction in OFDM Systems
-
-
0下载：
Based on the spectrum of the vuvuzela sound, this denoising technique simply computes an antenuation map in the time-frequency domain. Then, the audio signal is restored by computing the inverse STFT. See [1] or [2] for more detail about the algorith
-
-
0下载：
利用函数建立非负矩形脉冲，然后利用频谱分析函数对该矩形脉冲进行频谱分析，并进行频率移位修正（利用FFTSHIFT），观察该脉冲频谱。-Use function to create a non-negative rectangular pulse, and then use the spectral analysis of the rectangular pulse function spectral analysis, and the frequency shift correction (us
-
-
0下载：
基于相位差法改变窗长的频谱校正程序，适用于单频率信号的校正-Phase method to change the window length based on the spectrum correction procedure for a single frequency signal correction
-
-
1下载：
一个典型闭环控制系统的组成是很复杂的。通常都由给定系统输入量的给定元件、产生偏差信号的比较元件、对偏差信号进行放大的放大元件、直接对被控对象起作用的执行元件、对系统进行补偿的校正元件及检测被控对象的测量元件等典型环节组成。而控制系统设计则是根据生产工艺的要求确定完成工作的必要的组成控制系统的环节，确定环节的参数、确定控制方式、对所设计的系统进行仿真、校正使其符合设计要求。同时根据生产工艺对系统的稳、快、准等具体指标选择合适的控制元件。自动控制原理的时域分析法，根轨迹法，频域分析法，以及各种补偿（
-
-
1下载：
本文主要是JTIDS的传输性能做了仔细的评估，并对其抗干扰做了一一的介绍。-The Joint Tactical Information Distribution System (JTIDS) provides jam-resistant digital communication of data and voice for command and control, relative positioning and identification. Many advanced technologi
-
-
2下载：
JTIDS是16号数据链的通道系统，本文主要是对在脉冲干扰的情况下16号链的波形性能分析！-The Link-16 is the tactical data link utilized by the Joint Tactical Information Distribution Syste (JTIDS). The JTIDS system is important due to its wide use by U.S. armed
forces, NATO, and other allie
-
-
1下载：
时移相位差校正法，通过时移，进行前后两次FFT分析，利用离散频谱对应峰值谱线的相位差以求出频率和相位校正量。-Phase difference correcting method by time-shifting. Make two FFT analysis before and after the time-shifting,and make use of the phase difference of the peak spectral lines to get frequency and
-
-
0下载：
能量重心频谱校正法加汉宁窗，利用离散窗谱函数的能量重心是坐标原点的原理，根据功率谱重心法则求出频率校正量，进而校正相位。-The energy center of gravity the spectrum correction with hanning window using a discrete window spectral function of the energy center of gravity is the principle of the origin of coordina
-
-
1下载：
基于多频（三频）的离散频谱校正，应用比值法，加矩形窗和汉宁窗。-Discrete spectrum correction based on the multi-frequency (C-band), the application of the ratio method, plus a rectangular window and Hanning window.
-
-
1下载：
基于多频（三频）的频谱校正（能量重心法），达到校正相位的目的，计算了方差，已经过调试。-Spectrum correction (energy centroid method) based on multi-frequency (C-band), to achieve the purpose of the correction phase, calculate the variance has been testing.
-
-
3下载：
基于多频（三频）的频谱校正（相位差法），达到校正相位的目的，已经过调试。-Based on multi-frequency (C-band) spectrum correction (phase difference method) to achieve the purpose of the correction phase, has been testing.
-
-
1下载：
提高风力机将风能转化为机械能的效率，根据我国西北地区的风频风能曲线，用最优设计攻角沿叶片轴线的非线性分布修正传统Wilson算法，优化设计大型水平轴风力机叶片的气动性
能．该优化设计利用Madab优化工具箱，优化速度干涉因子的迭代计算，提高计算效率；考虑多翼型和变攻角等因素对叶片外形优化的影响，从结构及加工工艺角度修正翼型．通过对1．2MW风力发电机组叶片外形的气动性能计算和优化设计，结果表明该优化设计的有效性和可行性，可为风力机叶片外形设计提供参考．-Improve wind turbin
-
-
0下载：
1、试设计串连校正装置，在同一窗口下分别绘制出校正前后的频域响应曲线，阶跃响应曲线，判断系统校正前后的稳定性；
2、设计串连校正装置，在同一窗口下绘制出校正前后的波特图进行验证，并在同一窗口下绘制校正前后系统的奈奎斯特图；
3、设计串联滞后超前校正装置，绘制出校正前后系统的伯德图；
4、设计串联校正装置使校正后的闭环系统的主导极点；
5、设计串联校正装置，维持原系统的闭环主导极点基本不变；
6、设计状态反馈阵。-And try to design concatenation
-
-
0下载：
（使用能量重心校正法）单频率成分的离散频谱校正源程序，主要针对单一频率谐波信号的离散频谱校正，可选择加矩形窗和汉宁窗。-(Using energy correction of the center of gravity method) single-frequency components of the discrete spectrum correction source, focused on a single frequency harmonic signal discrete spect
-
-
0下载：
Okumura analyzed path-loss characteristics based on a large amount of experimental data collected around Tokyo, Japan. He selected propagation path conditions and obtained the average path-loss curves under flat urban areas. Then he applied several c
-
-
0下载：
全相位离散频谱校正的matlab程序，能得到多频率信号的频率，幅值，相位。-All Phase discrete spectrum correction matlab program, to get multi-frequency signal frequency, amplitude and phase.
-
