signal inspection 中文意思是什麼

signal inspection 解釋
信號檢修
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  • inspection : n. 1. 檢查,檢驗;審查。2. 檢閱,視察;參觀。
  1. The thesis presents a expert system for identifies power quality disturbance signal, after compare the artificial neural network, nearest neighbors, fuzzy decision, and expert system. we bring forward the project flexible rule - based expert system, according to the characteristic inspection and measure system, and has a deep research on the problem of this system. this project for disturbance classifies has lower mistake ratio and facility maintenance

    採用專家系統的方法進行模式識別,在對神經網路、最近鄰法、模糊邏輯和專家系統及一些交叉方法等模式識別方法進行比較分析的基礎上,根據電能質量信號故障分析的特點,提出了採用規則基專家系統的方法,該模式識別方法具有便於擴展、修改和識別率高等特點。
  2. A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation

    該方案以pc機和dsp系統為核心構成主從機系統框架,以基於虛擬儀器思想的pc機應用程序和基於dsp的嵌入式實時操作系統構成雙重軟體結構,把傳統的超聲波無損檢測技術和先進的虛擬儀器技術、數字信號處理技術、嵌入式實時操作系統、計算機介面通信技術相結合,從而滿足了自動化探傷中1k / s的重復頻率和實時報警的要求。
  3. According to the shortages of the traditional ultrasonic detectors in online inspection, such as low anti - interference capability and sensibility, through introducing the theory of ultrasonic detection system, a circuit module for signal collecting and amplifying of multi - functional ultrasonic detection system is designed

    摘要針對傳統超聲波探傷儀在進行在線檢測時存在抗干擾能力差、靈敏度低等缺點,通過對超聲波檢測系統原理的介紹,設計了一種用於多功能超聲波檢測系統檢測信號的採集及放大電路模塊。
  4. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  5. When a man comes into the oil storehouse from outside through storehouse ' s edge, the leak cable will alarm. while accepting the alarming signal, the computer immediately controls vidicon to aim at the alarming field and go along with the inspection and recognition of active target. after finding the target, it goes into the state of automatic track

    當有人從外面跨過庫區邊界進入油庫區時,泄露電纜檢測到信號並報警,計算機接到報警信號后,立即控制攝像機對準報警地段進行攝像(即圖像採集) ,並進行運動目標的檢測與識別,當檢測到運動目標后,就進入自動跟蹤狀態,由計算機根據目標的運動方向,自動控制攝像機的轉動,將運動目標鎖定在視野中進行自動跟蹤。
  6. Some popularly concerned hot problems and fast developed techniques in present nondestructive testing field were introduced, such as on - line monitoring for pipe laying, gas pipeline and embedding pipes, inspection for the adhesive coating of composite material, imaging techniques and signal processing

    摘要介紹當前無損檢測領域幾項快速發展的並受人普遍關注的熱點問題和技術,如輸油、輸氣管道和地下管網的在線監測、復合材料粘接層的檢測、成像技術以及信號處理。
  7. This dissertation concentrates on the difficult problems that the pipeline or pipe defects are not estimated or evaluated quantitatively, intelligently by mfl ( magnetic flux leakage ) inspection method. from the practical demand, theoretical analysis and experiments or testing, the mfl inspection technology of pipeline or pipe defects are explained, summarized in detail in the whole paper, at the same time, the relationship between the mfl field distribution, the mfl signal shape and the defect geometry or severity, the analysis of the mfl data and the compensation of influencing the relationship factors, signal feature extraction, intelligent recognition of defect parameters and so on are studied systematically

    論文針對管道(鋼管)缺陷漏磁檢測定量化、智能化的難題,緊密結合檢測現場實際需要,通過理論分析和大量實驗,系統分析總結了管道(鋼管)缺陷漏磁智能檢測技術,並在缺陷漏磁場分佈以及缺陷漏磁信號與缺陷外形參數間的關系、缺陷漏磁信號分析、漏磁信號影響因素補償、缺陷漏磁場波形特徵提取和缺陷外形尺寸定量識別等方面進行了深入研究,主要成果和創新如下:引出磁偶極子模型近似分析常見缺陷漏磁場,針對磁偶極子模型的不足,將有限元方法應用到缺陷漏磁場分析,實現了常見管道樣本缺陷漏磁場的模擬。
  8. Lastly, the whole structure is defined. chapter five involves the hardware realization. the host computer basic circuit, the keyboard and the display circuit, the signal inspection circuit, and the a / d conversion circuit are introduced

