检索结果-内蒙古大学图书馆

您好，读者！请登录

内蒙古大学图书馆

首页
概况
党建
资源
服务
科研支持
- 论文收录引用证明
- 科技查新
知识产权
档案馆
帮助

咨询与建议

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

您的常用邮箱：*

您的手机号码：*

问题描述：

当前已输入0个字，您还可以输入200个字

全部搜索
期刊论文
图书
学位论文
标准
纸本馆藏
外文资源发现
数据库导航
超星发现

高级检索

时间限定

出版年份：

文献类型

图书期刊文献学位论文多媒体

馆藏选择

电子馆藏纸本馆藏

核心期刊

全部期刊 SCI 收录期刊 SSCI 收录期刊 EI 收录期刊 CSCD 收录期刊 CSSCI 收录期刊

语言

中文英文

文献类型

期刊文献图书学位论文标准纸本馆藏

帮助

文字说明：

T=题名（书名、题名），A=作者（责任者），K=主题词，P=出版物名称，PU=出版社名称，O=机构（作者单位、学位授予单位、专利申请人），L=中图分类号，C=学科分类号，U=全部字段，Y=年（出版发行年、学位年度、标准发布年）

检索规则说明：

AND代表“并且”；OR代表“或者”；NOT代表“不包含”；(注意必须大写,运算符两边需空一格)

检索范例：

范例一：(K=图书馆学 OR K=情报学) AND A=范并思 AND Y=1982-2016
范例二：P=计算机应用与软件 AND (U=C++ OR U=Basic) NOT K=Visual AND Y=2011-2016

分类表

所选分类

>> <<

限定检索结果

文献类型

404 篇 会议
15 篇 期刊文献
2 篇 成果

馆藏范围

421 篇 电子文献
0 种 纸本馆藏

日期分布

学科分类号

408 篇 工学
- 174 篇 材料科学与工程（可...
- 113 篇 电气工程
- 81 篇 电子科学与技术（可...
- 39 篇 力学（可授工学、理...
- 37 篇 机械工程
- 34 篇 船舶与海洋工程
- 29 篇 仪器科学与技术
- 12 篇 动力工程及工程热...
- 11 篇 控制科学与工程
- 10 篇 化学工程与技术
- 10 篇 环境科学与工程（可...
- 10 篇 安全科学与工程
- 5 篇 光学工程
- 5 篇 航空宇航科学与技...
- 5 篇 生物医学工程（可授...
- 4 篇 信息与通信工程
- 3 篇 土木工程
- 2 篇 建筑学
- 2 篇 水利工程
- 2 篇 地质资源与地质工...
88 篇 理学
- 80 篇 物理学
- 20 篇 化学
- 3 篇 数学
- 1 篇 系统科学
11 篇 管理学
- 10 篇 公共管理
7 篇 医学
- 5 篇 公共卫生与预防医...
3 篇 经济学
- 3 篇 应用经济学
2 篇 农学

主题

21 篇 压电
18 篇 压电材料
15 篇 声表面波
13 篇 有限元法
12 篇 声波
10 篇 中国力学学会
9 篇 压电陶瓷
8 篇 振动
8 篇 无铅压电陶瓷
8 篇 有限元
8 篇 中国声学学会
8 篇 压电复合材料
7 篇 谐振器
7 篇 有限元分析
7 篇 技术研讨会
7 篇 压电薄膜
7 篇 压电器件
6 篇 ansys
6 篇 器件技术
6 篇 ultrasonic motor

机构

15 篇 华中科技大学
14 篇 厦门大学
13 篇 南京航空航天大学
10 篇 宁波大学
10 篇 浙江省宁波市风华...
9 篇 同济大学
9 篇 江苏省南京市御道...
8 篇 苏州大学
8 篇 陕西师范大学
8 篇 浙江省宁波市江北...
7 篇 哈尔滨工程大学
7 篇 institute of aco...
6 篇 institute of eng...
6 篇 浙江省杭州市余杭...
6 篇 北京信息工程学院
6 篇 工程结构分析与安...
6 篇 state key labora...
5 篇 state key labora...
5 篇 school of aerosp...
5 篇 state key labora...

