FIG. 1B shows a block diagram of a BPSK demodulator using a Costas loop design; FIG. 2A shows a block diagram of one embodiment of a low power BPSK demodulator; FIG. 2B shows a simple circuit implementation of the BPSK demodulator of FIG. 2A; ...
(DI)S)专用芯片实现,一个基本的DDS电路包括相位累加器,相位调制器,相位/幅度变换电路,A变换器以及控制电路组成,如图1.DDS电路可通过编程,分别实现PSK,FSK,AM和QAM等多种调制方式,并且具有调制速率高,载频可调等优点图L数字漏制器的组成方框图Fig.1Blockdiagramofdigitalmodulator11相位累加器①薯翟;j^电I系±...
BPSK-BINARYPHASESHIFTKEYING：二进制相移键控BPSK BPSK - BINARY PHASE SHIFT KEYING PREPARATION (70)generation of BPSK (70)bandlimiting (71)BPSK demodulation (72)phase ambiguity (72)EXPERIMENT (73)the BPSK generator (73)BPSK demodulator (74)measurements (75)further study (76)TUTORIAL QUESTIONS (77...
additive white Gaussian noise (AWGN). BPSK MODULATOR AWGN CODE BITS DATA ESTIMATES DATA BIT ENCODER HAMMING DECODER HAMMING DEMODULATOR (HARD DECISION) BITS Figure 1: Block Diagram of the Hamming-coded BPSK system to be simulated. The (7, 4) Hamming code has the following generator matrix: G ...
The CMX7146 is a flexible data transmitter supporting BPSK (Binary Phase Shift Keying) and Differential BPSK modulation (sometimes called PRK, P...