載波保護 的英文怎麼說

中文拼音 [zǎibōbǎohù]
載波保護 英文
carrier protection
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 保 : Ⅰ動詞1 （保衛; 保護） defend; protect 2 （保持） keep; preserve; maintain in good condition 3 （...
  • 護 : 動詞1. （保護; 保衛） protect; guard; shield 2. （袒護;包庇） be partial to; shield from censure
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  1. Wave - shape apron belt with large angle transferring system can working both horizon and perpendicular, which can also work at any angle within 0 - 90 with large load. the cost of designing, handling and repairing is low. the technology is reliable. it is good for environment protection. it has been widely used in steel, chemical and cement industries, which have benefited a lot

    大傾角波狀擋邊帶式輸送機系統可以和垂直狀態下運行，也可在0 90度范圍內任一角度運行，允許大運載能力、重載運輸，為設計、施工和維護節省投資和運行成本，技術可靠，利於環境保護，在全國各大鋼鐵、化工、水泥等行業運行，使廣大用戶受益匪淺。
  2. Specification for power line carrier transceiver dedicated to protection

    繼點保護專用電力線載波收發信機技術條件
  3. In the past 10 years, we inherit the tradition of ningbo businessman of “ to conduct ourselves honorably in commercial transaction and business activities ”, insist on the tenet of “ customer first, quality first ”, and have developed 4 series and 40 types of products, which all can provide protection on occasion of power phase lack, motor over load, motor stall, well pump leaking

    十年來，本廠繼承了寧波人素有的「文明經商、誠信經營」的優良傳統，始終抱定「用戶至上、質量第一」的經營宗旨，先後研製了4個系列、 40餘種規格的產品，都能對電機在因電源缺相、電機超載、電機堵轉、潛水泵電機漏水等故障情況下，實施快速可靠的保護。
  4. Abstract : the stimulation treatment of & quot; loosening rock by the dilatancy of explosive waves & quot; is tested in the casing well 4242 for studying its result and its influence on casing. the result of the field test shows that this test is successful in technology, the oil production of the well is 4 times as much as that of it before the test ; the deformation of casing is local, and the result of the strength calculation shows that the deformation will not destroy casing

    文摘:為了研究「壓脹松動」增產技術的增產效果和對套管的影響，在延長石油管理局子長油礦對4242井進行了現場實驗.該技術採用強動載波在地層深處疊加的方法，造成壓脹條件，松動巖石，增大近井帶滲透率，提高油井產量.施工后，該井產量增加為原來的4倍多.本次實驗工藝上是成功的，首先是按設計要求引爆了炸藥，其二是由於採取了保護措施，使套管變形局限在施工段處，不影響下泵，不影響油井生產;套管強度校核分析也證明了套管不會破壞.施工后地質效果明顯
  5. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件，技術難點和目前存在的問題，並重點分析了dvb - t系統結構流程，核心技術及系統通道特性和參數，該系統採用了cofdm （編碼正交頻分多路復用） ，大量導頻信號插入和保護間隔技術等核心技術，使之能抵抗高電平（ 0db ） ，長延時的靜態和動態多徑失真，有利於數字和模擬電視的混合傳輸，它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  6. The system can generate three - phase spwm pulses and has following characters : the range of modulation frequency is from 0 khz to 4 khz. and can be divided to 7 classes to control. the carrier frequency may be selected up to 24 khz, and can be divided to 8 classes to control ; rotational frequency is defined to 16 bits

    該系統能產生三相六路正弦脈寬調制（ spwm ）波形;調制頻率范圍為0 4khz ，分7級控制; 16位的速度控制解析度;載波頻率分8級控制，最高可達24khz ;系統介面兼容intel系列和motorola系列單片機;該系統控制簡單、精確，易修改，可現場編程;同時具有脈沖延時小、最小脈沖刪除、過壓和過流保護功能等特點，可應用於pwm變頻調速系統的全數字化控制。
  7. A new experimental and training system with modular hardware and software is introduced in this paper based on the research and analysis of the principle, structure and realizing method of microprocessor relay protection and safety automation equipment and the constitutes of cut - up arrangement substation integrated automation at home and abroad whose function includes relay protection experiment, such as current protection, distance protection and so on, and substation integrated automation experiment etc. the structure and function of the experimental and training system are introduced in detail, the principle and function of the hardware section are analyzed, and the method of software designing and programming is concisely set forward. in this paper, a new communication mode between computer and the rs - 485 bus and the can bus by using the computer ' s epp port and an effective method of software ' s remote downloading are brought forward

