片语

Carrier Wave Phase载波相位

carrier-phase integrated载波相位组合

Carrier envelope phase shifting载波相位漂移

carrier beat phase相位

carrier beat phase measurement[通信]

carrier-phase difference相位差分

英汉例句

• considering the spread spectrum orientation systems using difference carrier phase to measure distance, this paper proposed a method for acquiring difference carrier phase by using pilot symbol.

  考虑利用载波相位进行测距的扩频无线电导航系统，该文提出了一种基于导引符号的两导航台载波差分相位的提取方法。

• advantage of this technology is to identify the l1, l2 and l5 carrier phase ambiguity measurements without other special conditions.

  这项技术的优点在于确定l1、l2和l5载波相位测量模糊度时不需其他特别条件。

• cascaded multilevel inverters which is controlled by triangular carrier phase shift technique is in the leading role of high voltage and high power ac variable frequency speed regulating.

  在高压大功率交流变频调速领域，级联式多电平逆变器目前处于主导地位，而三角载波移相控制技术又是其较适合的控制方略。

• 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。

• it systematic researched the method of definite in carrier phase ambiguity.

  系统地研究了载波相位整周未知数的确定方法。

• 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。

• first of all, educe the concept of integer ambiguity through the gps carrier phase measurement, and introduce a number of ambiguity resolution methods.

  首先，通过对gps动态载波相位测量的研究引出了整周模糊度的概念，并介绍了一些模糊度解算的方法；

• it is realized by combining two data processing methods, i. e. single point positioning method and carrier phase filtered method.

  这种处理方法主要通过两种数据处理方法的联合来加以实现：即单点位方法和载波相位滤波方法的联合。

• with the help of carrier phase triple differential observation, the theory of detecting and recovering cycle slips is researched and an algorithm is developed.

  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。

• 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蹤误差。

• on the basis of carrier noise power density rate (c/n0) of gps receiver, it analyzed the influence of suppressed jamming to carrier phase measuring accuracy of gps receiver.

  主要以gps接收机的载波噪声功率密度比（c/n0）为基础，分析压制干扰对gps接收机载波相位测量精度的影响。

• it is shown that code phase tracking error and carrier phase tracking error increase as the amplitude of multipath signal increases;

  码相跟蹤误差和载波相位跟蹤误差与多径信号的相位呈周期性变化；

• however, it is necessary to know ambiguities in carrier phase measurement. now, some methods to resolute ambiguities are put forward, but most of them are complex and need quite time to do that.

  但载波相位测量需要确定整周模糊度 ，现在已探索出多种解算整周模糊度的方法 ，但这些方法都比较复杂而且需要一定的解算时间。

• such a system is discussed in this paper, and the corresponding error model and measurement model, especially double-differenced gps carrier phase model are set up.

  针对全组合系统进行了研究，建立了相应的误差模型和系统观测模型，特别是组合系统下的gps载波相位双差观测模型。

• 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.

  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。

• v&v algorithm is a kind of classical open loop carrier phase recovery algorithm which is widely used in burst digital communication.

  算法是一种经典的开环载波相位估计算法，在突发数据通信中应用广泛。

• with great improvements had been made and applied to position with carrier phase and internet broadcast, searchers have done more further to model the corrections of gps, which been sent to users.

  随着载波相位观测技术与网络通讯技术的发展与成熟，对于区域内gps改正数模型化并通过网络传播于用户的研究亦已取得相当的成果。

• in order to obtain high precision positioning and navigation results with gps, cycle-slip in carrier phase observations must be correctly and quickly detected and corrected.

  为了获得高精度的导航定位结果，必须对载波相位中的周跳进行快速準确地探测与修复。

• in high-rate digital mobile burst communication, it is important to acquire the symbol timing and carrier phase offset rapidly.

  在高速数字突发通信中，需要快速、高效地对接收信号的位定时和载波初始相位信息进行估计。

• the influences of timing offset and carrier phase offset on the performances of mpam and mqam are analyzed.

  文中分析了同步偏差即定时偏差和载波恢复相差对mpam和mqam接收性能的影响。

• for multiple-antenna qam systems, a carrier frequency offset detection algorithm that has low complexity is proposed. the algorithm could be combined with carrier phase offset detection algorithm.

  针对多天线qam系统提出一种低复杂度载波频偏检测算法，这种算法可以与载波相偏检测算法有机地结合在一起；

• in this paper, a novel carrier phase recovery method based on the adaptive step algorithm is introduced, corresponding to the disadvantage of the fixed step in the old method.

  本文针对该方法中步长固定的缺点，提出了一种基于自适应步长的载波相位恢复方法。

• 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.

  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。

• cascaded-inverters are one of the popular research issues in the field of high-voltage and high-capacity inverters, and the carrier phase shifting spwm technology is a very popular method.

  级联型变流器是目前中高压大容量变流器的研究热点之一，载波相移spwm技术是级联型变流器普遍采用的方法；

• a comprehensive comparison of the algorithms of gps carrier phase ambiguity resolution is discussed.

  比较了现有的gps载波相位模糊度解算方法。

• based on the establishment of carrier phase sub-models, the paper discussions the gps attitude measurement principle in detail.

  在建立gps载波相位差分模型的基础上，详细论述了gps姿态测量原理。