載波檢驗 的英文怎麼說

中文拼音 [zǎijiǎnyàn]
載波檢驗 英文
carrier detection
  • : 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 ...
  • : 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...
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  • 檢驗 : checkout; test; examine; inspect; verify; survey; check;checking;testing;[英國]jerque(指檢查船舶...
  1. Energy consume, electric strength, insulation resistance, ground conductivity, leakage current, microwave leakage, power input, normal temperature, humidity treatment, glow wire, horizontal flame, vertical flame, tracking, ball pressure, rainproof, water splash, dustproof, salt fog, endurance, motor load test, cord flexing, cord pulling, pull & torque test, lamp replacement, construction check etc

    能耗、電氣強度、絕緣電阻、接地連續性、泄漏電流、微泄漏、功率、溫升、濕熱試、灼熱絲、水平燃燒、垂直燃燒、漏電起痕、球壓試、防雨淋、防濺水、粉塵、鹽霧、耐久性(壽命)試、電機負、電源線彎折、電源線提拉、拉扭力測試、燈頭互換性、安全結構查等。
  2. Nowadays, the ways to detect the piles are various, and all of them are limited in some aspects. for instance, coring test do large scathe on the piles, and static load test will waste much time, money and energy, while some ways are hard to operate as the limitation of the length and the diameter of the piles, and the special condition on the spots, such as high - strain, low - strain, and so on. furthermore, the result can only be gained under the complex analysis of the collected wave, and under the validation of the coring test

    目前,工程中常用的樁基測方法很多,但都存在著一些弊端:有的對樁破壞性嚴重,例如抽芯測;有的耗時、耗財、耗力,例如靜荷試;還有的如低應變、高應變等測技術由於受到樁長、樁徑以及現場一些特殊情況的限制,操作很不方便,而且採集到的形要經過比較復雜的處理分析方能得出結論,而這個結論卻還要輔助取芯手段加以證。
  3. The travel time of lcr wave and applied stress showed well linear relationship in the qualitative and quantitative experiments, experimental result matched with the theory, achieved the anticipative requirements. these experiments validated the feasibility of evaluating the stress with lcr wave based on tdc travel time measurement preliminarily

    定性實與定量實顯示, lcr傳播聲時與加應力具有良好的線性關系,實結果與理論基本相符,達到了預定要求,也初步證了基於tdc聲時測量的lcr應力測方法的可行性。
  4. This method not only solve the problem of measuring the millimeter - wave detector system on projectile and testing on shooting range, but also bring forth a effective measuring way, and supply a good conditions for target identifying

    該方法不僅解決了彈毫米輻射計的系統測和靶場試測試問題,為型號研製、試及生產等環節提供了有效地測手段,也為目標識別研究提供了良好的條件。
  5. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機對空微輻射計探測雲中路徑積分液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式,得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的數值模擬結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可接受的精度。
  6. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器頻率)來判定系統是否出現低頻振蕩;最後的實結果證了系統低頻振蕩建模和判據的實用性和正確性。
  7. Standard for quality inspection and evaluation of petroleum construction engineering. telecommunication engineering toll open - wire carrier equipment installing engineering

    石油建設工程質量評定標準.通信工程長途通信明線電話安裝工程
  8. Standard for quality inspection and evaluation of petroleum construction engineering telecommunication engineering toll open - wire carrier equipment installing engineering

    石油建設工程質量評定標準通信工程長途通信明線電話安裝工程
  9. The constructionspeed of highwayincreases rapidly, at the same time, the path qualityexaminationdutyaggravatesdaybyday, andtheload ofroads evaluationalsoincreases quicklyin the maintenance. traditional method has many disadvantages, such asinefficiency, tiring, slow speed of evaluation etc. especially, the number ofmeasuring point is too little to give accurate and comprehensive result of theinterior recessive diseases of highway. beside this, the traditional method leadsdestructiontotheroadsurface, whichwillexacerbatethedeteriorationofhighway. in avoid not to affecting the normal travel and not to destroying the pavementstructure, it is urgently to apply nondestructive evaluation ( nde ) techniques tocontrol quality of highway construction and to estimate the running conditionaccurately. the nde techniques of highway have to satisfy the followingqualification : mapping the shape, size and depth of flaw precisely ; having nodamages to the road structure ; being capable of carrying out examination in widerange ; beingeasytoequipandoperate ; beinginsulatetotheenvironmentinfluence. theintelligenceintegrationevaluationvehicleforroadbedandpavement ( iievrp ) is just the comprehensive nde technique that can satisfy the demands above, which can implement detection of highway rapidly and nondestructively

