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该文研究了河南省不同年龄组的历史发展趋势和65岁以上人口未来发展趋势以及影响老龄化相关因素的问题。通过对不同时期的人口数据的分析和预测，从一个经典的模型入手，建立了三个不同的模型，分别 模型、 模型和关联分析模型，然后采用统计分析的方法来解决这些问题，预测出了河南省未来老龄化人口的发展。(This paper studies the different age groups in Henan Province of historical development trends and population over the age of 65, as well as the impact of future development trend of aging-related factors. Different stages of the analysis of population data and projections from a model of the classic, the establishment of three different models, namely, model, models and associated analysis model, and then using statistical analysis methods to solve these problems, predict the Henan Province, the future development of an aging population.)

蚁群算法的matlab实现程序，简单易懂，对于学习者来说，不错(Ant colony algorithm matlab implementation process, easy to understand, for a student perspective, it is true)

Bifurcations of circle maps: Arnol d tongues, bistability and rotation intervals

说明：  文章：利用三次样条函数计算开挖体积，有matlab代码。(Article: the use of cubic spline function calculated excavation volume, there is matlab code.)

说明：  雾天图像处理 图像在雾天里 细节部分 看不清楚 该程序能恢复因雾天的影响造成的细节部分不清楚(image processing if the picture was influenced in the fog .this programm can deal the influenced picture in a high speed .it was developed in matlab image processing if the picture was influenced in the fog .image processing if the picture was influenced in the fog .image processing if the picture was influenced in the fog .)

psk,fsk等调制的基于matlab仿真,由仿真结果看出其性能的差别(psk, fsk modulation, such as matlab-based simulation, the simulation results that the performance difference)

遗传算法遗传算法遗传算法遗传算法遗传算法遗传算法遗传算法遗传算法遗传算法遗传算法(GA Matlab程序)

How to compute synthetic seismograms with the program system G E M I N I

心音信号的DCT域变换压缩编码，LLoyld最佳量化与霍夫曼编码，利用心电R波进行分帧，在不到1 左右失真度的情况下达到了6.0以上的压缩比(Heart sound signals on DCT transform coding, LLoyld optimal quantization and Huffman coding, the use of ECG R wave sub-frame, less than about 1 in the case of distortion to achieve a compression ratio of more than 6.0)

HYBRID pso OPTIMIZATION