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- Statistical Analysis of Carrier Phase Estimation in M-QAM System M-QAM系统中载波相位估计量的统计特性分析
- CPM carrier phase estimation for frequency hopping system 跳频环境下CPM载波相位估计
- Study of GPS carrier phase estimation method in high dynamic circumstances 适应高动态环境的GPS载波相位估计方法研究
- Optimal Observation Interval for PSK Signal Carrier Phase Estimation PSK信号载波相位估计的最佳观测长度
- carrier phase estimation 载波相位估计
- In order to avoid such problems as symbol sliding, phase shift of pseudorandom noise code and carrier phase offset, an improved method of frequency offset estimation is proposed. 摘要为避免采样频率偏差给卫星导航接收机带来的符号位滑动、伪随机噪声码相位移动和载波相位偏差等问题,提出了一种改进的频率偏差估计方法。
- A data aided carrier phase acquisition algorithm for OQPSK is studied. 摘要论文研究了一种OQPSK数据辅助式载波相位捕获算法。
- The simulation for QPSK shows that the algorithm can estimate the carrier phase and frequency offset accurately and reduce the system BER effectively. 结果表明,用该算法可以精确估计载波相位和频差,有效地降低系统的误码率。
- The new growing rule increases the accuracy and solidity of the phase estimation by enlarging the region of obtaining information. 新规则扩大了信息提取范围,从而提高了相位估计的精度和展开过程的稳健性。
- This paper presents the effect of carrier phase error on MC-CDMA performance in downlink mobile communications. 该文对下行无线通信信道中MC-CDMA系统的载波误差性能进行了研究。
- Starting from given initial phase values or adjacent unwrapped phase, the phase estimation values are sequentially obtained by the recurrence relation. 其过程是根据给定的初始相位数据或邻近的已解模糊的相位值通过递推估计来获取相位估值,再经过可信度的检测来保证相位估值的可靠性。
- As the name of the new mode says, PSK (phase shift keying) modulates the carrier phase. 正如这种新操作模式的名字所指的,PSK(相移键控)调制载波的相位。
- If the "0" and "1" to change the carrier phase, called phase shift keying (PSK). 如果"0"和"1"来改变载波的相位,则称为相移键控(PSK)。
- A novel frequency domain differential demodulator is proposed which employs blind phase estimation to cancel the effect of phase error caused by delay spread. 该文提出一种新的频域差分解调器,通过盲相位估计来消除延时扩展造成的相位误差的影响。
- This paper introduces a new method of caculating baseline using carrier phase DGPS and then caculating the attitude of the vehicle based on this baseline. 本文介绍了利用差分GPS求解的基线向量,并用此基线向量来确定载体姿态的算法。
- The effect on modulation and demodulation of QPSK via carrier phase noise can not be ignored, and it is difficult to analyze. 载波相位噪声对QPSK调制解调的影响是不可忽略的,也是难以分析的。
- The key problem of DGPS carrier phase measurements for two moving bodies is how to get a fast ambiguity solution under varying baselines. 摘要GPS双移动载波相位差分技术的关键,是如何实现可变基线条件下整周模糊度的快速解算。
- Here the bit tracking loop,code tracking loop and carrier tracking loop work simultaneously to complete synchronization of data,code and carrier phase. 该方法采用位同步环、码跟踪环和载波跟踪环同时工作,协同完成数据位、伪码和载波相位的同步。
- In direct conversion navigation receiver,due to the IQ mismatch,there will be track error in carrier phase and code phase. 分析了直接下变频导航接收机中,I、Q信号的非正交引起的载波及伪码的跟踪误差。
- The real single frequency sinusoidal signal under white Gaussian noise is common signal in industry.This paper presents a new method for phase estimation of sinusoidal signal based on bispectrum. 高斯噪声背景下的单频实正弦波信号是工业现场遇到较多的一类信号,本文针对此类信号提出了一种基于双谱分析的正弦波初相估计方法。