psolssvm

MATLAB中利用SUSAN实现边缘检测(The use of MATLAB to achieve SUSAN edge detection)

optimization genetic algorithm

FIR滤波器，使用hamming窗函数，对正弦信号的傅里叶分解形式进行滤波(FIR filters, using hamming window function, Fourier decomposition form sinusoidal signal filtering)

语音增强谱减法程序，已经运行成功，效果明显(Spectral subtraction speech enhancement program has been run successfully, obvious effect)

it is used for the recovering speech from noise

OFDM仿真包括信号源,卷积码编码，交织，qpsk调制，IFFT，组帧，上采样，通过FIR滤波器 通过高斯信道，再经过低通FIR滤波器，下采样，拆帧，FFT，qpsk解调，接收数据；计算误比特率(OFDM simulation including the signal source, sampling convolutional encoding, interleaving, QPSK modulation, IFFT, frame,, through the FIR filter through Gauss channel, and then through the low pass FIR filter, sampling, demolition of frame, FFT, QPSK demodulation, the received data bit error rate calculation)

基于Mean_shift的运动目标跟踪算法，可实现高速公路车辆的检测(Moving Target Tracking Based on Mean_shift algorithm can achieve highway vehicle detection)

利用人工蜂群算法搜索一个二元函数最小值点(Using artificial bee colony algorithm searches the minimum point binary function)

matlab实现OFDM的仿真，经过实践和编程仿真，对理论课的内容会有更为直观的认识。(matlab simulation realization of OFDM, after practice and simulation programming, the content of the theory of knowledge will be more intuitive.)

说明：  为了提高认知无线电中感知用户对授权用户(主用户) 的检测概率,提出一种新的基于循环 谱统计量的主用户信号检测算法. 该算法利用循环谱离散频域平滑方法,对信号的循环谱在循环频 率处建立合理的检测统计量,然后求解得到对应不同虚警概率的判决门限,以使感知用户能检测信 噪比更低的授权用户信号.(To increase the detection probability of sensing users for licenced users (primary signals) in the cognitive radio , it put s forward a new primary users signal method based on cyclic spect rum statis2 tics. By using discrete f requency smoothing of cyclic spect rum , this algorithm establishes the reason2 able detection statistics on the cyclic f requency of signal cyclic spect rum , then solves and obtains the decision threshold correspond to different false alarm probability , as a result , making the sensing users can detect licenced users signal under lower signal in noise ratio (SNR) .)