時標比較器 的英文怎麼說

中文拼音 [shíbiāojiào]
時標比較器 英文
clock comparator
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ動詞1 (比較) compare 2 [書面語] (計較) dispute Ⅱ副詞(比較) comparatively; relatively; fair...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 比較 : 1 (對比) compare; compare with; contrast; parallel (with); comparison; by comparison; in comp...
  1. When measuring the magneto performance parameter , we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard , and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ; because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable , it make the measure of ignition energy become a difficult thing of ignition system performance detection

    在磁電機常規測量,發現在國家準中用於測量電壓、電流的儀仍然是普通的電壓、電流表,而觀測到的波形多為不規則的形狀,根據測量原理,顯然不能用其來做定量的分析;由於點火系統的放電過程復雜,伴隨著很強的電磁干擾,點火電流、點火電壓都是變量,使得點火能量的測量成為點火系統性能測試的一個難點。
  2. An under estimation of the hearing effects by the low frequency noise could be happened. that is to say, even if the a - weight sound level is small, the low frequency noise may annoy to listener by the different ways from the high frequency noise. so it is necessary to understand psychoacoustics in order to make noise quality evaluations that match the subjective experience of the purchaser

    應用主觀評價方法?成對法( paircomparisonstatisticalevaluationmethods )對不同家用空調噪聲進行主觀評價試驗,並與客觀評價結果進行了對,結果表明:人主觀響應(煩躁程度)與各心理聲學評價指之間均具有很高的相關性,相關系數一般均大於0 . 9 ,而與a計權聲壓級之間的相關系數只有0 . 78 。
  3. Targets in the radar ppi have the main property of the little area, a few targets and irregular change of grey. so it is difficulty to detect and track the target. the study of the radar ppi is very few inland and abroad. with the development and implement of high resolution radar and high resolution raster display, target _ tracking and detecitng based on the radar ppi will be feasible. it ' s great excellence is to increase time accumulation compare with the detecting techenicial of the traditional radar

    雷達ppi中目的特點是面積小,目或可能的目多,灰度、形狀變化無明顯規律,所以檢測和跟蹤目困難。基於雷達ppi的研究國內外甚少,隨著高解析度雷達和高分辨光柵顯示的發展,基於ppi的雷達目檢測和跟蹤成為可能。與傳統的雷達目檢測技術相,其潛在的優勢在於大大增加了信號的間積累,因此有可能提高檢測性能。
  4. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先,作者針對機人的設計要求提出了多個方案,對其進行分析,選擇其中最優的方案進行了結構設計;同進行了運動學分析,用d - h方法建立了坐變換矩陣,推算了運動方程的正、逆解;用矢量積法推導了速度雅可矩陣,並計算了包括腕點在內的一些點的位移和速度;然後藉助坐變換矩陣進行工作空間分析,作出了實際工作空間的軸剖面。
  5. Focusing on the tactical index of ew system - bearing accuracy, this article makes deep - through analysis, comparison and study of the theory basis for traditional direction finding method. a 16 - channel monopulse amplitude - comparison direction finding method and new phase - delay estimating method has been proposed to use, through computer ' s analog computation and relative measures in actual engineering practices, the bearing accuracy of traditional method has been increased and the service requirement of the ew weapon system and adaptability of equipment satisfied

    本文圍繞著電子戰武系統的戰術技術指?測向精度,對傳統的測向方法的理論基礎進行了深入的分析、和研究,提出了採用16通道單脈沖幅測向體制和新的相位延估算方法,通過計算機的模擬摸擬計算,以及在實際的工程實現中採取的相關措施,解決了採用傳統的測向方法提高測向精度,滿足電子戰武系統的戰術技術指要求和裝備的適裝性。
  6. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術,包括傳輸、交換、組網等,重點研究了光交叉連接的功能和結構、性能,對其引入的串擾進行了詳細分析,選擇恰當的件參數進行了數值模擬,並提出了抑制措施(如雙重濾波、優化判決門限、選擇恰當的復用波長數) ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題(光網路類型、業務類型、流量類型、光網路生存性) 、 r認人演算法的分類和,具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立間為優化目的r認認演算法,提出預置光路的概念,對網路資源進行狀態分類(佔用、未佔用、預置) ,利用改進的r認叭演算法模擬,預置光路可為部分新到的連接請求快速建立連接,從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目的r認城演算法,提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數,利用基於波長分層圖模型的并行r場人演算法模擬,利用新的鏈路權重函數使得演算法具有更優的性能,使網路具有更低的連接阻塞率。
  7. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制及機端電壓最優控制,通過模擬實驗與採用常規的按電壓偏差進行調節的例式勵磁控制+汽門例控制及採用常規的按電壓偏差進行調節的例式勵磁調節和基於二次型性能指設計的最優快控汽門(考慮發電機的飽和因素)進行了對,證實了採用此種控制可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾同樣具有良好的調節性能。
  8. After compared some different types of color label in robot soccer system, which have different effects on vision identification. this thesis designed a new color label. in the new color label, the angle identification only depends on teamcolor, and the new color label is easier to be identified

