在地面轨迹模型中实现四个混乱干扰情况的FPGA实现,并在图像传输中应用
Miguel-Angel Estudillo-Valdez1, Vincent-Ademola Adeyemi1, Esteban Tlelo-Cuautle2
1Instituto Politécnico Nacional, CITEDI, 22435, Tijuana, Mexico.
Scientific reports
|August 10, 2023
概括
这项研究将地球轨道动态与混乱振荡器集成在一起,以使用连续转移键 (CSK) 调制进行安全的图像加密. 基于VHDL的系统成功地加密和解密RGB和灰度图像的高保真度.
科学领域:
- * 混沌理论和动态系统建模.
- * 数字信号处理和信息安全.
- *使用现场可编程网关数组 (FPGA) 的硬件实现.
背景情况:
- * 集成复杂的动态系统,用于新型应用.
- * 需要安全的图像传输方法.
- * 混沌系统在密码学中的应用.
研究的目的:
- * 开发一种将地球轨道动态与混乱振荡器集成的技术.
- * 实现用于图像加密的连续转移键 (CSK) 调制.
- *使用VHDL实现安全的图像传输和无损解密.
主要方法:
- * 整合了四翼球形混乱振荡器与地球圆路径模型.
- * 在主-奴隶同步拓中实现CSK调制和图像加密.
- * 在Xilinx和英特尔FPGA板上使用MATLAB/Simulink和Vivado进行VHDL代码开发和共模拟.
主要成果:
- *成功模拟了地球轨迹的混乱干扰.
- * 实现了对加密的RGB和灰度图像具有低相关系数的高安全性图像加密.
- * 证明了无损图像解密,检索到的图像与原件完全相关.
结论:
- * 拟议的基于VHDL的系统有效地整合了混乱的动态,以实现安全的图像加密.
- * CSK调制和主-奴隶同步拓为信息安全提供了强大的方法.
- *使用FPGA确保了实时应用程序的高效硬件实现.
相关概念视频
Transmission-Line Differential Equations
340
Transmission lines are essential components of electrical power systems. They are characterized by the distributed nature of resistance (R), inductance (L), and capacitance (C) per unit length. To analyze these lines, differential equations are employed to model the variations in voltage and current along the line.
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured...
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured...
340
Interference: Path Lengths
1.3K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
1.3K
Propagation of Uncertainty from Random Error
726
An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
726
Time and frequency -Domain Interpretation of Phase-lag Control
115
Phase-lag controllers are widely used in control systems to improve stability and reduce steady-state errors. A dimmer switch controlling the brightness of a light bulb serves as a practical example of phase-lag control, gradually adjusting the bulb's brightness. Mathematically, phase-lag control or low-pass filtering is represented when the factor 'a' is less than 1.
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
115
Traveling Waves: Lossless Lines
158
The provided content explores the behavior of traveling waves on single-phase lossless transmission lines. It begins with a single-phase two-wire lossless transmission line of length Δx, characterized by a loop inductance LH/m and a line-to-line capacitance C F/m. These parameters result in a series inductance LΔx and a shunt capacitance CΔx.
158
Propagation Speed of Electromagnetic Waves
3.4K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.4K


