數據發聲器 的英文怎麼說
中文拼音 [shǔjùfāshēngqì]
數據發聲器
英文
dataphone-
These appliances, available from companies such as decru, neoscale, and vormetric, implement very fast encryption - they typically claim to operate at or close to " wire speed. " they also usually include sophisticated key management facilities for controlling the creation and distribution of cipher keys, cycling of keys, and disposition of keys, besides handling general data encryption
Decru 、 neoscale和vormetric等公司都能提供這些器件，它們實現了非常快的加密通常被聲稱速度達到或接近「線速」 。它們還常常包括高級的密鑰管理設施，除了用於處理一般的數據加密外，還可用於控制密鑰的創建和分發、密鑰的循環和密鑰的銷毀。Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性，在燃油霧化燃燒中逐步引起人們的重視，尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性，但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨，將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手，討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響，並通過具體的實驗，根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律，以便找到超聲霧化的一些規律，豐富對超聲霧化機理的研究，對超聲霧化噴嘴的設計具有一定的指導意義。The signal accesses the microprocessor and undergoes internal a / d transformation, data procession and filtration, then directly drives the digital luminescence tubes to display the concentration of the detected methane and send out an acousto - optic alarm and show low potential detection
此信號進入微處理器經過內部a / d轉換、數據處理、濾波之後直接驅動發光數碼管顯示出被測甲烷的濃度，並給出聲光報警、低電位檢測等。In principle, ultrasonic sensors are suspended over a road, which keep emitting pulse signals periodically to nearby and feed back waves to decide existence of any obstacles, thus to detect the speed, height, length, different sizes ( heavy, medium and small ) of moving vehicles and accumulative flow as well as length of motorcade. optionally, it can be applied to multitude driving lanes simultaneously for traffic data. by integrating and analyzing these measured data, the necessary figures concerning traffic flow may be obtained, which are fundamental basis guiding road buildings
本課題設計的是一種懸掛式超聲波車流多信息檢測器，通過懸掛于路面上方的超聲波探頭向路面周期性地發射脈沖信號，利用地面回波來判斷遮擋物地存在，可用於檢測行駛中的機動車車速、車高、車長、大中小分型以及累計車流量、車隊長度等信息，並可用於多個車道車流信息的同時檢測，綜合這些測量參數可獲得車流量的必要數據，可為公路建設提供必要的基礎依據。2. virtual technology in this section, firstly, introduce virtual instrument development and analyze the main principles in tractor testing projects ( including shaft mass, left - and - right side trigging forces, smoke density, noise and velocity ). secondly, propose a general design combined multifunction data acquisition devices ( daq ) with lab view diagram language
（ 2 ）虛擬儀器技術介紹了虛擬儀器的發展特點，分析了拖拉機主要的檢測項目（軸重、左右制動力、煙度、噪聲、速度）的檢測原理和手段，提出一套基於多功能數據採集卡daq和圖形化編程語言labview的虛擬儀器構建方案。It was demonstrated that this sort of load - control apparatus has superior performance. we used a electric transmitter as the transducer to collect the sound signal, using the daq toolbox of the matlab to achieve the collection of the sound signal, and using the dsp toolbox of the matlab and the sound - launch technology to analyze the time - domain characteristic and the frequency - domain characteristic of the signal, chiefly analyze its short - time average amplitude, its short - time over - zero ratio and its estimate of the power chart and the average - period chart
實驗中使用了駐極體話筒作為球磨機聲音拾取傳感器，利用matlab中的數據採集（ daq ）工具箱實現對磨音的採集，利用matlab信號分析（ dsp ）工具箱和聲發射技術對磨音進行時域和頻域分析，主要分析磨音的短時平均幅度和能量、短時平均過零率、功率譜估計和平均周期圖。The work involves : 1 based on the analysis of previous ddm schemes, considering source - based, destination - based, intermediate filtering mechanism, this paper gives clearly reason and excellence of selecting light - weight mode architecture ; 2 the paper displays light - weight ddm scheme in details, including the relationship of ddm service with other services and object attributes, relevant element designment and algorithm designment ; the paper analyses information flow in light - weight ddm scheme, dividing all implementing classes of ieee 1516 interface specification, showing ddm federate process and explaining how to use " infantry division landing island joint warfare simulation system " to test all ddm implementation algorithms
