upf的例句大全

Introducing the UPF algorithm in the time-varying channel estimation field, A time-varying channel estimation method based on the UPF algorithm is proposed in OFDM system.

将UPF算法应用到OFDM时变信道估计领域中，提出了一种基于UPF算法的OFDM时变信道估计方法。

互联网摘选

By modeling the time-varying channel for first-order AR model with certain parameter, channel states are estimated dynamically from the observed equation by using the UPF algorithm.

该方法将时变信道建模为&阶确定参数AR模型，然后利用UPF算法，结合观测方程动态地估计时变信道状态。

互联网摘选

In this article, the chemical component, crystal structure, mechanical properties, thermal shrinkage properties and UPF of BOPET, which is prepared from PET/ nano-TiO2 composite resins synthesized by the method of formation in situ, have been studied.

研究了以原位生成法合成的PET/纳米FiO2复合树脂为原料制备的双向拉伸薄膜（BOPET）的化学组成、结晶结构、力学性能、热收缩性能和紫外线屏蔽能力。

互联网摘选

Deposition of SnO_x Ultrafine Particle Films ( UPF) by DC Gas Discharge Activated Reactive Evaporation

直流气体放电活化反应蒸发沉积SnO x超微粒子薄膜

互联网摘选

On the basis of the ZnO UPF sensitized by rhodamine B, sodium and copper salts of chlorophyllin, etc, the photoelectrochemical solar cell has been fabricated.

采用罗丹明－B、叶绿素铜钠盐等染料对ZnO超微薄膜进行敏化，制作了光电化学电池。

互联网摘选

But if you stay outside for a longer time, settle for UV umbrellas or UV parasols that are labeled UPF 50+ or above, according to Buzzle.com, a general information website 。 2.

但是，根据综合信息网站Buzzle.com的建议，如果在户外停留时间较长，应该选择防晒系数至少为UPF50+的防紫外线伞或遮阳伞。

互联网摘选

the results show that fabrics treated with the finishing agent had excellent uv resistance, increased upf, and good soaping fastness.

结果表明，整理后的棉织物抗紫外线性能优异，U PF值大幅度增加，且皂洗牢度好。

互联网摘选

the fabrics therefrom had splendid screening effect against uva and uvb and ultraviolet protection factor ( upf) value above 50.

织物对UVA，UVB波段的紫外线具有优异的屏蔽效果，抗紫外因子（UPF值）可达50以上。

互联网摘选

just like sunscreens, parasols are categorized with an ultraviolet protection factor ( upf) level indicating their ability to block ultraviolet rays ( uv).

和防晒霜一样，遮阳伞也有紫外线防护系数（UPF）等级，用于表明阻挡紫外线效果的好坏。

互联网摘选

the ultraviolet penetration proportion and ultraviolet protection factor ( upf) of different kinds of thickness and percent cover of flax and its blend fabrics were studied.

测试了不同纱细度、不同覆盖系数的亚麻及其混纺织物的紫外透过率和抗紫外指数（UPF值）；

互联网摘选

Fundamental Active Current Detection Based on UPF and it's Implementation in DSP

基于UPF基波有功电流检测的DSP实现

互联网摘选

Real time detection approach of harmonic and reactive currents based on UPF

基于单位功率因数的谐波和无功电流实时检测方法

互联网摘选

The video tracking based on UPF and BP neural network

基于UPF-BP神经网络的视频跟踪研究

互联网摘选

A New Mobile Robot Location Method Based on UPF

基于UPF的移动机器人定位新方法

互联网摘选

The UPF of a textile fabric is determined by the chemical structure of its constituent fibres and by its structural characteristics.

纺织物的UPF值是由组份纤维的化学结构及织物的组织结构特性所决定的。

互联网摘选