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- carrier phase reversal 载波反相, 载波相位反转
- 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。
- 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。
- 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。
- In this thesis, we propose a novel PAPR reduction technique in OFDM systems.The technique was based on phase reversal and the influence on input symbol. and output symbols. 在本篇论文中,我们将提出新的降低PAPR技术,主要是利用相位的改变与讯号彼此间的影响程度做为基础。
- 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)。
- 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。
- New FET-input amplifiers, like the AD820 family of amplifiers, incorporate design improvements that prevent output voltage phase reversal for signals within the rated supply voltage range. 新型的FET输入管放大器(如AD820系列放大器),在设计上做了改善,对于额定电源电压范围之内的信号,能够防止输出电压相位反转。
- 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。
- This paper deals with the equivalence between the ambiguity function me-thod and the least square method with GPS carrier phase observables. 本文主要讨论了GPS相位观测值模糊度函数法处理与最小二乘法处理(如双次差分相位观测值的最小二乘处理方法)的等价性。
- Study for the matchable combinations of Galileo/GPS carrier phase observations[J].Chinese Journal of Space Science,2006,26 (4):287-291. Galileo/GPS载波相位组合观测值可匹配的研究[J].;空间科学学报;2006;26(4):287-291
- Now, how much time delay do we get when we put a phase reverser in-line? 现在,当我们用一个线路相位反转器的时候我们可以得到多少的延时呢?
- 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 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 low-cost, highly-accurate GPS carrier phase frequency syntonization system (GPS carrier phase-disciplined oscillator, GPSCDO) based on a single-frequency receiver is presented. 摘要:本论文介绍利用单频接收机及GPS载波相位观测量所组成一低成本且高精度的频率同步系统(GPS载波相位训练振荡器)。
- In this system, FPGA is used as a main logic unit and DSP is used as a digital demodulate unit.The influence of carrier phase delay on demodulation output is corrected. 该系统采用FPGA实现数据的高速采集和逻辑控制,用DSP实现传感信号的全数字解调,分析了载波相位延迟对解调输出的影响并采取了纠正措施。
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