钟差

词组短语

clock correction · clock error

与钟差相关的网络例句 [注：此内容来源于网络，仅供参考]

Instead of it, the thesis develops a method that relative clock error is used to replace the above absolute clock error.

最后分析了采用不同数据计算的卫星钟差结果。

The theory and algorithm of time synchronization about LEO are discussed with the key technique in many ways. On the basis of Bernese 5.0 GPS Software, onboard GPS receivers clock error about GRACE is processed, and the results-specific analysis is computed.

研究了利用星载GPS接收机进行低轨卫星与卫星时间同步，探讨了其中的关键技术，以Bernese 5.0软件为基础，对GRACE卫星的星载GPS接收机钟差进行了解算，具体分析了解算结果。

The satellite position and clock offset at any time can be gained through interpolating precise ephemeredes using CHEBYSHEV polynomial coefficients.

在计算中，通过对精密星历采用切比雪夫多项拟合的方法可计算卫星任意时刻的卫星位置和钟差。

The results show that GPS ground tracking data can be used for estimation of high rate satellite clock errors.

结果表明，利用地面跟踪站的GPS观测数据，可高精度、高密度地估计GPS卫星钟差，估计精度可达0.1～0.5ns。

But for GLONASS, the double difference equation contains the receiver clock parameter. This made the solving of integer ambiguity of double difference more complex.

对于GLONASS卫星，由于站星双差中含有接收机钟差项，使得双差模糊度的求解变得复杂。

The mathematical models of the delay of the GPS signal in the circumstance are put forward respectively. The computation of orbital arc of the two satellite constellations is based on two body problem and perturbations models. An algorithm based on the IRI model and thin layer model is used to simulate the ionospheric delay of the GPS signal. The error models of observation, multipath, relativity and antenna phase center bias are also researched. Under the consideration of the autocorrelation of the electronical measurements, the autoregressive model of time series is introduced into the noise models.

在信号仿真中，研究了利用二体运动和摄动法计算LEO卫星至GPS卫星星座的几何距离的问题；在信号的误差模型中，研究了电离层时延的IRI2001模型和单层投影模型；讨论了观测误差、多径效应、相对论效应和天线相位中心偏移的误差模型；结合电子测量噪声的具有自相关特性的经验，研究了观测误差的AR模型；结合实测数据分析，讨论了接收机钟差和卫星钟差的误差建模问题。

And in the future, more IGS products with increased precision and timeliness will be provide by IGS.

而在卫星钟差估计或精密单点定位中，钟差是作为未知参数处理，这时必须顾及钟差的随机模型。

This paper compares the position and clock offset of the satellites insight obtained from the broadcast ephemerides file five days prior and posterior to the cancel of SA policy on WUHN station with that provided by final IGS precise ephemerides.

利用全球GPS永久性跟踪站WUHN站在SA取消前后五天的广播星历文件计算得到在视卫星的位置和钟差，与事后IGS精密星历提供的卫星位置和钟差进行比较分析，说明SA取消对广播星历的影响。

The precise satellites clock error estimation algorithm of navigation satellites is studied in this paper. The computation of precise satellites clock error based on the non-difference phase is realized and the results are compared with the products provided by IGS analysis centers.

研究了导航卫星精密钟差的估计算法，编程实现了基于非差载波相位的精密卫星钟差的解算，并同IGS若干分析中心提供的精密钟差产品进行了比较。

The accuracy of receiver clock parameter got from point positioning is not high enough to be introduced into the double difference equation. In order to get the accurate receiver clock error, high quality cymometer will be needed, while this is not applicable for the real work.

由于用伪距求得的接收机钟差不能满足精度要求，要想精确求得接收机钟差，需要高精度的频率计，这在实际应用中难以做到，而求解参考卫星站间单差模糊度的方法则是可行的。

与钟差相关的网络解释 [注：此内容来源于网络，仅供参考]

audibility：可闻度

来体现中华民族从古至今16个历史时期悠久的文明和即将到来的21世纪的时代精神-和平、发展在音位结构上,18枚钟都应视为具有固定音高的演奏乐器,其音域从C到#f,半音齐全,其频率值从65Hz到185Hz,属于低音范筹,其中可闻度(Audibility)较差RQKHH在110Hz以下的钟有11枚,

beat sb.'s head off：彻底胜过某人

beat sb. on the post | 以一肩之差胜过某人 | beat sb.'s head off | 彻底胜过某人 | beat screws | (钟)节拍螺钉

normal curve：正态曲线

记为:则其概率密度函数为正态分布的期望值μ决定了其位置,其标准差σ决定了分布的幅度. 因其曲线呈钟形,因此人们又经常称之为钟形曲线. 我们通常所说的标准正态分布是μ = 0,σ = 1的正态分布. 1.正态曲线(normal curve)在横轴上方均数处最高.

ordinal numeral：序数词

表示顺序先后的数词叫做序数词(ordinal numeral),如:first,second等. 注:用倒读法时,注意past, to的用法:前半小时包括整半点30 (half) 用"已过分钟 past 已过点钟";后半小时用"还差分钟 to 将到几点钟". 副词(adverb)是用以修饰动词、形容词、其它副词以及全句的词,

thermonuclear：热核

虽然仍然面临核武及全球暖化的威胁,但"原子科 学家公报"的科学家们认为目前人类面临的形势比过去更有"希望". 世界末日钟距离午夜最近的时刻是1953年,当时的指针仅差两分钟就到午夜,因为美苏两国在九个月内相继进行了热核(thermonuclear)装置的试验.

clock correction：钟差;时钟校正[量]

clock comparison 时钟比对;对钟 | clock correction 钟差;时钟校正[量] | clock dial 钟面

clock offset,clock correction：钟差

02.301 伪距测量pseudo-range measurement | 02.303 钟差clock offset,clock correction | 02.304 钟速clock rate