搜索资源列表
AspectRatio
- How to retain the aspect ratio of an image while resizing.
qsnr8
- 这是求信噪比的程序，就是信息噪声功率比上噪声功率-This is the signal to noise ratio for the procedure is, the information on the noise power ratio noise power
gridreciprial
- 梯度倒系数实现背景抑制,提高小目标检测的信噪比-reversing Coefficients gradient background suppression, and enhance the signal-to-noise ratio target detection
tsinghua_shanhao06_jingdianpuguji
- 本程序是经典谱估计方法的程序，仿照＜数字信号处理＞胡广书．包含了书中后面三章的所有方法．另外还有ＦＩＲ，ＩＩＲ数字滤波器的去噪方法，ＳＶＤ特征值去噪，信噪比的计算等等．是一经典的程序组．希望和所有人共享-this procedure is classic method of spectral estimation procedures, modeled on the "Digital Signal Processing&quo
wsnrvalue
- 这是一个实现图象加权信噪比算法，他能实现图象失真程度的衡量-This is a weighted signal-to-noise ratio images algorithm, he is able to achieve levels of image distortion measure
duffingcheckfrequncy
- 利用duffing振子检测微弱信号频率的matlab程序。可以检测与周期策动力频率相差0.03之内的微弱信号频率。信噪比达到-68db-use Duffing oscillator frequency detection of weak signals in Matlab procedures. Can be detected with the cycle driven frequency difference of 0.03 with
high-resolution-one-dimension
- 高分辨率要求系统具有大的带宽，瞬时带宽的增加必将提高系统对硬件的要求，本文采用方便灵活的步进频率波形信号。脉间频率步进波形通过子脉冲载频的步进变化来获得大的有效带宽，使成像具有高分辨率，采用加窗和补零方法提高信噪比，但该信号对目标径向速度非常敏感。采用补零方法提高距离取样分辨率，使距离像细化，并用公式说明了补零只能提高距离取样分辨率，并不能改变频率步进信号的距离分辨能力。该信号波形对目标径向速度的敏感，使目标能量分散到邻近的距离单元造成
freqhoppsprdspctrm
- 已知载波频率的扩频通讯MATLAB程序，通过扩展频率实现低信噪比的传输 -known carrier frequency of spread spectrum communication MATLAB program, through the expansion of low-frequency signal-to-noise ratio transmission
awg
- 模拟高斯信道，画出误码率与信噪比的关系曲线-simulation Gaussian Channel paint BER and the signal-to-noise ratio curve
xiaoboyuyinduandianjianxe
- 语音端点检测是语音识别中至关重要的技术。无论军用还是民用，语音端点检测都有着广泛的应用。在低信噪比的环境中进行精确的端点检测比较困难，尤其是在无声段或者发音前后-voice activity detection is critical speech recognition technologies. Whether military or civilian, voice endpoint detection have broad app
all3
- 一个OFDM系统的仿真程序,可看出信噪比与误码率之间的关系.-an OFDM system simulation program, we can see the signal-to-noise ratio and bit error rate of the relations between them.
OFDMBER
- 有关于OFDM在不同信噪比下的误比特率，大家可以看看啊-on OFDM different signal-to-noise ratio in the bit error rate, we can see ah
SNR_vs
- 实现对数压缩PCM和线性PCM的信噪比特性曲线的仿真，非均匀量化级数为n=8和n=6。-realization of a number of PCM compressed and linear PCM signal-to-noise ratio of the characteristic curve simulation, non-uniform quantization Series n = 8 and n = 6.
Goley
- 这个程序是用格雷-RM编码法抑制峰均功率比的matlab仿真程序，对1000个OFDM符号进行统计然后表征算法对PAPR的改进程度，绝对可以运行-This procedure is used Gray- RM coding method for suppressing the peak to average power ratio of Matlab simulation program, 1,000 pairs of OFDM sym
HniqueForPAPRReductionOfCodedOFDMSignal
- 改进的SLM算法，用于降低OFDM系统的峰值平均功率比-Improved algorithms for OFDM system to reduce the peak-to-average power ratio
SLM_OFDM
- OFDM系统中用SLM算法降低系统的峰值平均功率比-SLM OFDM system using the algorithm to reduce peak-to-average power ratio
CLIPPING_OFDM
- OFDM系统中用限幅法降低系统的峰值平均功率比-OFDM system limiting method used to reduce the peak-to-average power ratio
OFDM-Peak-to-Average-Power-Ratio
- The source code for OFDM Peak-to-Average Power Ratio
area_perimeter-and-aspect-ratio
- matlab数字图像分割，可以提取一幅图中想要的目标，并计算出目标的面积，周长和长宽比。-Digital Image Segmenting Useing Matlab.This program can extract the interesting target from a figure, and calculate the target area, perimeter and aspect ratio.
gear ratio
- Optimization of the gear ratio of two speeds in terms of the lowest battery consumption