這主要包括： 1 、在綜合分析ddm所有實現方式的基礎上，包括基於agent 、網格和區域等實現方法，結合源端、中介端、目的端過濾機制，首次提出了ddm弱服務器模式體系結構； 2 、論文首次給出ddm弱服務器模式方案的具體設計，包括ddm與聲明服務、對象服務、所有權服務、時間服務及與對象屬性的關系，相關基礎設計和詳細演算法設計等。 3 、最後，論文給出了弱服務器實現模式的信息流向，分析了ieee1516介面規范實現時用到的所有實現類，以及符合ieee1516規范的ddm成員流程，論述了利用「 xxx作戰」模擬工程綜合測試數據分發管理的過程。The authors use a ultrasonic transducer emit ultrasonic to simulated seabed tiny terrain, then analyze and calculate the relativity of amplitude according to the time, phase and amplitude etc included in echo signal and making using of the relativity of amplitude characteristics, at last gain the real - time altitude data of tiny terrain for deep - sea cobalt crusts mining in order to provide the parameter of best cutting depth for the intellectualized mining of excavating head
摘要通過超聲波換能器向模擬海底微地形發射超聲波，根據回波信號包含的時間、相位和幅度等信息，利用幅度特徵相關性進行分析和計算，得出深海鈷結殼開采所需要的實時微地形高程數據，為採掘頭智能化開采提供最佳切削深度參數。According to principle the above, want and do preliminary health examination in the future, can needn ' t spend checking fee expensive, needn ' t ultrasonic scanning, it is unnecessary computer fault scanning, needn ' t blood drawing and test or take the picture x light still more, whether so long as it hold a sensor or spend urine ( also in hair but ), can know on several minute by health data of more items in you
按以上原理，今後如欲做初步的健康檢查，即可不必花昂貴的檢查費，不用超聲波掃描，不用計算機斷層掃描，更不用抽血化驗或照x光，只要握住傳感器或用尿液（毛發亦可） ，即可於數分鐘內獲知你身上多項健康數據。Explains how the. net framework simplifies component interoperation by allowing compilers to emit additional declarative information, or metadata, into all modules and assemblies
解釋. net framework如何通過允許編譯器將附加的聲明信息或元數據發出到所有模塊和程序集中來簡化組件互操作。Then the paper dicusses the implemention of the modem based on dsp, describes the parts of the modem, design and implement the circuit of the modem ' s echo cancek ring detection -, status supervise and power supply after the detailed research on the dsp ' s performance ? function, memory space and work mode. studies the device driver of the ppsm, develops the modem ' s driver, includes the idma read and write, download page, event handle, send data and receive data
隨后，論文論述基於dsp的modem的設計，對modem的總體結構進行了描述，在對系統使用的dsp晶元adsp2187的性能、功用、存儲器空間和工作模式作了細致研究后，設計和實現了modem的回聲抑制、振鈴檢測、狀態監測和電源等硬體電路，並對ppsm操作系統下外設的驅動程序進行了研究，開發了ppsm下modem的驅動程序，包括idma讀寫、下載頁面、事件處理、發送和接收數據的程序。The main contents of this dissertation are as follows : 1. in this dissertation, the development and status quo of signal estimation for smn is recalled. moreover, data fusion technology for multi - sensor systems and estimation theory of 2 - d systems are introduced simply
本文主要工作如下：第一，本文回顧了帶乘性噪聲系統的最優估計理論的發展和現狀，並簡單介紹了多傳感器數據融合技術及二維系統理論。According to the current employed condition of valves in industry. the database is developed in order to be convenient for using, maintenance and testing valves
根據目前石油、石化企業閥門使用、維護、檢測和更換的現狀，結合閥門泄漏聲學檢測儀器，開發在用承壓閥門使用、維護、檢測和更換數據庫軟體。This thesis designs automobile braking performance inspecting and control system. this thesis consists of three main parts. something about automobile braking system design has been discussed in the first part according to the main requirement of gb7258 - 2004 《 the requirement for motor vehicle, running safely 》. the hardware has been designed according to the characteristic of the parameter afer establish the whole plan for inspecting it. and then working principle of each part has been introduced. and at last, we designed software depending on the require to inspection and function. we can educe the braking power of both wheels, braking moment retardarce power and other parameters. we designed sensor signal processing circuit which including power sensor signal processing circuit and speed signal measure circuit according to the require of designing parameter. ad620 is used as power sensor. in order to measure the power of the automobile braking and protect the electromotor. so we must measure both
