常見例句A data aided carrier phase acquisition algorithm for OQPSK is studied. 摘要論文研究了一種OQPSK數(shù)據(jù)輔助式載波相位捕獲算法。The OQPSK modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance. OQPSK調(diào)制器的不均衡以及放大器的非線性對(duì)接收機(jī)的性能具有非常大影響。A new algorithm for fast synchronization in a bust mode OQPSK receiver is proposed in this paper. 該文提出了突發(fā)模式OQPSK接收機(jī)的一種快速同步算法。Simulation results show that CPQPSK signal has higher bandwidth efficiency than shaped offset OQPSK(SOQPSK) si. 針對(duì)導(dǎo)致傳統(tǒng)QPSK信號(hào)帶寬傚率和功率傚率低的相位跳變問題,提出了連續(xù)相位QPSK,CPQPSK調(diào)制。The OQPSK digital requirement of making way to take over the S/N of S/N ratio for signal is lower than simulated unilateral tape modulation way. OQPSK數(shù)字調(diào)制方式對(duì)信號(hào)接收信噪比S/N的要求低於模擬單邊帶調(diào)制方式。Bit error rate (BER) performances of OFDM were simulated under the three major scenarios and the performance was compared with OQPSK. 對(duì)OFDM在無人機(jī)的3個(gè)主要狀態(tài)下的誤碼率性能進(jìn)行了倣真,竝與OQPSK作了比較。 返回 OQPSK