查询词典 power transmission tower

Due to its large structural size,long crossarm and heavy weight of components, the construction of tower assembling and erection for 1000kV AC power transmission becomes more difficult.

kV特高压输电线路铁塔结构尺寸大、横担长、部件大，使得特高压线路组塔施工难度加大。

Hence, it provides the basis for the calculation and selection of design model of the power transmission tower.

该研究分析为输电铁塔设计模型的计算与选择提供了依据。

In this paper a software system for the analysis and optimal design of power transmission tower and the application of UML in developing its preprocess part have been introduced.

本文简单介绍高压输电铁塔设计与分析软件系统和统一建模语言UML在开发系统前处理系统中的具体应用。

By using of finite element analysis software ANSYS and taking the power transmission line crossing over the Pearl River as the background of research, under the condition that the viscous-damper energy dissipater and Tuned Mass Damper are arranged or not on the transmission tower, the displacement and the acceleration of the tower are compared and analyzed under the three-dimensional earthquake waves.

利用有限元分析软件ANSYS，以跨越珠江的输电线路工程为研究背景，在输电塔上布置粘滞消能阻尼器和调谐质量阻尼器(tuned mass damper，TMD)，对比分析了在三向El-Centro地震波作用下有、无减震控制措施的输电塔位移和加速度地震响应。

The methods of model building and dynamic analysis for guyed mast in this dissertation are also suitable for the power transmission tower.

本文的桅杆结构建模与动力分析方法也适用于输电线塔结构。

Since the determination of dynamic load is difficult especially for structures with a great many degrees of freedom and nonlinearity such as guyed mast and power transmission tower,few researches have focused on this problem.

动态荷载的确定是一个较难的问题，自由度多且具有非线性的桅杆、输电线塔结构的动态荷载识别更少有人涉足。

Base Station type Software versionTypes of carrier frequency board adoptedTypes of combiner adoptedWhether had obtained the network license or notIndoor type or outdoor type Whether the master port is separated from the remote-port The maximum carrier frequency capacity of single cabinet The maximum supportable sector numbers of single cabinetWhether it is dual-carrier frequency board or notMust it be paired configuration if it's dual-carrier frequency board (namely, the type of single carrier frequency station could only configure the dual-carrier frequency on hardware) The maximum achievable configuration of a single station of the single cabinetReceiver sensitivity The maximum expand capacity of a single base station (the maximum number of TRX in configuration / the number of cabinets which is required)(fill in according with the three sectors) Top box transmitted power (given separately a grade one combine and a grade two combine) The maximum output power of amplifier (voice, a single logical carrier frequency) The maximum output power of amplifier (EGPRS, a single logical carrier frequency)Whether it has tower-interfaceWhether it has built-in lightning protectionWhether it support the ultra-long cover / whether it need for software support (give simple description that how hardware and software could achieve this) The supporting condition of EGSM (it should be supported including by the carrier frequency, combiner) Dual-band carrier wave (whether it supports the mixed use of 900 M/1800M in the same cabinet) The commonality of duplicate parts Whether it can built-in transmission unitThe single cabinet size (high × width × deep) Installation method Whether it can place against the wallThe basic frame full-configured weight and the supportable number of carrier frequencyThe expansion frame full-configured weight and the supportable number of carrier frequency

基站型号软件版本号采用载频板型号采用合路器型号是否已取得入网许可室内型or室外型是否是主远端分离单机柜最大载频容量单机柜最大支持的扇区数是否是双载频板如是双载频板，是否必须成对配置(即单载频站型只能硬件配置双载频)单机柜可达到的单站最大配置接收机灵敏度单基站最大扩展能力(最大配置TRX数/需机柜数)(按3扇区填写)机顶发射功率(分别给出一级合路与两级合路)功放最大输出功率功放最大输出功率(EGPRS，单个逻辑载频)有无塔放接口有无内置避雷装置是否支持超远覆盖/是否需要软件支持(简单描述软硬件如何实现)EGSM支持情况(包括载频、合路器均应支持)双频段载波（是否支持900M/1800M在同一机柜内混合使用）备件通用性是否可以内置传输单元单机柜尺寸安装方式可否靠墙放置基本架满配重量及支持载频数扩容架满配重量及支持载频数是否支持基本架与扩容架跨扇区满配功耗满配时重量供电方式机柜进出线方式合路器损耗合路能力：几合一单扇区最大支持几载频合路到一副天线/采用几个合路器单扇区载频达到需要增加一副天线时，是否支持两级合路换以不增加天线如两级合路插损为是否支持基带跳频和合成跳频每单个合路器在从低载频数向高载频数扩容时，是否还需要增加硬件可用性指标MTBFMTTR系统中断服务时间硬件是否支持EGPRS本次报价软件版本号开始支持EGPRS的软件版本号其他特点注： 1 应分别填写出来按照本次报价要求所采用的全部BTS型号和采用的合路器型号 2 列出本报价要求的全部室外型基站与高功放单元

A typical power transmission tower was numerically analyzed. The rigid frame model and mixed model with beam and truss were established. And the influence of two models on the internal force and deformation is obtained from the computing results.

以某典型输电铁塔为背景，采用数值分析方法，进行了梁桁泥合模型与刚架模型的建模，并对计算结果进行对比分析，得出两种模型对于输电塔杆件内力和变形的影响规律。

The theory is then applied to damage detection of power transmission tower.

然后将该小波变换方法应用于大型输电铁塔的损伤位置识别。

The transmission tower is important structure equipment in the system of electric power.

本论文主要研究已腐蚀输电杆塔的涂漆防护技术。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。