提出采用载波相位超前技术消除其不利影响。
A carrier phase advance technique was developed to solve this problem.
该算法利用并行方法估计有频差时的载波相位。
Firstly the carrier phase with frequency offset is obtained with a parallel method.
利用GPS载波相位信息可以达到精密导航定位。
GPS carrier phase's information can be used accuracy positioning and navigation.
提出一种适合软件无线电的载波相位和频差估计算法。
An algorithm suitable for carrier phase and frequency offset estimation in software radio is proposed.
本文提出了一种专门用于数字VSB解调的载波相位跟踪环。
This paper proposes a carrier phase tracking loop dedicated for VSB demodulation.
提出了一种适合GPS系统的高动态环境载波相位测量方案。
GPS carrier phase measurement scheme adapted to high dynamic circumstance is presented.
论文研究了一种OQPS K数据辅助式载波相位捕获算法。
A data aided carrier phase acquisition algorithm for OQPSK is studied.
载波相位周跳检测与修复是实现GPS高精度定位的难点之一。
Detecting and repairing GPS carrier phase cycle skip is a challenge for precise GPS position.
采用了最大平均功率定时同步算法和最大似然载波相位估计算法。
The maximum mean power estimation timing recovery algorithm and the maximum-likelihood carrier phase estimation algorithm are employed.
折射校正载波相位测量是由两组不同的基本频率宽巷载波相位测量组成。
Refraction correction carrier phase measurements is composition of two different sets of fundamental frequency wide-lane carrier phase measurement.
采用载波相位观测的GPS导航模式中，导航信号失锁的现象经常发生。
Tte phenomena of lock-lose occur frequently in GPS navigation based on carrier phases.
GPS姿态系统是利用GPS载波相位测量来确定载体的航向和姿态角。
The GPS carrier phase measurements are used to determine the attitude of a vehicle.
推导了GPS接收机中多径效应引入的最大载波相位跟踪误差的闭合形式。
The closed expression form of the maximum carrier phase tracking error caused by multipath effect is derived in this paper based on multipath signal characteristics and GPS receiver work mechanism.
载波相位噪声对QPS K调制解调的影响是不可忽略的，也是难以分析的。
The effect on modulation and demodulation of QPSK via carrier phase noise can not be ignored, and it is difficult to analyze.
在此基础上，基于MMSE准则计算载波相位的轨迹，得到频差和初始相位。
Then the phase trajectory is estimated based on MMSE criterion, and the frequency offset and initial phase can be achieved.
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 simulation for QPSK shows that the algorithm can estimate the carrier phase and frequency offset accurately and reduce the system BER effectively.
在分析似单差模型的基础上，提出了识别载波相位观测值中小于半周的粗差的方法。
On the basis of analyzing the similar single-difference model, the method of identifying the outliers, which is in carrier phase observations and less than half a cycle, is put forward.
它直接对接收信号的相角进行处理，以完成载波频率的快速捕获和载波相位的跟踪。
It directly processes the phase of the received signal and realize fast capture of the carrier frequency and keeping the carrier phase.
研究了GPS高精度载波相位测量，及在航空动态定位中应用的理论、方法和技术。
This article studies the theories, methods and technology of application in space technology with the GPS high precision carrier-phase measuring.
文章分析了存在载波相位起伏、正弦干扰、高斯白噪声时正交调幅数字系统的抗扰性。
The paper analyzes the interference rejection of Quadrature amplitude modulation signals in the presence of carrier phase jitter, sinusoidal interference and white Gaussian noise.
基于卫星载波相位干涉测量原理，研究了利用北斗双星系统确定车辆航向的相关技术。
Based on interferometry measurement theory of satellite carrier phase, the technology of land vehicle heading determination through Beidou Bi-Satellite System was studied.
用LAMBDA方法确定GPS载波相位测量的整周模糊度，需要较高精度的浮点解。
When using the LAMBDA method to fix an integer ambiguity of GPS carrier phase measurements it is necessary to have a high accuracy of float solution.
在此背景下，差分gps (DGPS)定位、载波相位等技术应运而生并飞速发展。
In this context, a differential GPS (DGPS) positioning, carrier phase technology emerged and rapid development.
这项技术的优点在于确定L 1、L2和L5载波相位测量模糊度时不需其他特别条件。
Advantage of this technology is to identify the L1, L2 and L5 carrier phase ambiguity measurements without other special conditions.
在星载GPS载波相位测量中，周跳的探测与修复对最后的定位精度起着至关重要的作用。
In the course of satellite-borne GPS carrier phase measurement, cycle-slip detection and repair plays a very important role in the GPS station precision.
推导了三种载波相位观测量线性组合的模型：宽巷组合、窄巷组合和无电离层延迟的组合。
Three kinds of models of carrier phase observation value linear combination are deduced such as wide lane, narrow lane and free ionosphere.
文中通过测量载波相位进行定位的方法来解决焦炉车辆的定位问题，以达到无线定位的目的。
The method which is by means of measuring carrier phase for positioning has solved the positioning problem of coke oven machinery, therefore the goal of radio positioning has been realized.
对单个历元的双差载波相位观测方程进行零空间变换，避免了实时变化的三维位置参数求解；
It transforms the double-differential carrier observation equation using null space transformation so that it need not to resolve real-time three-dimensional position parameters.
深入研究了周跳检测与修复的原理，并且基于载波相位三差方程进行周跳检测与修复算法的研究。
With the help of carrier phase triple differential observation, the theory of detecting and recovering cycle slips is researched and an algorithm is developed.
并用这种理论应用在载波相位测量的改进上，以降低模糊度确定的复杂性，或用于时间传输技术。
This paper developed a new approach to improve GPS carrier phase measurement, for the purpose to reduce the ambiguity integer value or use it in time transfer technology.
应用推荐