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对小麦声信号进行编辑和预处理，实验结合信号处理技术及MATLAB软件
我国是世界上小麦种植面积最大和消费最高的国家之一。小麦为国际主粮之一，也是食品工业的重要原料。作为最重要粮食品种之一的小麦，其价值与用途取决于它的品质。因此，基于信号处理技术，研究客观、便捷的小麦品质测定方法对提高小麦品质、减少产后损失、保证国家粮食安全具有十分重要的意义。本课题拟在研究、分析国内外无损检测技术在农产品品质分析应用现状和研究进展的基础上，研究小麦籽粒声信号的预处理方法。根据声学检测原理，研制出小麦籽粒的声信号采集装置，首先采集小麦籽粒下落碰撞所产生的声音信号，对小麦声信号进行编辑和预处理，实验结合信号处理技术及MATLAB软件，对单粒小麦样品的声信号进行谱估计和小波变换，提取出时域和频域特征参数，为探讨小麦声学特性与其品质指标的关系奠定基础。本论文利用MATLAB软件编写小麦声音信号预处理程序，通过对小麦籽粒声信号进行处理，成功的提取出了有效的时域、频域的多种特征参数，为研究其声学特性与小麦品质内在的关系，做了充分的准备工作。(China is one of the countries in the world which has the largest wheat growing area and highest consumption. Wheat is one kind of the staple food in the world and also an important material for food industry. The value of wheat and its use all depends on is quality, To enhance quality of wheat,readuce post harvest loss and ensure grain security, great efforts should be made to develop rapid, objective, and easy methods for assessing wheat quality using signal processing techniques. This paper do the research of wheat signal preconditioning method and it basis of analysis domestic and foreign non-destructive testing technology.According to acoustic detection theory,an equipment of obtaining wheat sound signals is developed. Collecting the dropping voice signals of different varieties of wheat samples.And then do editing and sound signal preprocessing on wheat through signal processing technology.This paper do some research about spectrum estimate and wavelet transform on single wheat wi)
- 2020-06-30 06:40:02下载
- 积分：1
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Calculator
An calculator base on Matlab code
- 2010-03-10 13:17:48下载
- 积分：1
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error-coding-prog
the attached all programs are based on error control coding for ex. LBC, Convolition, RS code etc. all programs are generalized means for any size input or any type of circuit respectively. the all programs are tested on matlab 2012
- 2013-09-29 18:08:57下载
- 积分：1
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~8Book_MATLAB+simulink
电子通信系统的建模与仿真
第8章 扩频通信 仿真
8.1 扩频码相关性的讨论
8.2 扩频通信原理
8.3 扩频通信系统?
8.4 跳频通信系统(Electronic communications system modeling and simulation in Chapter 8 Simulation of spread spectrum communication spread spectrum 8.1 code related discussion 8.2 Principle 8.3 Spread Spectrum Communications Spread Spectrum Communication System ? 8.4 Frequency Hopping Communication System)
- 2008-07-27 22:10:41下载
- 积分：1
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Microsoft-Word-
它提供了龙格-库塔法，用以解决微分方程这类方程。(It provide the Runge-Kutta to solve differential equation.)
- 2012-04-18 19:25:20下载
- 积分：1
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7
说明： 基于遗传算法的OFDM自适应资源分配算法MATLAB源码
OFDM自适应资源分配问题（载波、功率等），是一个既含有离散决策变量，又含有连续决策变量的非线性优化模型，且含有较为复杂的非线性约束，因此适合采用智能优化算法进行求解。
(Adaptive genetic algorithm-based resource allocation algorithm for OFDM OFDM MATLAB source adaptive resource allocation problem (carrier, power, etc.), is a decision with both a discrete variable, but also with continuous decision variables of the nonlinear optimization model, and contains more complex non-linear constraints, so smart optimization algorithm for solving.)
- 2011-05-10 16:10:57下载
- 积分：1
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keli_catch
颗粒提取，用于MATLAB仿真的，提取一些细小的颗粒。效果较好。(Particle extraction for the MATLAB simulation, extract some small particles. Better.)
- 2013-07-28 01:44:52下载
- 积分：1
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PN-code
psuedo noise code in matlap
- 2011-06-18 18:37:11下载
- 积分：1
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ex7
说明： 用Matlab实现相关分析,并建立其系统界面；对给定的试验数据进行相关分析(Correlation analysis using Matlab implementation and the establishment of the system interface on a given test data correlation)
- 2011-03-23 13:53:16下载
- 积分：1
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reconstr
相空间重构的计算程序。可以为计算关联维数服务，或者要预测时也可用。(it is a program for phase space reconstruction, and it s for correlation dimension or for prediction)
- 2010-05-21 20:21:10下载
- 积分：1