由汽車制動測試原理以及制動性參量檢測的技術指標可知，檢測數據準確性、控制可靠性、實時性和抗干擾能力是系統設計的關鍵。本文在掌握汽車性能檢測系統結構和原理的基礎上，根據國家有關標準和汽車制動性檢測系統的控制邏輯提出了採用單片機為控制器的總體方案，設計了各部分硬體電路，並根據所要實現的功能用c51語言設計了軟體。由於檢測現場存在各種干擾噪聲，為了保證系統運行的穩定性和可靠性以及測量精度的要求，分別從硬體和軟體的角度出發，介紹了常用的硬體抗干擾措施以及軟體數字濾波的原理和方法。Content developers and webmasters may also need to ensure that the server delivers content with the correct character encoding declarations
內容開發者和站長也需要確保服務器按照聲明的字元編碼來傳遞數據內容。On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp
我們在前人的工作基礎上，利用現代數字信號處理技術和面向對象的軟體開發技術，統一了彈上黑匣子數據處理系統的操作平臺，完善了轉速、掃描角測試數據處理系統，修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ；利用有限沖擊響應（ fir ）濾波器，在濾去噪聲的同時，有效地解決了矩形窗fft濾波的頻譜泄漏問題；另外還解決了因相位偏差而導致的測試誤差。The practicality significance, the function of clinical ecg data - information management system in scientific research, clinical medical treatment and medicine teaching, international actuality in this field are summarized firstly in this paper. then the all data - information in common use at cardiopathy was concisely described. they have the characteristic of integrated in others systems, such as electrocardiograph. this paper utilize this characteristic and development an ecg data - information management system using in virtual ecg analyzer. it will provide rich and multiform clinical information resource for individual include doc., nurse, patient, clinical department, medical treatment and health protection in all levels, so much as in business. secondly, an advanced instrument manufacture technology ? ? virtual instrument technology and virtual instrument baseon it were intrduced. the auther of the paper detailedly introduced the idea, development, progress, systemic structure, specialties of vi, compared it with traditional hardware - instrument and standed out superiorities of vi
本文首先概述開發臨床心電圖數據信息管理系統的實用意義及其在醫學研究、臨床醫療、教學上的重要作用和目前該領域國際國內現狀，簡要描述了心血管疾病科常用的數據信息，它具有與其它系統（如心電圖記錄分析系統、超聲心動圖像系統等）集成的特點，本文即利用這一特點開發出用於虛擬式心電圖儀中的心電圖數據信息管理系統，為個人（醫生、護士、病員） 、臨床部門、各級醫療保健機構乃至商業活動提供豐富的臨床醫學信息資源。接著介紹了一種先進的儀器設計製造技術? ?虛擬儀器技術以及在此基礎上形成的虛擬式儀器，文章對虛擬儀器的概念、產生和發展、系統結構、特點做了較詳細的介紹並與傳統硬體化儀器作了對比，突出了虛擬式儀器的優越性。According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed
在對其結構特點和運動規律分析的基礎上，本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具，以單片機為控制核心，以超聲電機為驅動元件，以高精度光電編碼器作為速度和角位移檢測裝置，實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合，也為降低成本，簡化控制裝置，推動新型護理機械臂短期內應用推廣的需要，以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件，用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統，實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用，設計了簡單的手指機構並利用labwindows / cvi開發環境，以及智能材料驅動器? ?層疊式壓電驅動器，進行了手指的抓取以及對驅動對象的轉動控制。The scramjet engine is highly integrated with the airframe of airbreathing hypersonic vehicle, which makes the performance evaluation very difficult. it ’ s urgent to develop a kind of scramjet performance evaluation method which can take full advantages of data acquired in experiments
該發動機與高超聲速飛行器機體的高度一體化構型，導致其性能評估相對困難，迫切需要發展一套能夠充分利用試驗測量數據評估超燃沖壓發動機性能的方法。A special address codeword produced by optical encoder at the side of transmission and data information are modulated on optical carrier and transferred. the data from different users are transmitted through optical fiber. the information belonging to local user is demodulated by the special optical decoder while optical signals carrying other users ’ information are filtered as noise
在發送端特定的光編碼器產生某一特定的地址碼，將數據信息與此地址碼調制在光載波之上發送出去，不同用戶的數據都在光纖媒質中傳輸，接收端用特定的光解碼器解出屬于自己的信息，而攜帶其他用戶信息的光信號，就像噪聲一樣被過濾掉。分享友人