作者

30 篇 王骥
21 篇 杜建科
14 篇 郭航
14 篇 ji wang
10 篇 裘进浩
10 篇 jian-ke du
10 篇 李国清
9 篇 季宏丽
8 篇 ting-feng ma
8 篇 夏钟福
8 篇 刘军
8 篇 黄德进
8 篇 姚林泉
8 篇 朱孔军
8 篇 张晓青
8 篇 李全禄
7 篇 jun-hui hu
7 篇 黄卫清
7 篇 徐巍
7 篇 胡元太

语言

302 篇 中文
119 篇 英文

检索条件"任意字段=2013全国压电和声波理论及器件技术研讨会"

共 421 条记录，以下是91-100 订阅

全选清除本页清除全部题录导出标记到"检索档案"

详细简洁

排序：

A BRIEF VIEW OF THE CURRENT STATE OF THE DEVELOPMENT AND AGING PERFORMANCE OF FIXED FREQUENCY SURFACE ACOUSTIC WAVE(SAW) OSCILLATOR

A BRIEF VIEW OF THE CURRENT STATE OF THE DEVELOPMENT AND AGI...

引用

2012全国压电和声波理论及器件技术研讨会

作者： C.S.LAM P.Y.SU C.H.CHEN TXC Technology Inc.MilpitasCaliforniaUSA TXC Corporation

The recent rapid expansion of optical fiber networking market fuels the demand for accurate 100～400 MHz fixed frequency oscillators based on surface acoustic wave(SAW) ***,several suppliers can offer small size and cost efficient SMD single-end and differential SAW oscillators(SOs) with very good phase jitter *** customers prefer SO solution as it is free of the unsettling problems from some crystal oscillator(XO) solutions- high cost of high frequency fundamental(HFF) and inverted mesa(IM) crystal blanks,spurious modes,frequency jumping,drive level sensitivity,high cost of phase lock loop(PLL) die,*** paper is to provide a brief view of the current state of the development of fixed frequency *** on the aging data of more than 20,000 hours at 125℃,the authors also comment on the SO aging performance fabricated using different SAW wave-types.

关键词： SAW Oscillator Quartz Crystal Aging

来源：评论

学校读者我要写书评

暂无评论

DOA ESTIMATION OF THE MOVING TARGETS IN SHALLOW WATER BASED ON VECTOR OPTIMIZATION BEAMFORMING AND NORMAL-MODE THEORY

DOA ESTIMATION OF THE MOVING TARGETS IN SHALLOW WATER BASED ...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Nan-song LI Hai-yan SONG Sheng-chun PIAO Qing-xin MENG Science and Technology on Underwater Acoustic Laboratory Harbin Engineering University School of Electrical and Information Engineering Heilongjiang Institute of Technology

DOA estimation is one of the most important tasks for sonar ***,the performance of conventional high-resolution DOA estimation methods is influenced because of the neglect of some important factors,such as effect of underwater sound channel,the array position errors and so *** order to improve the robustness of the high-resolution DOA estimation methods,the vector optimization robust beamforming method is realized by adding a strong joint constraint to the weight vector norm and the steering vector *** addition,simulating the matched-field processing method,the DOA estimation of underwater moving targets can be computed by combining adaptive robust beamforming and normal-mode *** is shown that the adaptive beamforming which is presented in this paper has higher peak to maximum sidelobe ratio(PSR) and narrower-3dB beamwidth.

关键词： Normal mode Underwater acoustic signal Vector optimization Moving targets

来源：评论

学校读者我要写书评

暂无评论

PREPARATION AND PIEZOELECTRIC ANALYSIS OF THE MULTILAYER FILMS FOR FBAR

PREPARATION AND PIEZOELECTRIC ANALYSIS OF THE MULTILAYER FIL...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Lin SU Bao-he YANG Cui-ping LI College of Precision Instrument and Opto-Electronic Engineering Tianjin University Tianjin Key Laboratory of Film Electronic and Communication Devices Tianjin University of Technology

A multilayered structure of Al/ZnO/Al/DLC for FBAR was prepared in this research,and its piezoelectric performance was *** results show that DLC film with high sp content can be prepared at room temperature by using ECR-CVD system with the power of 1200 W,the total pressure of 1Pa,as well as the CH and Ar gas ratio of 1:*** c-axis oriented ZnO films can be prepared with the optimized process parameters,and their performance can be further improved by annealing *** piezoresponse amplitude and phase of the ZnO films were measured by using piezoresponse force microscopy（PFM）.The results indicate that the ZnO film prepared at 250℃ temperature has good piezoelectric performance,meeting the requirement of the piezoelectric layer for FBAR.

