Spread spectrum communication uses much larger bandwidth than original information using pseudo noise ( PN ) sequences .

Acquisition of PN code is an important and challenging technique in SS communication.

PN码的捕获是扩频通信系统中的一项重点和难点技术.

pneumatic tools

风动工具

Experience for finishing equipments like pneumatic pump and spraying machine or paint would be an advantage.

具备工业涂装行业如:油漆输送泵,喷涂设备及油漆应用经验者优先.

Much of their study and revision was done to the thud of hammers and pneumatic drills.

他们学习和复习时大多都伴着锤子和风钻沉闷的敲击声。

Operation Methods: Handle, Worm Wheel, Electric, Pneumatic , Hydraulic, Electric & Hydraulic .

操作方式: 手柄, 蜗轮, 电动, 气动,液动, 电液 动.

a pneumatic tyre

充气轮胎

Pneumatic system is lubricated automatically. The service life of the product is long.

气动系统自动润滑. 产品使用寿命长.

Open the form of electrical, pneumatic, worm gear, gear and so on.

开启形式有电动 、 气动 、 蜗轮 、 伞齿轮等.

Main exports machinery products, welding products and pneumatic products.

主要出口机械类产品 、 焊接类产品和气动类产品.

a pneumatic pump

气动泵

...pneumatic tyres.

充气轮胎

The control mode is subdivided into single and double control, single and double pneumatic control.

功能细分为二位三通和二位五通,控制方式细分为单、双电控和单、双气控.

Pneumatic negative pressure suction machine is only suitable for powder material.

气力式负压抽吸机只适合粉状散装物料的卸船.

Instead, the a pneumatic separation system, which can be tested on the ground.

取而代之的是气动分离系统, 它的测试可在地面进行.

pneumatic tyres

充气轮胎

Want to buy Pneumatic component, pneumatic cylinder, fitting , solenoid valve, tube, silencer, air preparation, filter.

想买气动元件, 气缸, 装置, 电磁阀, 管, 消声器, 空气编制, 过滤器.

...the sound of a pneumatic drill hammering away.

风钻钻个不停的轰鸣声

A new type of pneumatic actuator, pneumatic spherical joint is studied in this thesis.

本论文研究了一种新型的气动执行器—柔性气动球关节.

The invention of pneumatic drill . This device compressed air to bore holes in the rock.

风钻的发明. 这种工具用压缩空气在岩石中打洞.

The noise from that pneumatic drill outside gets on my nerves.

外面风钻的噪音真使我心烦.