線路測試臺 的英文怎麼說

中文拼音 [xiànshìtái]
線路測試臺 英文
ltc line test console
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 名詞(古代占卜用的器具) astrolabe
  • : 臺名詞(指臺州) short for taizhou (in zhejiang province)
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  • 測試 : test; testing; checkout; measurement
  1. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖相環工作的影響並根據流星通信中使用變速率傳輸時鎖相環的載波同步性能進行了;然後在基於軟體無電思想的數字處理平(該數字處理平實現了中頻數字化)上用dsp軟體完成了載波的相位跟蹤。
  2. Qishuyan locomotive & rolling stock works, situated in changzhou city, jiangsu province and founded in 1905, covers an area of 1, 760, 000 square meters, owns 4, 500 unitssets of various mechanical equipment, and possesses a comprehensive production capability of forging & casting, machining, riveting & welding, heat treatment, tooling & patterns and sophisticated measures for physical & chemical tests, metrological measurements & inspection. it is an important base for manufacturing artery dedicated diesel engine locomotives, freight wagous, heavy duty diesel engines and railway components, which have won the credit and trust from customers by their excellent quality and outsanding aftersales service and enjoy good sales throughout the country and in countries in europe and america

    公司介紹:戚墅堰機車車輛廠地處經濟發達、科技進步、風景秀麗、人傑地靈的江蘇省常州市,創建於1905年,佔地176萬平方米,擁有各類機器設備4500,具有鍛鑄、機加工、鉚焊、熱處理、工裝模具等綜合生產能力,以及齊全的理化驗、計量和檢手段,是我國鐵內燃機車、貨車、大功率柴油機和鐵配件的重要生產基地,以優質的產品和優良的服務羸得客戶信賴,產品銷售遍及全國並遠銷至歐美等國際市場。
  3. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平下,首次利用labview中的直擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲擬合的方法,對三種擬合方法進行了比較,曲擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲擬合的結果可從帶激勵圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網參數;最後通過labview提供的網功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器系統,並探討了通過datasocket技術實現該系統網化的方案。
  4. The thesis devote to desams ( double - channel electro - hydraulic servo adaptive motor simulator - rig ) condition monitoring and accessing in theory and application. based on short signal analysis theory, the thesis explores the representative vibration faults of complex and non - linear equipment by both theoretical and experimental methods systematically

    本文基於簡訊號分析技術,針對電液伺服道模擬運行狀態監和狀態評價,對簡訊號的最大熵譜分析技術在自復雜非性系統的實時在故障診斷領域的應用進行了系統的理論和實驗研究。
  5. By the means of downloading software into the if digital hardware platform, some satisfying results have gotten and shown in this dissertation with help of circuit board and measuring devices, which fully testifies the feasibility of theory and realization of if digital technology in software radio and the feasibility of this project as if digital unit of ultrashort transceiver

    最後,將軟體加載到中頻數字化硬體平上,藉助電板和量設備,得到了滿意的驗結果,充分證實了軟體無電中頻數字化技術的理論和實現的可行性以及本系統作為軟體無電超短波調頻電的中頻數字化模塊的可行性。
  6. In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode

    第四章主要討論了高速高性能的快速傅立葉變換處理器的設計和實現,首先分析和比較了各種快速傅立葉變換演算法的特性和規律,提出基4蝶算的演算法具有最好的性價比,討論了順序、級聯、并行和陣列的處理結構,闡述了設計高速高性能快速傅立葉變換處理器時的設計原則、設計思、所採用的技術,驗證並fft處理器,分析了定點fft處理過程由於有限字長效應所產生的量化誤差的范圍及防溢出控制辦法,提出了可擴展平模式。
  7. Summarizing the conclusions of computation in available literatures and analyzing synthetically actual experimental data, the paper established an interaction model of beam and rail, and by adopting fem and a program compiled by c + + language, this paper studied and calculated the rupture forces in the continuously welded rails ( cwr ) on a specially - designed simply - supported reinforced concrete bridge, and the distribution of rupture forces in rails as well as the law of their transmission to bridge piers and abutments

    摘要在總結已有文獻計算結論的基礎上,綜合分析實際數據,建立橋上無縫梁軌相互作用的力學模型,採用有限元方法和c + +語言編程,研究、計算特殊設計的混凝土簡支梁橋上無縫鋼軌斷軌力的分佈及其對橋梁墩的傳遞規律。
  8. This thesis presents a forward error correction ( fec ) algorithm and its circuit implementation, which is used in the wireless digital audio transmission system. also, an entire demo platform is built and error - correction ability of the system is tested based on this platform

    本文研究了一種應用於數字音頻無傳輸系統中的前向糾錯( fec )演算法和相應的電設計,搭建了一個硬體驗證平,並在驗證平上完成了電的誤比特率
  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手段,使本實驗居國內領先水平,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、喇叭電、燈光系、信號、電子點火組件等進行驗、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儀器,深受全國各地汽車修理行業管理部門的歡迎。
  10. Testing station has such equipment as mdf, smas and est etc, capable of detecting wire obstruction

    有mdf 、 smas 、 est等設備可提供障礙
  11. The results show that the method proposed in this paper can efficiently evaluate all kinds of network - nle, and it has been adopted by hunan tv station

    結果表明本文的方法可以全面規范的對各種非性編輯網系統進行有效評估,且該方法已在湖南省電視得到應用。
  12. A trial version of the uv forecast service launched earlier on the observatory s website has been well received

