carrier method 中文意思是什麼

carrier method 解釋
載流法
  • carrier : n 1 運送人,搬夫;負荷者;使役,〈美國〉信差,郵遞員;送報人;〈英國〉運輸行,運輸業者。2 傳書鴿...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. In the study of the lumber carrier, one of the very important problem is the in spot and ultimate station due to flooding which will bring tremendous threat to the ship because of the few holds in order to study the lumber carrier buoyancy, stability and longitudinal strength under the condition of flooding, the paper adopt fundamental ship principle and iterative and accumulative concept on the basis of insumersibility theory to detailedly calculate the flooding speed flooding amount front draft after draft stability and longitudinal strength considering the ship " s sinking and inclination which will change the center of gravity and the loading station both in hold and on deck and the effect of flooding and lumber amount in holdo in the last, the paper introduces an example of the actual ship named " fei yun ling " and makes a contrast between not taking measure and taking measure which draws a reasonable conclusion and comes up to some advice the method avoids the cockamamie calculating while insures enough precision the paper draws a conclusion that not all the lumber carrier will submerge when suffering the damaged flooding if the loading or measure is suitable

    為了研究運木船舶在破艙狀態下的浮性、穩性和強度,本文在抗沉性理論的基礎上,運用船舶基本原理,採用了迭代和累計的思想,將船舶的進水過程劃分為很多次進水的積累,詳細計算了運木船在破艙進水的過程中,考慮到各種破艙參數、船舶本身的下沉、艙室內木材、甲板貨的裝載情況和在進水過程中船舶本身的傾斜對進水重心的影響,以及艙室內的進水量和木材對破口處進水速度的影響,船舶總的進水速度、進水量、首尾吃水、穩性的實時狀態和最終船舶的總縱強度,給出了計算實例,並進行了在採取用泵抽水前後浮態參數的對比,得出了該船舶在艙室內的貨物積載量達到某個數值時可以保證船舶在破艙進水時不會沉沒,或者在當開口小於某數值時,採取適當的措施后,可以使船舶避免沉沒。
  2. Technique of transmitting data via power line ( pl ) , a new technique developed in recent years , is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage , disadvantage and the current state of the power line carrier communication 。 the advantage , method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper , after introducing the principle of ssc , design of hardware and software of the system are been discussed 。 this system has been put into use , the result has proved its high stability and reliability

    本文研究旨在提供一種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化的技術應用。討論了電力線載波通信的優、缺點及現狀,擴頻技術在電力線載波通信應用的優點、方式和現狀,並對低壓電力線網路的特性進行了簡單的分析。在闡述了擴頻通信的基本原理的基礎上,本文詳細地介紹了電力載波遠程抄表系統的具體實現,包括硬體模塊和管理軟體本系統已投入運行,具有較高的穩定性和可靠性。
  3. In this thesis, the oxygen sensitive materials and glucose sensitive materials had been developed by thermo - polymerization method including carrier covalence method and carrier covalence - cross linking method, and the properties had been investigated using the detection experiment of oxygen and spectrophotometer, at the mean time, the applications of oxygen sensitive materials in fiber optical gaseous oxygen sensor and fiber optical dis solved oxygen sensor, and that of biology sensitive materials in fiber optical dextrose sensor had been studied in this paper. major content of this work includes five aspects as follows : ( 1 ). oxygen sensitive materials had been prepared by carrier covalence method, and the preparation mechanism of the materials had been investigated by fi - ir, sem, and the detection experiment of oxygen

    本論文主要包括以下五個方面的內容: ( 1 )載體共價法制備氧敏感材料:通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理,通過氧測試實驗評價該氧敏感材料的氧敏感性和穩定性,同時研究了各種因素對該氧敏感材料性能的影響( 2 )載體共價?交聯法制備氧敏感材料:通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理,通過氧測試實驗和分光光度計評價該氧敏感材料的氧敏感性和穩定性,同時研究了各種因素對該氧敏感材料性能的影響( 3 )氧敏感材料在光纖氣態氧傳感器中的應用:該傳感器的響應時間為10s ,檢測下限為5ppm ,檢測精度為0 . 5 ,具有較好的重復性和穩定性,遲滯較小,使用壽命至少為1年,適合各種環境下氣態氧濃度的檢測。
  4. The samples with smaller grain sides were obtained in our experiment, and the properties are corresponding with that of those samples prepared by melting method mentioned previously. several approaches can be proposed for further increasing the thermoelectric properties. preparation of the material with different compositional deviations availably controlled from stoichiometry is one of the ways to change the carrier concentration, and hence to optimize the value of power factor

    該方法獲取的塊體樣品的片狀顆粒的粒度遠小於熔煉法制備的樣品,樣品的性能也與熔煉法相當,如果能有效控制樣品的化學計量比,提高生成物的純度將會更大程度的提高材料的熱電性能。
  5. Measurement of minority carrier life time in germanium by photoconductive decay method

    用光電導衰減法測定鍺中少數載流子壽命
  6. Testing of materials for semiconductor technology - measurement of carrier lifetime in silicon single crystals - recombination carrier lifetime at low injection by photoconductivity method