    作為吉林省科技廳高新技術項目( 20020331 ) 「路基路面智能集成測車」的一個子項,本文在理論的基礎上,結合實對探地雷達測路面結構層厚度及路基、路面病害進行了研究,主要工作如下: 1 .闡述探地雷達發展的歷史和研究現狀,介紹探地雷達在路面結構層厚度測與路基、路面病害識別上的應用,分析探地雷達設備性能,探討其測量參數對探測性能的影響; 2 .引入matlab計算軟體,利用其中的小分析工具箱對探地雷達信號進行分析處理; 3 .構建適于道路測的車平臺,為進一步完善路基路面測車系統打下了基礎; 4 .通過對模型的測,對探地雷達探測性能做出定性或半定量的評價; 5 .通過對實際路面的測,證探地雷達在道路測中的有效性。
  10. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實室承力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲層析成像技術是砼樁的動態質量測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況,指出粘土地區也應考慮時間效應,並且進一步分析了基坑邊坡土體的塑性區形成和發展,找出邊坡最不利的區域,以確定地下室土體的挖掘的方式和順序,指出憑主觀臆斷與經來施工是不可取的;在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同,提出了節點處理技術;分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振動對土體邊坡穩定產生影響的觀點,並分析了在環境振動影響下,土體的應力狀態及土休失穩破壞概率,並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態,指出了被監測墻體的最大應力、應變位置。
  11. Based on the measured data of more than 100 deep stirring piles in a certain project, combined with static loading test on over 20 piles, this paper deals with the feasibility of using the reflection wave method to detect the completeness of the deep stirring pile body

    摘要根據某工程100多根深層攪拌樁的實測資料,並結合20餘根樁的靜結果,對反射測深層攪拌樁樁身完整性的可行性進行了探討。
  12. Contrast to such original place test method as static load method and drilling method, the method that applying transient rayleigh surface wave to inspect the compound foundation own many virtues as low cost, high efficiency, non - destruction, and it also can save much labour and effort. furthermore, it can implement the large - wide and comprehensive inspection and evaluation of compound foundation bearing capacity

    與靜、鉆孔法等原位測試方法相比,瞬態瑞雷測復合地基技術具有成本顯著降低、效率高、無破損等特點,可節省大量的人力物力,從而可以實現復合地基承力大范圍、全面的測和評價,打破以往只能局部抽的局面。
  13. Firstly, the study of real two - channel data recorded by the airborne battlefield radar is made based on the methods of gmti, which including the study of methods of two - channel equilibrium, that of the precious estimate of beam scanning angle, that of the doppler center, that of the compensation for pattern error and that of gmti and that of location of the moving target using the phase - comparison mono - pulse method

    首先,結合動目標測方法,對機遠程戰場偵察雷達實系統錄取的雙通道數據的處理進行了研究。內容包括兩通道均衡方法研究,束掃描角精確估計方法研究,多普勒中心估計方法研究,方向圖誤差補償方法研究,動目標的測和干涉定位方法研究。
  14. The technology of research include following. the computer order control to attain testing condition of relay ' s turn - on and off. to control of testing ac voltage by adoption of advance control strategy

    測控技術包括:實現模擬繼電器接通與分斷負條件的順序控制技術;採用先進控制策略的試電壓控制技術;試參數測技術;試參數形的實時顯示技術;以dsp (數字信號處理器)為核心的試數據高速採集技術。
  15. The theoretical and experiment results shows that the digital examine and control system which adopts vss lms algorithm can allow the apf to track changes in the system as well as produce a small steady state error, therefore ensures the speed and precision of apf. also erase / program flash on system and bootload are achieved

    結果表明,採用變步長lms演算法的數字化測與控制系統同時保證了諧測的速度與精度,在負變化時有更好的跟蹤能力,滿足有源電力濾器對諧測的要求。
  16. Meanwhile, the synchronization algorithm in the ds - ss system can be used in 2d - ss system, and good synchronization performance can be obtained, with its algorithm simplified. the third part analyzed the ber performance of mc - ss - cldd in the presence of multi - user interference in time - varying multipath fading channels

    在論文的第三部分中,研究了多用戶多頻域擴頻碼片級差分測方案:從理論上分析了頻率選擇性衰落通道下該演算法的誤碼率性能,同時進行了模擬證。
  17. Csma cd. test methodology for ieee standards for local and metropolitan area networks - specific requirements - part 3 : carrier sense multiple access with collision detection csma cd ; access method and physical layer specifications

    局域網和城域網ieee標準的試方法.特殊要求.第3部分:沖突測多路訪問
  18. The spaceborne sar raw data simulator can simulate the echo of the radar, which could be used in the test of the new spaceborne sar system design

    而星sar分佈目標原始數據模擬可以模擬生成自然地面場景的雷達回,用於新的星sar系統的
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