    論文在研究和分析了國內外微機保護和安全自動裝置的原理、結構和實現方法以及分散分散式變電站綜合自動化系統構成的基礎上，開發了一種硬體和軟體模塊化，能實現電流保護、距離保護、故障錄波等多種繼電保護和安全自動裝置功能以及變電站綜合自動化功能的實驗培訓系統，詳細介紹了整個實驗培訓系統的結構和功能，分析了硬體部分的原理和作用，還簡要闡述了整個軟體編制的大體方法，並提出了一種利用計算機的epp口實現上位機與rs - 485總線和can總線通信的新型通信方式，提出了一種利用psd913f2的雙flash的特點進行軟體的遠程在線下載的方法。
  8. 2. 3 ups outlets 3 surge protected outlets 3

    2 . 3個突波保護插座3個ups備載插座
  9. Later, simulates the ofdm system by matlab software, researchs the effect about ofdm system by mapping, guard interval, sub - carrier and channel

    然後通過matlab軟體對ofdm系統進行了模擬分析，研究了調制映射，保護間隔，子載波和通道對ofdm系統的影響，並得出了一些結論。
  10. Based on the coherent reception theory of radio signals and the theory of digital signal processing, the effects of carrier frequency offset, sampling clock offset, and symbol timing offset on ofdm signals are exploited. a series of amendments and new algorithms is derived from the in being algorithms of guard interval based symbol timing and frequency offset estimation, frequency - domain frequency offset, sampling offset, and symbol timing offset estimation

    以無線信號的相干接收和數字信號處理理論為基礎，就載波頻偏、采樣鐘偏差和符號定時偏差對ofdm信號的影響進行了分析，對基於保護間隔的符號定時與載波頻偏估計演算法和多種現有頻偏、采樣鐘與符號定時偏差的頻域估計演算法進行了研究，提出了一系列改進措施與新演算法。
  11. Author introduces the principle, the technical character and the technical data of the device. it is also advanced a scheme about catrier signal spanning the distribution line break. author provides the experiment report of the wfplc - m1 middle - voltage power line caner modem

    該系統在設計上採取了多種信號隔離措施，具有雙載頻自動切換功能和中繼功能，結合裝置採用耦合電容和結合濾波器一體化設計，具有接地刀閘保護、避雷器保護。
  12. Through the simulation analysis of ofdm system by matlab, the author probes into the influence from modulating reflection, protection interval and sub - carrier wave on ofdm system, which is quite significant to the designing process of ofdm system

    通過ma7lab軟體對ofdm系統進行了模擬分析，研究了調制映射，保護間隔和子載波對ofdm系統的影響。這在實際ofdm系統設計的過程中非常重要。
  13. The tunable performance can be realized by rotating the electro - optic material in the electric field. now with the development of the crystal material science, the electro - optic tunable filters are used widely. basing on the theory of lyot filter and electro - optic effect of liquid crystal, tunable liquid crystal lyot filter is designed and tested in this paper

    近年來隨著晶體材料科學的發展，利用晶體的電光效應製成的電光可調諧濾光片得到了很大的發展，它已廣泛用於波長信號分離、傳感器保護、機載水文探測、遙感領域，並且在光纖通信中有很大的應用前景。
  14. Routing and wavelength assignment ( rwa ) algorithm is the key problem of mplms control layer. a dynamic routing and wavelength assignment ( rwa ) algorithm with the design pr otection is proposed, with load balance and capacity constraint of physical links taken into account

    路由和波長分配（ rwa ）是mplms控制層面的一個重要問題，本文基於考慮鏈路負載均衡和容量限制提出了一種具有保護設計的動態路由和波長分配演算法。
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