关键词： ZnO FBAR Piezoresponse PFM

来源：评论

学校读者我要写书评

暂无评论

A STUDY ON AIRBORNE PIEZOELECTRIC TRANSDUCER FOR GEOLOGICAL SIMULATION

A STUDY ON AIRBORNE PIEZOELECTRIC TRANSDUCER FOR GEOLOGICAL ...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Sheng ZHOU Chao CHEN State Key Laboratory of Mechanics and Control of Mechanical Structures Nanjing University of Aeronautics and Astronautics

In this work,we report a new application of airborne piezoelectric transducer for ultrasonic seismic physical modeling *** the lab,we can obtain the internal structure of geologic model by analyzing the received echo signals which were launched by airborne ultrasonic *** we use different piezoelectric materials and matching layers to design and manufacture airborne *** piezoelectric materials are ferroelectric single crystals(PMNT),1-3 composites with volume fraction of 60% and 15% *** membranes as matching layers can improve more than 20 dB in two-way insertion loss which is a good solution to acoustic match of airborne *** experiments show that the airborne transducer made with 1-3 composites with volume fraction of 60% has the best bandwidth and sensitivity compared to the other *** characteristics of its high sensitivity and broadband are very suitable for airborne transducers in geological simulation field.

关键词： Piezoelectric transducer Airborne applications Geological simulation

来源：评论

学校读者我要写书评

暂无评论

THEORY ON THE LASER EXCITED WAVE PROPAGATION IN A SINGLE PIEZOELECTRIC PLATE UNDER A BIAS ELECTRIC FIELD

THEORY ON THE LASER EXCITED WAVE PROPAGATION IN A SINGLE PIE...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Gen CHEN Yong-dong PAN Zheng ZHONG Institute of Acoustics Tongji University School of Aerospace Engineering and Applied Mechanics Tongji University

The laser excited wave propagation in a single piezoelectric plate under a bias electric field is studied *** state vector approach is used to derive the differential equations for the piezoelectric plate under a bias electric *** laser is modeled as a transient force at the *** solving the state space equation,both the dispersion curves and surface displacement of the epicenter of the single piezoelectric plate under the laser ablation excitation with bias electric field are *** is found that the wave propagation in the piezoelectric is influenced by the bias electric *** numerical calculation shows that along the polarization direction,the velocity of the acoustic wave in the piezoelectric plate with positive bias electric field is larger than that without any electric field,which is just an inversed situation in the negative *** theoretical findings will provide the basis for the further experimental investigation.

关键词： Piezoelectric plate Laser ultrasonics Bias field Active control

来源：评论

学校读者我要写书评

暂无评论

A MICROREACTOR USING SURFACE ACOUSTIC WAVE AS ENERGY SOURCE

A MICROREACTOR USING SURFACE ACOUSTIC WAVE AS ENERGY SOURCE

引用

2012全国压电和声波理论及器件技术研讨会

作者： Yan ZHA An-liang ZHANG Department of Electrical Engineering Ningbo University

A microreactor is a key operation unit in a microfluidic ***,lots of biochemical reactions do not occur at room ***,a heating unit in these microfluidic devices is indispensable.A new microreactor with surface acoustic wave(SAW) as an energy source is *** microreactor has three elements,including surface acoustic wave heating source,two PDMS micro-vessels and a heat-transfer sheet metal.A glycerin microfluid in the PDMS micro-vessel on the piezoelectric substrate was heated by SAW *** heat was then transferred to the reactants in the PDMS micro-vessel on the sheet *** heating effect of the microreactor was verified by melting solid paraffin and color development *** results show that the microreactor can raise the temperature of reactants from 16.1 ℃of room temperature to higher than 60 ℃,which is enough for lots of biochemic reactions occurring at about 40 ℃.The results also show that the microreactor can greatly improve the reaction velocity of starch color development reaction.

关键词： Microreactor Surface acoustic wave Microfluid Piezoelectric substrate

来源：评论

学校读者我要写书评

暂无评论

STUDY ON A HIGH SENSITIVITY AND STRONG ANTI-JAMMING CO-VIBRATING VECTOR SENSOR

STUDY ON A HIGH SENSITIVITY AND STRONG ANTI-JAMMING CO-VIBRA...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Hu ZHANG Hong-juan CHEN Qi LI Wen-zhi WANG Science and Technology on Underwater Acoustic Laboratory Harbin Engineering University

For many hydrophone applications in underwater acoustic fields,there is a great demand for vector sensors with the higher sensitivity and easily using.A high sensitivity and strong anti-jamming co-vibrating vector sensor has been described in this *** vector sensor with acoustic pressure channel and vector channel can be fixed in any *** length of sample is 166 mm and diameter is 50 *** experimental results show that the cylindrical co-vibrating vector sensor has good cosine directivity and the sensitivity of vector channel is-181 dB at 1kHz(re 0 dB=1V /μPa),and the average acoustic pressure sensitivity is-190dB(re 0 dB=1 V/μPa) over the frequency range of 20 Hz to 1600 Hz.

