xinxilun

TURBO CODE SIMULATION SORCE

利用burg和Levinson-Durbin算法，根据100年间每年12个月记录到的太阳黑子出现次数的平均值求太阳黑子的活动周期(Burg and the use of Levinson-Durbin algorithm, according to 100 years, 12 months a year recorded the average number of sunspots appear for the activities of sunspot cycle)

处理由采集卡采到的加速度传感器测得的信号，并分析其在0-1000Hz的频谱幅值并绘制频谱图(Processed by the acquisition card taken to the measured acceleration sensor signal, and to analyze the spectrum of the 0-1000Hz and draw the amplitude spectrum)

数字基带系统将数字信号从时域上看时数字滚降，需要画出滚降前后的波形展示出来。频域上带宽变化了。输入滤波器之前的波形与采样判决之后的波形。采样判决前的频谱。 采样判决后的码型。 2、眼图（采样判决之前的眼图）（信噪比大眼图清晰） 3、误码曲线，（横坐标时信噪比，纵坐标时误码率） 4、Arfa变化对误码特性的影响，变好还是变差(变好)，眼图清晰度变化（清晰），传递函数的带宽的变化。（带宽越大）(1.Digital baseband system point of view the digital signal from the time domain when the number of roll-off, you need to draw the waveform displayed before and after the roll-out. The frequency domain, the bandwidth change. Input filter and sample ruling before the wave after wave. Sample pre-judgment spectrum. Sampling pattern after the verdict. 2, the eye diagram (eye before sampling decision) (SNR big eye clear) 3, the error curve (abscissa when the signal to noise ratio, bit error rate when the vertical axis) 4, Arfa impact of change on BER performance, get better or worse (getting better), change of eye-definition (clarity), the transfer function of the bandwidth changes. (The greater the bandwidth))

switched mode power suply with simulink. dc and 3-phase ac voltage output with regulable frequency and amplitude.

说明：  随机共振分析弱信号，带MATLAB源码，值得参考(Stochastic resonance weak signal analysis, take the source code, is worth reference)

When a UE moves away the serving eNodeB (eNB) and becomes closer to the neighbouring eNB (see fig.1), the strength of desired received signal decreases and the ICI increases.The impact of ICI in LTE downlink can be analysed according to the received signal to interference and noise ratio (SINR) of UEm on resource block n (RBn) as

这是一本掌握和精通matlab之gui设计书的精华部分，阅读此部分可以学会GUI界面的设计(This is a master and the mastery of the design is the essence of the matlab GUI part, reading this part can learn the GUI interface design )

混沌映射(序列)matlab算法“小全”：Logistic、Henon、帐篷、kent(含混沌二值图像生成函数)的matlab程序(Chaotic map (sequence) matlab algorithm " Souvenir" : Logistic, Henon, Tent, kent (including chaotic binary image generating function) matlab program)

it is descipe use of speech recogination using matlab