    半導體工藝材料的試驗.硅單晶中載流子壽命的測量.用
  7. Standard quantitative carrier test method to evaluate the bactericidal, fungicidal, mycobactericidal, and sporicidal potencies of liquid chemical microbicides

    評估液體化學殺蟲劑殺菌殺霉殺分枝桿菌和殺芽孢潛能的標準定量帶菌試驗方法
  8. Standard test method for quantitative sporicidal three - step method to determine sporicidal efficacy of liquids, liquid sprays, and vapor or gases on contaminated carrier surfaces

    在受污染的載體表面測定液體噴液蒸氣或氣體的殺孢子效率的定量殺孢子三步法的標準試驗方法
  9. Standard quantitative disk carrier test method for determining the bactericidal, virucidal, fungicidal, mycobactericidal and sporicidal activities of liquid chemical germicides

    液體化學殺菌劑的殺菌,殺病毒劑的,殺細菌的,殺分枝桿菌的,殺芽孢菌劑活力測定的標準數量盤載波試驗方法
  10. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型,分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析,數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上,提出了雙星定向精度衰減因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程應用具有重要的指導意義。
  11. The article has collected data / information concerning total crude and products trade, tanker fleet productivity, tanker fleet deliveries and deletions, developing of new building market, etc. on the basis of this, the article has taken middle east ? apan trading line as an example, had a deep study of the method of technology and economy demonstration of large oil carrier and had an analysis and comparison of different ship type plan, by means of computer calculation

    本文在收集、分析世界石油海運量、世界油輪船隊的發展和現狀、航線狀況以及新造船市場的發展與現狀的基礎上,以中東?日本航線為例,深入研究油輪論證的方法,通過計算機輔助計算,選擇出了適合該航線的最船型。
  12. The carrier bar of the mud scraper in horizontal flow basin, concentration tank and secondly precipiting basin is blongs to pole and beam structure. in this paper, the method of finite element is used to analyze the structure, and provides the basic theory and the process of analysis

    水處理設備平流池、濃縮池、二沉池的刮泥機承載梁屬于桿梁結構。文中採用了有限單元法對其進行研究,並且給出了有限單元法的基礎理論和分析過程。
  13. Abstract : the calculation method of temporary load of the continuous carrier bar with different distance span was discussed. the length calculation in design of the pressure bearing bar with the different distance span which has to be worked out can be done by means of this method , thus making the structure design in construction more accurate and convenient

    文摘:討論了不跨連續壓桿的臨時荷載計算方法,應用該方法可以解決不跨受壓桿件設計中必須解決的長度計算問題,從而使施工結構設計更為準確簡便
  14. The calculation method of temporary load of the continuous carrier bar with different distance span was discussed. the length calculation in design of the pressure bearing bar with the different distance span which has to be worked out can be done by means of this method , thus making the structure design in construction more accurate and convenient

    討論了不跨連續壓桿的臨時荷載計算方法,應用該方法可以解決不跨受壓桿件設計中必須解決的長度計算問題,從而使施工結構設計更為準確簡便
  15. In order to attain high accuracy of gps satellite navigation, positioning and low cost in precision agriculture, it is studied a method of gps pseudo - range observation and carrier phase measurement to combine the actual conditions of agriculture. it is presented a method of high accuracy positioning and measure based on gps oem board in this paper, and proved the feasibility of key technology with emulations and field tests

    為了適應精準農業高精度、低成本的gps定位導航應用要求,本文通過對gps偽距和載波相位定位方法的研究,結合精準農業的實際情況,提出了基於gpsoem板的高精度定位與測量方法,並用模擬和田間試驗驗證了各關鍵技術的可行性。
  16. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發,節省系統資源,課題首先從數字信號處理的理論進行分析,得出可以利用抽樣率轉換的數字濾波器的特點,即多相濾波實現數字上下變頻計算負擔的減小,之後進一步將多相濾波器與頻譜搬移部分結合,通過公式的推導,得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  17. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  18. Abstract : the eassay supply some pratical measures and method about selecting material, manufacturing applicating and inspecting on safety sign. making the enterprise to standardise their manufacture inspection and application with aim of turning the safety sign into the carrier which can transmit safety messages in enterprise

    文摘:就國內企業在安全標志的選材、製作、檢驗使用中存在的一些問題,提出了一些針對性較強同時具備可操作性的措施和方法,以便於生產企業和使用單位進一步規范其製作和使用安全標志的標準,使安全標志真正成為為企業傳遞安全信息的載體。
  19. Rapid analysis of low - content ag in chemical - prospecting samples by solution carrier method

    溶液載體法對化探樣品中低含量銀的快速測定
  20. We use the spread spectrum carrier method to improve the ability of anti - disturbing and reliability of the transmission of the data, the theory of the spread spectrum communication and its realization in the power line carrier is discussed in detail

    提出一種使用擴頻載波的方法,以求達到較高的抗干擾能力和數據傳輸可靠性,文中詳細論述了擴頻通信的原理及其在電力線載波中的實現。
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