关键词： Co-vibrating acoustic vector sensor Fixed setting High sensitivity Strong anti-jamming

来源：评论

学校读者我要写书评

暂无评论

SIMULATION OF BROADBAND SOUND PROPAGATION IN SHALLOW WATER ENVIRONMENTS

SIMULATION OF BROADBAND SOUND PROPAGATION IN SHALLOW WATER E...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Li LI Hai-gang ZHANG Sheng-chun PIAO Yun-he LI Ya-xiao MO Science and Technology on Underwater Acoustic Laboratory Harbin Engineering University Unit 92337 of People's Liberation Army

In this paper,broadband sound propagation in shallow water environments is *** synthesis method of frequency-domain solutions is selected to do the simulation of *** frequency-domain calculations in Pekeris waveguide are carried out by normal mode model *** improve the computational efficiency,parallel computing of KRAKEN is implemented based on MPI(Message Passing Interface) *** the Fast Fourier Transform(FFT) part of Fourier synthesis is performed using CUDA(Compute Unified Device Architecture).Evaluation shows that parallel programming of Fourier synthesis saves run-time ***,a more realistic shallow water environment iavolving elastic bottom is taken into *** present that the propagation of a broadband pulse in shallow water environments is strongly affected by the elastic parameters of the ocean *** modal arrival structures are analyzed for all *** the dispersion characteristics are exhibited by simulation results.

关键词： Fourier synthesis Broadband modeling Seismic wave propagation Parallel programming

来源：评论

学校读者我要写书评

暂无评论

PIEZOELECTRETS:POLYMER FOAMS FOR TRANSDUCER APPLICATIONS

PIEZOELECTRETS:POLYMER FOAMS FOR TRANSDUCER APPLICATIONS

引用

2012全国压电和声波理论及器件技术研讨会

作者： Peng FANG Zheng WEI Guang-lin LI The Key Lab of Health Informatics of Chinese Academy of Sciences(CAS) Institute of Biomedical and Health EngineeringShenzhen Institutes of Advanced TechnologyCAS

Piezoelectric materials are commonly used in various sensors and *** the traditional piezoelectric ceramics such as Lead Zirconate Titanate and polar piezoelectric polymers such as β-phase Polyvinylidene Fluoride,piezoelectrets have recently become a new group of piezoelectric *** are functional polymer systems for electromechanical transduction,with elastically heterogeneous cellular structures and internal quasi-permanent dipole *** piezoelectricity of piezoelectrets stems from linear changes of the dipole moments in response to external mechanical or electrical *** with the traditional piezoelectric materials,piezoelectrets own several desirable *** this paper,the preparation processes and the properties of piezoelectrets were introduced and then the possible performance improvement was ***,some promising applications of piezoelectrets were proposed.

关键词： Piezoelectricity Piezoelectret Transducer Polymer

来源：评论

学校读者我要写书评

暂无评论

FABRICATION OF BULK ACOUSTIC WAVE RESONATOR BASED ON ALN THIN FILM

FABRICATION OF BULK ACOUSTIC WAVE RESONATOR BASED ON ALN THI...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Jie YANG Xiang-quan JIAO Rui ZHANG Hui ZHONG Yu SHI State Key Laboratory of Electronic Thin Films and integrated Devices University of Electronic Science and technology of China

AIN thin film is an ideal material for preparing BAW *** acoustic wave(BAW) resonator based on AIN thin films is compatible with standard IC *** advantage makes sense for realizing a one-chip front-end *** this study,a reliably process for making an air-gap bulk acoustic wave resonator based on AIN thin film was *** c-axis oriented AIN thin film was achieved on Mo electrode by reactive radio frequency sputtering *** improved planarization process and extending the edge of bottom electrode were introduced to avoid AIN thin film cracking at the *** BAW resonator,with lOOnm bottom electrode,2500 nm AIN piezoelectric layer and 300 nm top electrode,has exhibits a resonant frequency of around 1.51 GHz.

关键词： Bulk acoustic wave(BAW)resonator AIN C-axis oriented Cracking

来源：评论

学校读者我要写书评

暂无评论

没有更多数据了...

全选清除本页清除全部题录导出标记到“检索档案”

共43页 << < 6 7 8 9 10 11 12 13 14 15 > >>

检索报告对象比较合并检索0

隐藏清空

合并搜索

回到顶部

执行限定条件

内容：

评分：

请选择保存的检索档案：

请选择收藏分类：

订阅名称：

通借通还

温馨提示：

图书名称：

借书校区：

取书校区：

手机号码：

邮箱地址：

一卡通帐号：

电话和邮箱必须正确填写，我们会与您联系确认。

联系人：

所在院系：

联系邮箱：

联系电话：

内蒙古自治区呼和浩特市赛罕区大学西街235号邮编: 010021

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：