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SPREAD SPECTRUM MODULATION TECHNIQUES
-spread spectrum - those modulation methods that are producing a signal whose
spectrum is more wider than of the data signal, the occupied frequency band being
independent by the signal of data band.
-The sig
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关于时频分布的跳频信号参数检测方法研究,短时傅立叶变换、魏格纳变换等-On the time-frequency distribution of the frequency-hopping signal detection parameters, short-time Fourier transform, Wigner-Ville transform, etc.
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内容:包含原程序代码和protel99格式的原理图。
工作模式:扫频、点频、跳频。
实现功能:液晶显示频率值、工作模式。
硬件资源:STC12C5410AD、ad9850、LCD12232F。-Content: contains the original program code and schematics protel99 format. Working modes: Sweep, point-frequency, frequency hopping. Implementatio
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PWVD在跳频信号时频分析中的应用,希望能对大家有所帮助-PWVD in the frequency-hopping time-frequency signal analysis, hoping to help all of you
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基于直接数字频率合成(DDS) 原理,利用AT89C52 单片机作为控制器件,采用AD9850
型DDS 器件设计一个信号发生器。给出了信号发生器的硬件设计和软件设计参数,该系统可输出正弦
波、方波,且频带较宽、频率稳定度高,波形良好。该信号发生器具有更强的市场竞争力,在跳频技术、
无线电通信技术方面具有比较广阔的发展前景。-Based on Direct Digital Synthesis (DDS) theory, using AT89C52 microcontroller as
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介绍了跳频扩频通信系统的原理。应用matlab语言防真和分析了一个1个频点的跳频通信系统的扩频通信过程;防真和分析了2个跳频信号跳频点的变化情况。-The principle of frequency-hopping spread spectrum communication system. Application matlab language and analyzed the anti-true process of a spread spectrum communication frequ
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进行直接序列扩频/跳频信号(DS-FH)的简单生成过程仿真-Direct sequence spread spectrum/frequency hopping signal (DS-FH) generates a simple process simulation
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基于软件无线电的短波宽带跳频信号处理系统 的文档 。通信类的论文。-Documentation of software radio shortwave broadband frequency hopping signal processing system based on
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包括射频前端和数字基带的单芯片解决方案。
支持跳频
支持SPI和I2C接口
内置auto_ack功能
数据率1Mbps
极低功耗
支持信号能量检测
支持QFN4*4和SSOP16的封装-Single chip- including RF front-end and digital baseband solutions.
Support f
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利用图像处理法分析跳频信号,修正视频图,并估计其参数-Analysis of frequency hopping signal, correcting video images using image processing method, and estimating its parameters
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谱图法分析跳频信号,对其做参数估计,一种分析跳频信号新方法,实际有效-Hopping signal spectrum analysis, an estimate of their arguments do A new method of frequency hopping signal analysis, real effective
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