    天文早前在網際網驗版形式推出的紫外指數預服務備受歡迎。
  13. 1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart

    本文首先概述了蜂窩數字分組數據網的結構和空中協議,詳細分析了移動數據鏈協議,並在此基礎上,重點敘述了以下方面的工作: 1 )設計並完成了分別應用於m - es和md - is端無控制器的兩套程序實現數據鏈層的主要功能,包括分配臨時設備號、建立鏈、組幀和面向連接的服務保證分組正確無誤地傳輸,並進行適當的流控; 2 )建立模型移動數據鏈協議的可靠性和穩定性,證明了程序包的效用; 3 )根據cdpd系統無數據機的軟硬體總體設計方案,完成了介面模塊,實現了rs232異步串口通信,使用戶可以根據需要發送短消息或連續的偽隨機比特流; 4 )在tms320c54x的軟體、硬體模擬平上,建立了cdpd驗模型,實現了cdpd系統的mdlp基本功能。
  14. The measurement system can automatically control the movement of servo motor and communicate with vna through gpib bus to setup the measurement variable automatically, measure the phase of s parameter. it also can progress the measurement data on the background, display the results by graph data, store them in the data files

    系統自動控制伺服電機的運行,對探頭完成指定的移動定位;通過gpib總與矢量網分析儀器通信,自動完成相關量參數的設置以及s參數的相位量;對得的數據進行后處理,將結果以圖形、數據文件的方式顯示、保存。
  15. However, the testing cost is increased rapidly due to lack of controllability and observability, and thus general test access mechanism and high - performance automatic test equipments ( ates ) are needed to overcome the testing problems

    但是由於高度整合的結果,使得各個缺乏足夠的可控制性與可觀性,也造成了需要額外的存取機制以及高速的自動來完成,因此造成了成本的增加。
  16. At last, a test is done by the bpa100 protocol analyzer, then we can find that bluetooth office automation system in nayong power plant guizhou province carrys into the wireless office in the plant, all the devices in the net can communicate with the right routing, and the applications based on the hardware platformform run credibly, the network can improve the level of office automation

    通過bpa100協議分析儀的,可以看出,本課題設計的貴州省納雍發電廠藍牙辦公自動化系統,實現了發電廠的無辦公,網內部的各個設備之間的通信也能進行正確的由,且基於硬體平的應用程序能夠正確可靠的運行,從而大大提高了納雍發電廠的辦公自動化水平。
  17. The main factors have been determined to be the depth and width of hole, the strength of surrounding rock, the types of detonator, the decoupling coefficient, burden and unit consumption form what has been discussed, the author make use of those major factors as standard of affection and studied bp neural networks " work principle, structure and defectiveness. a model of modified bp neural networks has been used to built model in order to identify selection and optimize of blasting in rock anchor beam. triumphant parameter design of blasting were selected as a example, in order to perform network of parameter design

    確定以炸藥類型、最小抵抗、孔深、炮眼間距、不耦合系數、裝藥量、巖石強度和巖體完整度為主要影響因素;把改進的bp演算法應用在爆破參數優化設計中,建立以炸藥類型、最小抵抗、炮孔深度、炮眼間距、裝藥量、不耦合系數、巖石強度和巖體完整度為主要影響指標,選擇45例國內外成功的爆破參數設計實例為樣本,利用bp神經網進行爆破參數優化設計,並通過現場保護層和巖修面爆破驗以及對其松動圈范圍進行聲波,其結果最優的爆破方案其松動圈最小,這與神經網進行參數優化設計的爆破方案相吻合。
  18. Two test problem generation algorithms, which generate large sparse random networks and rectangular grid road networks respectively, are proposed. using these two algorithms, different kinds of test problems to verify route planning algorithms for vehicle navigation arc generated

    提出了兩種適檢驗用於車輛導航的優化演算法的問題生成演算法,這兩種演算法分別生成大型稀疏隨機網和矩形網格狀網。
  19. The paper is organized as follows : firstly, it presents architecture of wireless sensor networks system based on object tracking. secondly, it finishes describing system level behavior of wireless sensor networks system and modeling & simulation based on embedded system simulation platform ptolemy ii. finally, it tests the performance hit rate of simulation models in a different background simulation environment, and analyses the effected factors of sensor networks objected tracking system detailedly

    文章首先提出一種無傳感器網目標定位系統的系統模型;然後利用ptolemyii建模模擬平完成該無傳感器網目標定位系統的系統級行為描述,並依據系統級建模方法學對該目標定位系統進行建模與模擬;最後在不同背景環境下對模擬模型進行了命中率性能,詳細分析了無傳感器網目標定位系統的諸多影響因子。
  20. We designs a communication protocol on this model, implementing many functions between host computer and radio, such as data transmission, radio management and control, status advertisement, etc. this paper uses the interface protocol, designs a radio link layer protocol, and implements the driver for the radio in linux operating system. after testing and measurement, we conclude that this interface protocol can be a model which uses ethernet interface as a transparent data channel

    本文使用了此介面協議,設計了無協議,並且在linux操作系統中以電驅動程序的方式實現了介面和鏈協議,通過對驅動程序運行情況的,說明該介面協議對網層協議而言屏蔽了以太網作為透明通道的事實,此協議介面模型的可以實現和完成既定的功能和目標。
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