主要包括以下处理： 1、信号截取 2、信号频谱分析 3、音乐倍速播放 4、经典滤波处理（低通带通高通） 5、均衡器设计

手机GSM通信调制及开关频谱 移动通信

一个C#和MFC 的频谱分析控件，是一个很好的参考资料，当然直接使用也是可以的，附有源码。

简洁漂亮的小插件 放在任意位置打开 配合任何音频软件都可以

数字信号处理的作业，是噪声中的正弦信号的经典法频谱分析的原理讲义及代码。非常清晰明了

09年新书，很好的知无线电 网络中的频谱接入和管理，下面是IEEE的书评： The book is divided into three parts. Part one is a general introduction to wire- less communication systems, reviewing communication architectures and tech- nologies, as well as resource allocation protocols and dynamic spectrum access, discussing features, research challenges, and standardization. Part two is a further discussion on wireless system design with a focus on analysis of dynamic spectrum access systems. A brief introduction to signal processing and optimization tech- niques is presented, as well as basics of game theory and intelligent algorithms (e.g., machine learning, genetic algo- rithms, and fuzzy logic). Finally, part three discusses in detail dynamic spec- trum access and management. Models and architectures of dynamic spectrum access are introduced and described in detail. The authors first present the cen- tralized dynamic spectrum access model, and later focus on the distributed approach. Distributed dynamic spectrum access is discussed from the algorithmic and protocol perspectives in separate chapters. Finally, a spectrum trading model is presented with its applications to wireless communications. This book is a valuable source of information for people new to the con- cept of dynamic spectrum access. Also, scientists and engineers already involved in dynamic spectrum access research will find this book a good reference source. This is one of the few books on the mar- ket related to dynamic spectrum access and cognitive radio written completely by the authors themselves. Therefore, it is very cohesive, has a very good flow, and does not repeat itself while intro- ducing new concepts, as do many edited books on a similar topic available on the market. Many concepts of dynamic spec- trum access are well systematized in the book, and the literature review is very broad and complete. One small draw- back is a bit too lengthy introduction to wireless communication systems in part two of the book (which can e

内容基于fieldii仿真程序，实现超声发射脉冲到体模，并接收回波，通过频谱差法测量衰减系数

利用MATLAB软件,对时域正弦信号经FFT变换后的频谱误差进行了仿真分析。通过分析时域信号中初相位和采样频率对FFT频谱的影响,针对不同初相位与非整周期采样引起的幅值误差,给出其变化规律和改善方法;探讨了采样频率对频谱的峰值频率和幅值的影响,提出针对峰值频率谱线,采用提高采样频率的方法减小幅值误差。

本压缩包是战舰V3STM32F103ZET6音乐频谱显示+音乐播放的MDK5的工程文件，适用与战舰V3STM32F103ZEET6

音频频谱图控件+显示音频频谱+C%23编写