对采用负压定径技术生产大管径聚乙烯管的挤出成型工艺及其主要设备进行了研究。
The extrusion molding process and main equipment for producing PE large diameter pipe with negative pressure sizing technology are studied.
该文提出一种新的实时虫洞寻径技术，它具有高性能、低造价的特点，支持同步多播。
A new realtime-based wormhole routing technique is presented, it can implement synchronous multicasting.
仿真结果表明这两种多径技术都能显著减少协议的路由开销，且IDSR-2的路由开销更小。
Simulation results show that both IDSR-1 and IDSR-2 can reduce routing overheads significantly. And the routing overheads of IDSR-2 are smaller than IDSR-1's.
文中根据该导线《技术条件》提出的特殊要求，论述制造厂应如何解决扩径导线制造中面临的新问题。
This paper presents ways to solve the new problems arising during the production of expanded conductors based on the special requirements specified in the technical specification of the conductor.
对面接触多阶变径组合航空拖缆研制中需解决的关键技术进行论述。
To expound the key technology needing to settle in the course of development of facial contacted combination aerial drag-cable with multi-steps diameter change.
与传统的单载波调制方式相比，OFDM技术可以有效地抵抗信道多径干扰，提高系统的传输速率。
Compared with the traditional scheme of single-carrier modulation, OFDM technology has more effective anti-jamming ability and achieves higher transmission rate.
采用虫孔切换技术容易造成互连网络寻径的死锁。
The interconnection networks which USES the wormhole switching technology can easily make deadlock.
在地质条件如此复杂的岩溶地区实施大洞径的导流隧洞的设计和施工，对设计思想和施工技术提出了更高的要求。
The design and construction of large-diameter diversion tunnels in such complicated geologic conditions call for high requirements of design thought and technology.
正交频分复用(OFDM)是一种新型调制技术，特别适合在多径传播的无线移动信道中高速传输数据。
OFDM (Orthogonal Frequency Division Multiplexing) is a new modulation technology, it is suitable to high-data-rate transmission in the wireless transfer channel with multi-path transmission.
本文介绍了广东液化天然气输气干线工程应用的清管测径试压技术。
This paper introduced the technology of pigging, diameter measuring & pressure testing for Guangdong LNG trunk-line.
在确定了管道的设计要求后，分析了分水缩径后的流速情况，明确了分水布置方式中支管缩径的技术状况。
After determination of the requirement for pipe design, the flow velocity of the manifold after reducing was analyzed, and the technology for branch reducing in layout of manifold was defined.
该定径机可为钢管企业的技术改造提供设备选型参考。
The mill is worth using as reference for technical upgrades of relevant tube makers.
根据张力减径过程的变形特点，采用组元建模技术，编写了弹塑性有限元计算程序。
Based on the characteristics of tube stretch-reducing process, the elastic FE calculation program is prepared by means of the constituent element modeling technique.
OFDM技术是一种可有效解决多径造成符号间干扰的传输手段。
OFDM technology is a kind of transmitting way to solve effectively the inter symbol interference caused by multi-paths.
但随着连续刚构桥跨径及桥高的不断加大，设计者也将面临越来越多的技术问题，连续刚构桥的温度效应分析便是其中一个。
As the result of continual increase of spans and heights of Bridges, designers have to have many technical problems to deal with, among which analysis of temperature effect is.
基于激光扫描检测技术，现采用激光球面反射扫描原理，提出了一种曲臂两臂轴径的激光非接触检测方法和测量系统。
Based on laser-scanning measuring technology, a laser non-contact measuring method of arm diameter for crankshaft and a measuring system by using the laser scanning principle are presented.
钢桥面沥青混凝土铺装是大跨径桥梁建设的关键技术之一，备受世界各国工程界的高度重视。
Bitumen concrete pavement, a core technology in big-span bridge, is deemed highly important by engineering circle of every country in the world.
当雷达在低仰角跟踪时，降低多径误差的阵列天线波束的形成技术，可消除或降低低仰角跟踪目标时的测量误差。
During radar tracking target in low elevation, the measuring error of tracked target was removed or reduced with array antenna beam forming technique that can reduce the multi-path error.
油井套管缩径连续扩胀整形技术是一项新技术。
Shaping reduced casing by continuous expansion is a new technique.
为了解决多径干扰对无线定位精度的影响，该文在传统的窄带相关技术的基础上，利用TK算子对其进行改进。
To solve the accuracy degradation of wireless location that results from multi-path fading, the paper improves the traditional narrow correlation technology using Teager-Kaiser (TK) operator.
大庆油田小通径套损井修复率低的主要原因是套损井段扩径、找通道技术不过关。
The main reason causing the low restoring rate of the small gauge casing damaged Wells in Daqing Oilfield is the inefficiency of drifting and reaming technology.
本文介绍光纤直径动态测量中采用的激光扫描技术以及纤径控制中采用的逐点比较式新技术。
This paper describes a laser scanning technique used for dynamic measurement of optical fiber diameter and a new point by point comparison-technique used for controlling optical fiber diameter.
介绍了连铸中间包定径水口快速更换与中间包长寿技术。
Technologies of rapid replacement of sizing nozzle and longevity of continuous casting tundish were presented.
同时，简支板梁桥又是小跨径桥梁最常用的桥型之一，因此，移动车辆荷载引起的简支板梁桥动力效应越来越被工程技术界所关注。
So the dynamic response of the plate girder bridge under moving loads are the problem which is concerned about all along, and also a project to be studied deeply.
本文从提高无线移动传输系统传输速率和对抗多径的角度，研究OFDM调制技术在无线移动通信中的应用。
The thesis researches the application of OFDM modulating technology on mobile communication based on improving transfer effect in limited band broad and overcoming Multi_path fading.
多径分量重叠衰落下的精确时延估计对很多系统而言都非常重要，对于定位技术更是如此。
Accurate time delay estimation of overlapping fading multipath components is vital for many systems, particularly for positioning technologies.
它具有极高的带宽和数据速率，而且抗多径能量特别强，因此特别适合室内密集多径环境，具有其它无线技术无法比拟的优势。
It has a very broad bandwidth, very high data rate, and is suitable for the indoor multipath environment. It is superior to other wireless technologies.
分析结果表明，与已有的OFDM系统在时变多径信道中的信道估计技术相比，所建议的算法可以有效地减小信道估计的误差。
The result shows that, compared with the existing channel estimation algorithms for OFDM system under time-vary multipath channel, the proposed algorithm can effectively reduce estimation errors.
因此有必要对大跨径桥梁施工控制技术进行更进一步的研究。
And it is necessary to do more research on the construction control technologies for the long-span prestressing concrete Bridges.
而传统使用长材刨片机、消耗大径级原木的技术，则成为历史。
Traditional way of using direct flakers which leads to consume large diameter logs becomes the history.
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