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Description: In this paper, the feasibility of replacing a chaos source by an equivalent digital pseudo-random generator realized using Linear Feedback Shift Register (LFSR) is studied. Particular emphasis is given on the digital implementation Piece-Wise Linear A ffine Maps (PWAM). As an application, an FPGA implementation of four different maps has been experimentally verifi ed in a FM-DCSK test radio system.
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Size: 257024 |
Author: gsbnd |
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Description: 混沌通信的源代码，很有参考价值的！关于卡尔曼滤波等实现FM-DCSK通信系统性能仿真-Chaotic communication source code, a good reference! On Kalman filtering to achieve FM-DCSK Communication System Performance Simulation
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Size: 28672 |
Author: 龚帅 |
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Description: 本调频收音机主要由FM/AM收音机芯片CXA1019、PLL且频率合成器BU2614和单片机AT98C51组成。收音机以单片机AT98C51为控制核心, 实现全频搜索、指定频率范围搜索和手动搜索电台 本收音机还使用了数字电位器(X9511)控制音量。采用液晶显示器显示载频和时钟等信息, 大幅度降低了系统的功耗。整机实现3V 电源工作, 采用E2PROM(AT24C04)存储电台, 还增加了立体声解码功能。-Mainly by the FM radio FM/AM radio IC CXA1019, PLL and frequency synthesizer BU2614 and SCM AT98C51 composition. AT98C51 microcontroller for the control of the radio to the core, to achieve full frequency search, specify the frequency range of search and manual search radio station the radio also uses a digital potentiometer (X9511) to control the volume. Carrier frequency with LCD display and clock and other information, significantly reducing system power consumption. Machine to achieve 3V supply, the use of E2PROM (AT24C04) storage station, also increased the stereo decoding.
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Size: 320512 |
Author: 梁蛟龙 |
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