单频的

In this dissertation, GPS baseline solution precision is analyzed since the following aspects: 1, Different length baselines are processed and analyzed by single frequency model and ionosphere free model. 2, Basing on current single point positioning precision, certain coordinate error is added into fixed points to study the result. 3, Baseline is processed and analyzed with different observation vectors and their lineal combination models. 4, 24 hours observation was divide up to process baseline.

本文从以下几个角度研究了影响GPS基线解算精度的因素：1、采用单频和消电离层模式对不同长度的基线分别解算，对处理结果进行分析。2、根据目前单点定位精度给起始点加上适当的坐标偏差，研究起始点坐标偏差对基线处理结果的影响。3、选用不同的观测值及其线性组合，对基线解算结果进行研究。4、对24小时观测的数据分时段处理，分析观测时间段对基线处理结果的影响。

With the development of laser techniques , 1.5μm high power continuous wave single-frequency laser has been used for scientific research and other fields.

随着激光技术的发展，1.5μm高功率连续单频激光光源被广泛应用于生产、科研等各个领域。

The experiments of single frequency fiber ring laser with mode selection by fiber Bragg grating Fabry-Perot etalon have been performed.

进行了以光纤光栅法布里-珀罗标准具为外腔选模器件的环形腔单频光纤激光器实验研究。

From the point of view of absorbing the vibration energy of flexible rotors, the displacement feedback control law is proposed for single-frequency forced vibration.

从吸收横向振动能量角度出发，推导出在单频激振力作用下的位移反馈控制。

Dynamic sing-mode tuning of a FRSLs is realized at repetition frequencies well above one gigahertz.

在国内首次实现高重复率下的动态单纵模调谐，得到稳定的单频光脉冲输出。

In order to reduce calculation error, the frequency distribution of average values is used to compute the mixed distribution's digital features of each component distribution, thereinto, the number of the component distribution is determined by AIC, choose the number that meets the minimum value of AIC as the component number of mixed distribution, and the other parameters are estimated by EM algorithm; Secondly, because each component distribution is corresponding to a kind of major gene genotype, according to the values of the average and variance of the each component distribution, we can use the limit error of the normal distribution to plot each individual into the correspondent component distribution, namely into correspondent major gene genotype. Then we regard each major gene genotype as a treatment level of one-way analysis of variances, and the one-way multivariate analysis of variance is carried out to calculate the covariance matrix of major gene effect, covariance matrix of polygene effect, covariance matrix of environment effect and so on; At last, combining the weights of the each component distribution of mixed distribution, we can calculate the variance of major gene effect, the variance of polygene effect, environmental variance and the genetic gain of the quantitative trait.

为减小计算误差，本研究采用均值的频数分布来计算各成分分布的数字特征，其中成分分布个数根据AIC准则，选择使AIC值达到最小的成分分布个数作为混合分布的成分分布数，分布中其它参数的确定利用EM算法来估计；其次，每个成分分布对应一种主基因基因型，根据各个成分分布的均值和方差，利用正态分布的极限误差将每个个体划分到相应的成分分布中，即相应的主基因基因型中，将每种主基因型作为单因素方差分析的一个处理水平，对其进行单因素的多元方差分析，分别计算主基因效应协方差阵、多基因效应协方差阵、环境协方差阵等参数；最后结合混合分布中各成分分布的权重即各主基因基因型的分离比例，计算主基因效应方差，多基因效应方差和环境方差，以及遗传力等参数，进而计算该数量性状的遗传进展。

Diode pumped monolithic nonplanar ring laser has the advantages of compactness, reliability and high efficiency.

激光二极管抽运的单块非平面环形腔固体激光器具有结构稳固、效率高等优点，在一定的纵向磁场作用下，可形成单向行波振荡，纵向抽运时就可得到较高功率的单频输出，有广泛的应用前景。

The analysis of sensing theory, deducing mathematical model and the simple and multi disturbance test are performed.

分析了传感原理，推导了数学模型，表明测量误差与解调电路的频率响应有关，并进行了单频和多频扰动的实验研究，实验证明了理论分析的正确性。

Molecular iodine has several hundred strong absorption lines near 532nm,several absorption lines were observed by using single-frequeny Nd:YVO4/KTP laser. There are new absorption lines which are not included in the nine groups recommended by CCDM in 1997.The wavelengths of these lines have been measured and the frequency stabilization investigated.

碘分子在532nm附近有上百条强的吸收谱线，采用单频Nd：YVO4／KTP激光对碘的一些吸收谱线作了观测，并进行了激光频率稳定的研究，这些吸收谱线是1997年9月国际米定义咨询委员会推荐作为频标的9组532nm碘吸收谱线之外的新的参考谱线。

In terms of code and phase observables and their observational equations, code multipath observation is derived and discussed.

其中伪距观测值中的多路径效应的分析又分为单频接收机和双频接收机两种情况进行了讨论；而相位观测值中的多路径效应的相关分析是利用相对定位的平差残差进行的。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。