针板

基于改进HOUGH变换的针板线性边缘检测

Needle plate linearity border segment detection by improved hough transform

图案和针板之间的线的总称，人们形象地成为鸟巢。

Birdnesting-Collection of thread between goods and needle plate resembling a bird 's nest .

大功率针板放电式CO2激光器的放电稳定性

Discharge Stability of High Power CO_2 Laser with Pin-to-flat Discharge

本文考虑了电子密度、电子温度、气流速度、气温、弛豫及激发速率等重要物理量沿流向的分布。给出了横流针板放电CO2激光器特性参量的理论计算模型。

A theoretical model is proposed to calculate the working parameters of transverse flow pin-to-plate discharge CO2 lasers taking into consideration the distribution of the electron density , electron and gas temperature , gas velocity , excitation and relaxation rates in the flowing direction .

为设计合适的场击穿型TVS，进行了真空中板板和针板实验研究，获得不同间隙距离和大气压强情况下击穿电压的变化规律。

For the proper design of field-breakdown TVS , the plate-plate and needle-plate experiments in vacuum are done . We obtained the changing pattern of breakdown voltage under different gap distances and atmospheric pressures .

并提出了一种采用Sobel变换、骨架提取以及Hough变换相结合的技术进行针板状纹理成分识别的方法，实验结果表明，该方法是有效的。

And with Sobel edge detection , Skeleton Extraction , Hough Transformation another method is proposed on the recognition for needle like or striation texture ingredient . The experimental results show that the methods proposed in this paper are efficient .

打印机头导针板孔位置设计

Design of Needle Hole Position on Guide Board in Printer Head

电荷耦合器件光电二极管传感器针板电极荷电液体射流不稳定性分析

Analysis of Instability for Charged Liquid Jets with the Needle-plate Electrodes

计算机高级语言在针刺机针板杂乱布针中的应用

Application of Computer Advanced Language in Random Needle Arrangement in Needle-punched Machine

水针板清洗技术的理论探讨

Theoretical investigation of cleaning technique for the water needle plate

针刺机针板及刺针对产品的影响

The Influence of Needle Board and Needles in Needle Machine to Product

省力式上盖及针板，待测板取放容易。

Leverage upper cover and probe plate for PCB easy placing and picking .

选用适当的缝针与针板孔的配比关系；

Giving coordination of needle and sewing board hole ;

通过针板针电极放电实验证实了上述串联脉冲放电过程。

The electro-pulse discharge process was verified by a set of pin-plane-pin electrode device .

针板布针设计浅谈

Discussion About the Design of Needle Board

预针刺机针板刺针排列设计的最优化方法

The optimum design for the arrangement of needles on the needle board of pre-needling machine

结合针刺布生产工艺探讨针刺机针板布针问题

Combine the producing process of punched non-woven fabrics probe into the arrangement of needles in needle machine

计算机主要外部设备矩阵打印机头中导针板的针孔合理设计是能打印出复杂的图形和汉字的关键部件。

The rational design of the position of needle holes on the guide board in matrix-type printerhead is studied .

该定型机以传统的定型机为基础，对拉幅装置做以改进，设计出了独具一格的针板拉幅装置。

It based on the traditional setting machine , improved the tentering device and designed unique needle plate stretching device .

本新型具有能快速而准确地获得活动针板依需向左或右位移的位移量。

The utility model has the advantages that the utility model can rapidly and accurately achieve the left or right displacement displaced by the moving needle plate according to the demand .

详细介绍了水针板高压清洗技术的清洗机理，清洗方法和技术优点，并对运用超声波技术和激光技术清洗水针板进行了分析。

The cleaning mechanism of the high-pressure water cleaning technology for the water needle plate was elaborated as well as its method and advantages . Ultrasonic and laser cleaning technologies for it were also discussed .

本文在通过对等离子体理论及其反应机理进行分析的基础上，采用湿式针板电晕放电反应器结合旋转火花隙开关式高压脉冲电源的试验方案，来探讨非平衡等离子体改善柴油机排放的规律。

Based on the reaction mechanism of plasma theory and the basis of the analysis , Wet needle plate corona discharge reactor combined rotary spark gap switches high voltage pulse generator pilot program to explore non-equilibrium plasma improve diesel emissions laws .

实验中我们使用了三种电极结构（星形线板，针板和板板）和不同波形的高压如正高压、负高压、正脉冲、负脉冲和交流高压等。

Three different electrode geometries ( star shape wire-plate , needles - plate and plate-plate ) and varied forms of voltage such as positive high voltage , negative high voltage , positive pulse voltage , negative pulse voltage and alternative voltage were tested .

另外，也有众多学者和工程技术人员在研制新型感应式带电显示装置方面做了大量工作，近年来出现了一种针板结构形式的带电显示装置，结构简单，安装方便，但功能单一。

A lot of work has been done by scholars and technical engineers in the research of new induction presence indicating devices . In recent years presence indicating devices with needle-plate structure have been developed which are simple and can be installed easily .

在针板上面、针孔上端、中压脚（压脚面）的3点对齐的位置，转动上送布凸轮，然后固定。

Turn the top feed cam until it reaches the position to allow the three components such as the throat plate surface , top end of needle eyelet and presser foot ( pressing plane ) to align , and fix the cam at that position .

通过实验和理论分析，我们认为，针板放电回路可以由一个振子天线来等效，并且随着辐射电磁波的波长与环形回路周长的比值不同，电磁波的特性也有所不同。

Through experiment and theory , we can conclude that electromagnetic wave radiated from spark discharge of a closed loop is radiated by equivalent dipole antenna , and with the difference of ratio of wavelength to girth , the characteristic of electromagnetic wave is also different .

用Monte-Carlo法计算正针负板冲击放电电场的X射线辐射剂量

Calculation of X Ray Radiaton Dosage in Positive Rod Plane Gap by Monte Carlo Method

针-板脉冲活化放电场对NH3和C3H6活化是有效果的。

The main experimental conclusions are summarized as follows : 1 . The needle-plate pulsed discharge activation field had good effect on the activation of ammonia and propylene .

得到了电晕放电H2O、NH3活化装置设计方法：①电极结构选择多针&板电极结构，针电极和板电极平行。

The design methods of the water & NH3 activation equipment is : ( 1 ) Multi-needle electrode configuration was selected and the needles are paralleled to the plate electrodes .

本文利用电子光子MonteCarlo方法模拟单个电子入射阳极后的游动厉史，运用不同的电极材料，计算了正针负板电极在不同的冲击电压作用下所产生的X射线的能量分布及角度分布。

In this paper the moving process of electrons injected into anode is simulated by Monte Carlo method , and the radiation energy spectrum , angle distribution in positive rod plate gap with different voltage and different electrod materials are calculated .