chandel 发表于 2025-3-27 00:34:29
Modified Costas Loop for QPSK,is presented. This guides the designer of a loop step by step through the entire circuit design. A Simulink model can be used to simulate a modified Costas loop with user-specified parameters such as carrier frequency, symbol rate, frequency error. All relevant signals of the loop can be visualized疲劳 发表于 2025-3-27 03:07:05
http://reply.papertrans.cn/24/2391/239016/239016_32.pngAnthem 发表于 2025-3-27 08:39:44
Costas Loop for BPSK Using Phasor Rotator Circuit,the lowpass filter in the Q branch is considered to be the imaginary part of that phasor. This phasor rotates in the complex plane with a frequency that is the difference between carrier frequency of the input signal and frequency of the local oscillator. Phase tracking is now achieved by a so-calle人工制品 发表于 2025-3-27 12:07:35
http://reply.papertrans.cn/24/2391/239016/239016_34.pngIntact 发表于 2025-3-27 15:39:19
Costas Loop for Quadrature Amplitude Modulation,e) are used to enable correct setting of amplifier gains and correct frequency and phase tracking. A design procedure is given for the setup of all function blocks of the Costas loop for QAM. Special attention is devoted to the problem of symbol clock recovery: Herethe so-called . Method developed bMinatory 发表于 2025-3-27 18:14:27
http://reply.papertrans.cn/24/2391/239016/239016_36.pngOverstate 发表于 2025-3-27 23:02:19
http://reply.papertrans.cn/24/2391/239016/239016_37.pngFLEET 发表于 2025-3-28 03:32:24
http://reply.papertrans.cn/24/2391/239016/239016_38.png有毒 发表于 2025-3-28 07:35:24
http://reply.papertrans.cn/24/2391/239016/239016_39.pngMicroaneurysm 发表于 2025-3-28 10:58:15
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