    第五章是關于系統的硬體電路實現,包括主機基本電路設計,鍵盤顯示部分電路設計及信號檢測、 a d轉換電路設計等。
  9. As a result of the international advanced technology and detection means so that the test - bed habitat leading domestic level, can be quickly and easily, and visual on the domestic and import cars ignition system, the charge of the starting circuit, speakers circuit, lighting system, signal lines, electronic ignition components such as testing, inspection and adjustment, can also check the work of a car engine, engine fault diagnosis of the reason that test bed is the experimental large automobile repair shop, the second category repair shop and car essential for the use of the transport sector detection equipment, by all parts of the country auto repair trade management departments welcomed

    由於採用了國際上先進的技術和檢測手段,使本實驗臺居國內領先水平,可以快速方便,直觀的對國產、進口車的點火系、充電系起動電路、喇叭電路、燈光系、信號線路、電子點火組件等進行試驗、檢查和調整,還可以檢查汽車發動機的工作情況,診斷發動機故障的原因,所以本實驗臺是汽車大修廠、二類修理廠和汽車使用運輸部門必不可少的檢測儀器,深受全國各地汽車修理行業管理部門的歡迎。
  10. An alternative to traditional pipe detection method is to excite stress waves, which can propagate along the pipe, and to monitor the response of the pipe for changes in the received signal at some remote positioa an ultrasonic inspection technique using guided waves was applied to detect and determine the exact location of flaws in long steel pipes

    而傳統無損超聲檢測技術是單點檢測,因而,在檢測長距離管道時,這種方法遇到很大困難。而利用縱向超聲導波檢測管道缺陷,激勵導波沿管道傳播,通過監測管道回波的變化,達到一次檢測數十米的管道範圍,並且是全范圍檢測。
  11. Matsusaka system development handles the development and manufacture of evaluation systems and inspection devices in response to individual customer demands in respect of energy saving, high quality, etc. by combining ccd drive technology, video signal processing technology, digital signal transmission technology, radio transmission technology, etc. together with computer control technology

    Ccd驅動技術,顯像信號處理技術,數字信號傳送技術,無線傳送技術和電腦控制技術相結合,達到了顧客要求的省力化,高品質化等的要求,著手開發和製造評定系統和檢查裝置。
  12. In engineering project, no matter the vibratory and malfunction inspection of large water wheel generate electricity set and precise machine tool, or engineering project structure vibratory analysis and mode test, earthquake forecast and geologic reconnoitering, all need to use the ulf absolute vibratory transducer to scale and analyze the signal caused when running

    在工程上,無論是大型水輪發電機組、精密機床的振動監測和故障診斷,還是工程結構振動分析和模態試驗、地震預報與地質勘探,均需要能夠檢測超低頻絕對振動信號的傳感器來測量分析它們運行過程中產生的超低頻振動信號。
  13. 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。
  14. . 2 collection unit has lcd function that can display collected signal for the convenience of maintenance and inspection

    2 、採集單元具有lcd液晶顯示功能,可直接顯示採集信號,便於維護、檢查。
  15. The paper sums up the intelligent monitoring actuality and trend of the dc panel. by analyzing many method ' s advantage and disadvantage of the leaking electricity inspection, the paper brings forward a method of the leaking electricity inspection by injecting the direct current signal

    本文總結了直流屏智能監控的現狀和發展趨勢。通過對漏電檢測多種方法的優缺點的分析,提出了注入直流信號進行漏電檢測的方法。
  16. The intelligent inspection system of pipeline is established and the project database is designed, the interpolation and signature map of defect mfl signal data are solved effectively, the feature automatic extraction and intelligent evaluation of geometric parameters of the defects are shown and proved practical ; the whole process of pipeline inspection are given step by step, these results and conclusions help improve the pipe defect recognition and solve some difficult problems in the field of pipeline mfl inspection

    建立了管道(鋼管)缺陷漏磁法智能檢測和數據分析系統,設計了系統工程數據庫,實現了缺陷漏磁場數據的插值和圖像處理,完成了缺陷漏磁場特徵自動提取和缺陷外形尺寸的智能識別,給出了管道缺陷漏磁檢測的整個步驟和過程。這一切解決了國內管道漏磁檢測的定量化、智能化的難題,補充了國外管道漏磁檢測的不足。
  17. In order to solve the problem of real time, the author discusses digital signal processor ( dsp ). it researches the scheme of inspection system of pcb based on dsp

    其三在第四章我們就pcb缺陷檢測系統的構成及其設備的性質、特點進行了分析,就部分設備的選擇進行了研究。
分享友人