condenser microphone

Sensitivity analysis for silicon condenser microphone

硅微电容式传声器的灵敏度分析

The hardware of the tester is composed of FPGA chip by Xilinx , high-speed AD converters by Linear Technology , LED display , SD memory card , and condenser microphone , which complete noise signal acquisition , data display and save .

测试仪硬件由Xilinx公司的FPGA芯片、LinearTechnology公司的高速AD转换器、LED显示屏、SD存储卡、电容式传声器组成，完成噪声信号的采集、数据的显示和保存。

A new technique to fabricate silicon condenser microphone is presented .

提出了一种新的工艺方法制备硅基电容式微传声器。

Recognition of The Image Feature of Electret Condenser Microphone Using BP Neural Network

BP神经网络对驻极体麦克图像特征识别的研究

Applications of Porous Silicon in Fabrication Technology of Condenser Microphone

多孔硅在电容式微传声器制备中的应用研究

Research on the System for the Automatic On-line Visual Inspection of Electret Condenser Microphone

驻极体麦克风在线自动视觉检测系统的研究

A condenser microphone always has the same output level as a dynamic microphone .

电容话筒的输出电平和动圈话筒一样高。

A Simple Method for Calibrating the Sensitivity of Φ 12.7 mm Condenser Microphone

Φ12.7mm测试电容传声器灵敏度的一种简易校准方法

Study on De-noising to Electret Condenser Microphone Image Signal

驻极体麦克质量检测中图像信号背景去噪研究

Fabrication of a Novel Structural Miniature Silicon Condenser Microphone

一种新结构微型硅电容式麦克风的研制

The KM-3 is a small diaphragm end address condenser microphone .

知识管理-3是一个小振膜电容式麦克风结束地址。

Finally , the silicon condenser microphone with this anti-stiction structure was fabricated successfully .

最终我们研制成具有防粘结构的硅微电容传声器。

The Applications and Developments of MEMS in Optical Communications Study of a highly sensitive miniature condenser microphone based on MEMS technology

微电子机械系统（MEMS）在光通信中的应用及其研究动态基于微电子机械系统技术的高灵敏度电容式微传声器的研制

Silicon Condenser Microphone with Round Membranes

圆形振动膜硅微电容传声器

Volume of high pressure coupler has been measured using a standard condenser microphone with known front cavity volume and a laser-vibrometer .

本文采用前腔体积已知的标准传声器和激光测振仪测量腔体积，并采用激光测振仪测量活塞振幅的方法来校准高压传声器校准器。

The principle of electret condenser microphone and its noise are analyzed in the paper . It will be helpful to improve the electric specification .

本文对驻极体电容传声器的原理及噪声作了分析，这将有助于提高它的电特性。

This cardioid condenser microphone defines classic style and elegance in its seemingly indestructible protective screening .

这指向电容话筒，定义在其看似坚不可摧的防护筛选经典的风格和优雅。

Anti-Stiction Structure for Silicon Condenser Microphone

硅微电容传声器的防粘连结构

Electroacoustical measurement of Silicon condenser Microphone

硅微电容传声器的电声测试

Design and Fabrication of a Low-Frequency Condenser Microphone with a Single-Crystal Silicon Diaphragm Research of Dynamic Parameters in Capacitors Controlled by Three-phase Thyristor

单晶硅电容式低频传声器的设计和制作三相晶闸管投切电容器动态参数的研究

A micromachined condenser microphone with a free floating sensing diaphragm and a perforated thick copper backplate is presented .

提出了一种具有自由悬浮敏感膜和带孔铜底板的硅微机械电容式麦克风。

The dissertation is based on the project of the System for Electret Condenser Microphone Performance Test , and adopts automatic visual inspection technology to solve the problem of micro volume accessory 's angle detection and polar recognition .

本文以驻极体麦克风在线综合性能测试系统为背景，采用自动视觉检测技术解决微小体积零件表面角度测量和正负极性识别的问题。

For acoustic positioning , computer sound card and ECM electret condenser microphone are adopted for acoustic signal receiving , and DirectSound is used for relevant analysis of the two signals and positioning their sources .

声音定位方面，采用计算机声卡和驻极体话筒进行声音信号的采集，并且依靠DirectSound控件，对两路声音信号进行相关分析，最终确定声源的方向。

As the dustproof material for electret condenser microphone , the nonwovens can not only prevent dust into microphone , but also provide the function of sound insulation and adjusting frequency response for microphone .

非织造布作为驻极体传声器极头防尘布，不仅起到阻挡灰尘的作用，而且具有吸声隔音、调节传声器频率响应曲线的功能。

On the basis of studying recognition method for image of electret condenser microphone , this paper presents an improved BP learning algorithm for recognizing the image features using neural network , and the method for adjusting momentum vector and learning rate is discussed .

在研究对驻极体麦克图像识别方法的基础上，本文提出了一种用改进的BP神经网络进行图像特征的识别和学习算法，并给出了动量系数和学习率的调整方法。

The article describes in experiments the characteristic of electret material in the processing of electret condenser microphone with grid-controlled constant corona charge , which gives valuable information for how to charge electret materials with steady and proportionable charges .

通过实验研究了栅控恒压电晕充电制备驻极体电容传声器中的驻极体材料的特性，对如何使驻极体带上稳定、均匀的电荷，提供了有价值的资料。

Research on Condenser High Sensitivity Low-frequency Microphone Based on MEMS

基于MEMS的高灵敏度电容式低频传声器

MEMS Multi-band Frequency Reconfigurable PIFA ; Research on Condenser High Sensitivity Low-frequency Microphone Based on MEMS

MEMS可重构多频PIFA天线研究基于MEMS的高灵敏度电容式低频传声器