Description: 低频数字式相位测量仪；
此系统由相位测量仪、数字式移相信号发生器和移相网络三部分组成。为使系统更加稳定，使系统整体精度得以保障，本电路两块T89C52为核心控制器件分别控制相位测量、数字式移相信号发生,在数字式移相信号发生部分采用了锁相技术、CPLD等技术, 使输出波形精度大大提高，并可对频率自动校验，提高频率稳定性。-low-frequency digital phase-measuring instrument; This system consists of phase-measuring instrument, digital phase shifting generator and phase three network components. To make the system more stable, the overall accuracy of the system can be protected, the two T89C52 circuit control devices at the core respectively phase measurement control, digital believe the shift occurred, the digital shift occurred some believe that the use of lock-in technologies, such as CPLD technology, the output waveform accuracy greatly improved, and can automatic calibration frequency, frequency stability. Platform: |
Size: 433519 |
Author:逸飞 |
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Description: 分析了MATLAB/Simulink 中DSP Builder 模块库在FPGA 设计中优点，
然后结合FSK 信号的产生原理，给出了如何利用DSP Builder 模块库建立FSK 信号发生器模
型，以及对FSK 信号发生器模型进行算法级仿真和生成VHDL 语言的方法，并在modelsim
中对FSK 信号发生器进行RTL 级仿真，最后介绍了在FPGA 芯片中实现FSK 信号发生器的设
计方法。-Analysis of the MATLAB/Simulink in DSP Builder Blockset in the FPGA design advantages, and then combined with the emergence of the principle of FSK signal is given how to use DSP Builder Blockset establish FSK signal generator model, as well as the FSK signal generator model algorithm class VHDL simulation and generation language approach, and in ModelSim for FSK signal generator for RTL-level simulation, and finally introduce the FPGA chip realize FSK signal generator design method. Platform: |
Size: 275456 |
Author:普林斯 |
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Description: 函数信号发生器 本系统能够产生正弦波、方波、三角波。同时还可以作为频率计测频率。函数信号的产生由MAX038和外围电路完成，能产生1Hz—20MHz的波形。波形选择由单片机完成。输出或输入频率经74HC390分频后，由单片机完成自动频率检测显示。
关键词：波形产生器、频率计、MAX038、74HC390、AT89S51。
-Function signal generator of the system can produce sine, square, triangular wave. It also can be used as measuring the frequency of the frequency. Function signals generated by the MAX038 and peripheral circuits completed, can produce 1Hz-20MHz waveform. Waveform selection by Singlechip completed. Output or input frequency by frequency 74HC390 after completion of automatic frequency detection of single-chip display. Key words: waveform generator, frequency counter, MAX038, 74HC390, AT89S51. Platform: |
Size: 95232 |
Author:张一 |
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Description: In this paper, a new method is introduced to implement chaotic generators based on the Henon map and Lorenz chaotic generators given by the state equations using the Field Programmable Gate Array (FPGA). The aim of this method is to increase the frequency of the chaotic generators. The new method is based on the MATLAB® Software, Xilinx System Generator, Xilinx
Alliance tools and Synplicity Synplify.-In this paper, a new method is introduced to implement chaotic generators based on the Henon map and Lorenz chaotic generators given by the state equations using the Field Programmable Gate Array (FPGA). The aim of this method is to increase the frequency of the chaotic generators. The new method is based on the MATLAB® Software, Xilinx System Generator, Xilinx
Alliance tools and Synplicity Synplify. Platform: |
Size: 253952 |
Author:gsbnd |
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Description: 使用MATLAB为System Generator for DSP创建IP-The use of MATLAB for System Generator for DSP to create IP Platform: |
Size: 39936 |
Author:lxd |
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Description: Xilinx system generator的上手指南，system generator用于在matlab中使用simulink设计硬件，很方便-guide of system generater by Xilinx Platform: |
Size: 1685504 |
Author:王静 |
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Description:
AES 是一种使用安全码进行信息加密的标准。
它支持 128 位、192 位和 256 位的密匙。
加密算法的实现在 ElAES.pas 单元中。
本人将其加密方法封装在 AES.pas 单元中，
只需要调用两个标准函数就可以完成字符串的加密和解密。
(* 密匙长度 *)
128 位支持长度为 16 个字符
192 位支持长度为 24 个字符
256 位支持长度为 32 个字符
所有加密和解密操作在默认情况下为 128 位密匙。-A popular method of product validation is using keys similar to VJJJBX-H2BBCC-68CF7F-2BXD4R-3XP7FB-JDVQBC. These compact keys can be derived using Symmetric Key Cryptosystems such as the Advanced Encryption Standard (AES).
