Description: 二阶锁相环Matlab仿真代码，如入两路信号和信噪比，输出锁相以后的信号。可以仿真初始频差，和频率斜升的情况-second-order PLL Matlab simulation code, such as two-way signals and signal to noise ratio, the output signal after the lock-in. Simulation can initial frequency difference, and frequency ramp-up of Platform: |
Size: 2262 |
Author:里根 |
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Description: 二阶锁相环Matlab仿真代码，如入两路信号和信噪比，输出锁相以后的信号。可以仿真初始频差，和频率斜升的情况-second-order PLL Matlab simulation code, such as two-way signals and signal to noise ratio, the output signal after the lock-in. Simulation can initial frequency difference, and frequency ramp-up of Platform: |
Size: 2048 |
Author:里根 |
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Description: 小数分频技术解决了锁相环频率合成器中的频率分辨率和转换时间的矛盾, 但是却引入了严重的相位噪声,
传统的相位补偿方法由于对Aö D 等数字器件的要求很高并具有滞后性实现难度较大。$2 调制器对噪声具有整形的功
能, 因而将多阶的$2 调制器用于小数分频合成器中可以很好地解决他的相位噪声的问题, 大大促进了小数分频技术的
发展和应用。文章最后给出了在GHz 量级上实现的这种新型小数分频合成器的应用电路, 并测得良好的相噪性能。-Fractional-N technology to solve the PLL frequency synthesizer in the frequency resolution and conversion time of contradictions, but the introduction of a serious phase noise, the traditional method of phase compensation A? D because of the number of devices, such as demanding and have the lag is more difficult to achieve. $ 2 modulator with noise shaping function, and thus will be more than the $ 2-order modulator for fractional-N synthesizer can be a good solution to his problem of phase noise, contributed significantly to the fractional-N technology development and applications. Finally, the article in the GHz order to achieve this new fractional-N synthesizer of the application circuit, and measured a good phase noise performance. Platform: |
Size: 286720 |
Author:朱成发 |
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Description: 数字通信中的锁相环（PLL）完整程序，包括噪声处理，可用于GPS的的跟踪和捕获-the matlab code of PLL ,including how to deal with the noise ,which can be used to acquiring and tracking on GPS Platform: |
Size: 4096 |
Author:天王 |
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Description: 调频电路的matlab simulink 仿真-The objectives of this laboratory are:
To investigate frequency modulation characteristics in the frequency domain.
To implement a classical double-tuned FM demodulator and measure its characteristics.
To implement a modern PLL FM demodulator and measure its characteristics.
To investigate the effect of FM signal bandwidth on the detected signal-to-noise ratio. Platform: |
Size: 158720 |
Author:唐瀚 |
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Description: 风力发电机组噪声测试的MATLAB程序，包换声功率级测试以及声压级测试-MATLAB program, the replacement sound power level testing as well as the sound pressure level testing of wind turbine noise test Platform: |
Size: 2048 |
Author:蒋杏国 |
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