Shortwave antenna tuning coupler is an important part of shortwave communication systems. This paper introduces a tuning algorithm of shortwave antenna tuning coupler based on vector impedance measuring module. With this algorithm, some improvement has been made for the performance of shortwave antenna tuning coupler.

Tuning algorithm of shortwave antenna tuning coupler based on vector impedance measuring module

基于矢量阻抗测量模块的短波天线调谐算法

Design of a Novel Automatic Antenna Tuning Coupler in HF Communication

一种新的短波自适应天线调谐器的设计

The paper set up the equivalent circuit model of the rotary type coupler, and analysed that the coupler can be simplified to a magnetizing inductance and a leakage inductance in series.

针对旋转型耦合器，建立了耦合器等效电路模型，指出耦合器可等效为漏感与励磁电感串联。

There's a spare ammonia tank assembly, a spare flex hose rotary coupler, several remote power control modules and even a spare arm for the Special Purpose Dexterous Manipulator.

也有备用氨储罐群，一个备用的伸缩软管旋转耦合器，几个远程电源控制组件，甚至有一个用于专用灵巧机械手的备用手臂。

Failure and Treatment Measure of HX_D2 Locomotive ′ s Big Capacity Buffer with Coupler

HX D2机车车钩大容量缓冲器存在的问题及解决措施

Design of a fiber-optic cable coupler for high power YAG laser scalpels

用于高功率YAG激光手术器的光纤光缆耦合器的设计

Development and application of the wireline quick coupler

钢丝绳快装接头的设计与应用

Gold plating process for electric coupler

电连接器镀金工艺

Based on the full analysis of the fields of the present research on the reverse engineering with home and foreign documents, this paper takes the wax model of Coupler knuckle lock as the object to do some in-depth research about the reverse engineering of complicated surface products.

本文在全面分析国内外逆向工程领域研究现状的基础上，以钩锁铁蜡模样件作为应用对象，对复杂曲面产品的逆向设计进行了深入研究。

Reverse Engineering Based Geometry Model for Alliance Coupler Lock and Drawbar; Breaking Reason Analysis of Coupler Yoke Bolts on Coupler Draft Gears for Railway Freight Cars

ALLIANCE车钩钩锁铁与牵引杆的几何反求研究铁路货车钩缓装置钩尾扁销螺栓断裂原因分析

Coupler lock device applied to crimping operation of detonator on the basis of photoelectric sensor

基于光电传感器的雷管卡口自动闭锁装置

A coupler lock device applying to the detonator crimping operation is designed, and the test and data analysis on the photoelectric sensor are carried out.

介绍国内外雷管卡口工序现状及存在的缺陷，文中设计了一种雷管卡口工序自动闭锁装置，对光电传感器进行了试验和数据分析。

Developing the special signal coupler for the automobile carrier communication system.

研制了汽车电力线载波通信专用的信号耦合器。

The cause and result of circle point curve degeneration were discussed. With the help of degenerated circle point curve and Euler Savary equation, a method to synthesize four bar linkage, whose coupler curve has four infinite points contact with its tangent, was presented.

分析了曲率驻点曲线蜕化的原因和结果，利用蜕化了的曲率驻点曲线和欧拉-萨法利方程得到了综合四杆直线机构的公式。

Four-bar Linkage Designing and Coupler Curve Redemonstrating

平面四杆机构连杆轨迹复演及设计

On Symmetrical Double Crank Geared Five Bar Mechanism Coupler Curves and Their Applications

对称双曲柄齿轮五杆机构连杆曲线及其应用

The behavior of BAR coupler in color photographic material and their synthesis

BAR成色剂在彩色照相材料中的作用及其制备

A Variable high power directional coupler for S band is described in this paper. The coupler consists of two 3 dB couplers mounted in cascade and a phase shifter. inserted between the connecting legs of the 3 dB couplers.

文章介绍了由两个3dB耦合器串联，并在其中两个输出支路插入移相器所组成的S波段高功率可变定向耦合器。

Optimizing design of variable metal mesh coupler for the HCN laser

用于HCN激光器耦合输出的F-P腔的优化设计

Development of variable speed coupler reduction box for drilling machine in oil-field "Technical specifications of springs for fuel pump, governor and injecter of diesel engines"

油田钻机用调速型偶合器减速箱的研制GB/T2940-1982柴油机用喷油泵、调速器、喷油器弹簧技术条件