Other Public Key Cryptosystems are available such as RSA. However, these systems generally produce larger keys (which the user will eventually have to enter into the program to unlock functionality). Smaller producing Cryptosystems exist, but it is the author s opinion that they are highly encumbered with patents. Quartz is one such example. It is a Public Key Encryption System that produces a smaller cipher text based on Hidden Field Equations (HFEs). The Quartz website is littered with phrases such as "must license" and "pay royalties".
The reader is also encouraged to investigate Signature Schemes (with Recovery) as an alternative method to producing Product Keys. An example is PSS-R, a Message Recovery Signature Scheme based on RSA. PSS-R is not suitable fo Platform: |
Size: 768000 |
Author:harris |
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Description: 这是一个关于的System Generator的软件教程，对于这个软件的初学者，这个篇文章有很大的帮助。-This is the one on the System Generator software tutorials for this software for beginners, this article of great help. Platform: |
Size: 2606080 |
Author:吴桂琴 |
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Description: Dynamic and steady state model of Doubly fed induction generator back to back supply for wind energy power system using matlab Platform: |
Size: 367616 |
Author:mohammad |
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Description: this the simulation of the four generator system which is based on the K.r.Padhiyar book
the load flow data and the line data is taken from this buk.....
the students those are new in the simulation in matlab can refer this simulation and work on this ......
-this is the simulation of the four generator system which is based on the K.r.Padhiyar book
the load flow data and the line data is taken from this buk.....
the students those are new in the simulation in matlab can refer this simulation and work on this ......
Platform: |
Size: 12288 |
Author:Arvind |
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Description: Utility restructuring, technology evolution,
public environmental policy, and expanding power
demand are providing the opportunity for microturbines
to become important energy resources. In order to
investigate the ability of microturbine units in
distribution systems, new simulation tools are needed.
This paper presents a dynamic models for microturbines.
For the purpose of modeling initialy a dynamic model
for each component in the system, including gas turbine,
permanent magnet generator, DC bridge rectifier and
power inverter is developed and after this stage the
model is implemented in a simulation software. In this
research the simulation tool is Matlab/Simulink. Also the
systems stand-alone dynamic performances is analyzed
and evaluated. Platform: |
Size: 307200 |
Author:proust |
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Description: 给出了基于GIS的移动对象实时跟踪系统设计的Java源代码，打包的可执行程序可进行演示，设计了一种基于GIS技术模拟移动对象运动轨迹的生成器，实现了对结点的移动跟踪。-Gives real-time GIS-based moving object tracking system design of the Java source code, executable programs can be packaged presentation, the design of a GIS-based simulation of moving objects trajectory generator, to achieve the tracking of mobile nodes . Platform: |
Size: 2305024 |
Author:ouyangyuhao |
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Description: 本设计采用TMS320F28234 DSP芯片，设计了一台音频频率数字扫频仪。系统由扫频信号产生及调理模块、帯阻网络模块、幅频特性测试模块、数字幅频均衡模块以及人机交互模块组成。扫频信号由DSP内部PWM模块产生经外部有源低通滤波器进入带阻网络。应用数字信号处理技术在 DSP内部实现幅频特性测试，测试结果通过DSP的SCI在电脑显示器上显示，幅频均衡部分利用利用Matlab和基本部分中测得的陷波特性得出均衡算法中的滤波器的系数和阶数，然后在DSP内部对帯阻网络实现了均衡，完成了要求的各项指标。-A digital audio frequency sweep generator is developed with TMS320F28234 DSP chip in our design. The system consists of a sweep signal generation and conditioning module, band-stop network module, amplitude-frequency characteristic test module, digital amplitude-frequency equalization module and interaction module. The sweep signal generated by PWM module inner DSP pass the low-pass filter and then input the band-stop network. Digital signal processing technology is used in DSP to test the amplitude-frequency characteristic, and the test results are showed on computer monitor by the SCI of DSP, the amplitude-frequency equalization section computes the coefficients and order of the filter by matlab and trap characteristic measured in the basic part, then we achieve the equalization of the band-stop network, and complete all the requested indicators. Platform: |
Size: 4386816 |
Author:陶宝 |
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