hudong

the simulation provides computation of target reflectivity data in the deficient elevation domain. Simulations are implemented to test the decoupled least-squares technique for high resolutionspectral estimation of target reflectivity.all seven (7)files should be downloaded for the simulation to work.(dls3D.m,estimate.m,get2S1Data.m,getConstraints.m, getImageData.m,getPixelData.m, getSLICYData.m)

LTE-A系统的最新进展，对超前研究LTE-A系统的非常有帮助(LTE-A system of the latest, on the advance of LTE-A system very helpful)

说明：  天牛须算法优化elman神经网络代码，有需要的可自行进行下载，(The algorithm optimizes Elman neural network code, which can be downloaded if necessary.)

主要介绍了dvhop算法的源代码，先计算平均每跳的距离，再根据跳数求出锚节点与未知节点的距离，再用三边测量法求出未知节点坐标(Dvhop algorithm introduces the source code, to calculate the average distance of each jump, then jump a few calculated in accordance with anchor nodes and unknown distance from the node, and then calculated trilateration unknown node coordinates)

设计一个IIR数字低通滤波器， 逼近一组模拟滤波器的指标参数（通带截止频率Wp=2*pi*2000rad/s,阻带边界频率Ws=2*pi*3000rad/s,通带波纹 Rp=3db, 阻带衰减Rs=15db, 采样频率f=10000Hz）； 分别用脉冲响应不变法和双线性变换法实现设计，列出传递函数并描绘模拟和数字滤波器的幅频和相频响应曲线。用上述设计滤波器完成几组给定信号的滤波，证明滤波器的有效性和滤波范围限制.(Design a IIR digital low-pass filter, approaching a group of analog filters indicator parameters (pass-band cut-off frequency Wp = 2* pi* 2000rad/s, stop-band edge frequency Ws = 2* pi* 3000rad/s, pass-band ripple Rp = 3db, stop-band attenuation Rs = 15db, the sampling frequency f = 10000Hz) were used to change the impulse response method and bilinear transformation method for design, list and describe the transfer function of analog and digital filter amplitude-frequency and phase-frequency response curve. A filter was designed with the completion of the above-mentioned groups of a given signal filtering, to prove the effectiveness of filters and filter limit)

由磁悬浮小球的状态空间模型计算出其鲁棒控制器，并在simulink模型中对鲁棒控制器的性能进行了验证。(Magnetic levitation ball from the state-space model to calculate the robust controller and in simulink model for robust controller performance is verified.)

信号处理领域盲源分离的重要算法，基于负熵的固定点算法，也叫Fastica算法，是盲源分离里采用最多的算法。(Important field of signal processing algorithms blind source separation, negative entropy-based fixed-point algorithm, also called Fastica algorithm, blind source separation in the most used algorithms.)

说明：  Matlab下用压缩感知恢复一维信号(正交匹配追踪法)(Matlab recovery under the one-dimensional compressed sensing signal (orthogonal matching pursuit method))

This is the Matlab code for Yagi antenna design , very useful .

Configurable Simulink Model for DC-DC Converters with PWM PI Control description