    研究了多種不同的足球機人小車頂部的色識方法,了不同的表示方法對識別的影響,提出了利用隊( teamcolor )同進行位置和角度識別,利用隊員( idcolor )進行正方向定的方法,實際應用表明該方法具有高的識別精度。
  9. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀在線控制高頻采樣動態跟蹤測量系統,采樣率大於5hz ,在跟蹤小於2cm / s低速運動目,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基準的定和觀測棱鏡偏心差的測定;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量滯及其穩定性進行了測試分析,給出了定量的結果;了全站儀和計算機的內部間系統,發現兩者存在大差異。
  10. Based on the research and analysis of system structure of 10 - bit 100msps pipelined cmos adc, according to the system performance, the specifications of sub _ adc is obtained, while the sub _ adc including the preamplifier - latch comparator, the reference ladder resistance and the clock - control encode circuits are discussed in detail

    基於對10 - bit100mspspipelinedcmosadc系統結構的分析研究,結合系統性能確定了子adc的指要求,詳細討論並設計了子adc單元模塊的設計,包括預放大鎖存,參考電阻串和鐘控制編碼電路。
  11. At the same time, this paper annaylses the particle - detector interaction and the detector response. the behaviors of electrons, photons and hadrons in eemc are studied and they are also compared with the rusults in barrel electromagnetic calorimeter ( bemc ). also, the calculation and realization method of standard electromagnetic interaction is compared with the low electromagnetic interaction

    ,分析粒子與探測相互作用及探測的響應處理,分析電子、光子和強子在端蓋量能的行為,與桶部量能的模擬結果進行對研究,並對低能電磁相互作用和準電磁住作用的計算方法和實現方法進行了
  12. The far - distance targets can be detected with the aid of the satellite image and the ample respond time of the defensive system can be provided ; the cryptic cruise missile and anti - radiation cruise missile can be effectively detected and tracked recur to the infrared image. radar is widely used in the cruise missile defensive system. the radar in the sky can detect the further flying cruise missile, ground based radar and coastal defense radar can track and help weapons system aim at the oncoming force cruise missile

    在目前情況下,衛星圖像、紅外圖像以及雷達成像在探測、跟蹤、識別、打擊巡航導彈目方面具有相當大的優勢,藉助于衛星圖像可以在遠距離發現目,能夠為防禦系統提供充足的響應間;藉助于紅外圖像可以有效對付隱身巡航導彈和反輻射巡航導彈;雷達是在巡航導彈防禦系統中使用最多的設備,空基雷達能夠探測離防區遠的巡航導彈,陸基雷達和海基雷達能夠跟蹤巡航導彈,並可協助武系統瞄準來襲巡航導彈,尤其是雷達陣在巡航導彈防禦中更是可以發揮重要作用。
  13. The project is to develop the 100mhz wideband digital storage oscilloscope ( wdso ) , typical performance character : input signal - 3db bandwidth is 100mhz, real time sampling frequency is 20msa / s, equivalent sampling frequency is 10gsa / s, resolution is 8bits, dual signal channel, and delicacy is 5mv 5v div per channel , time sweep velocity is 2. 5ns - - 5s div 。 so the project is provided with higher performance - to - price ratio, stronger competitive capacity in market and widest applied foreground at the area of wdso

    本次課題的具體目是實現100mhz帶寬的數字存儲示波正樣機的研製,具體主要性能指達到最高實采樣率20msa / s 、等效采樣率10gsa / s 、被觀測信號3db模擬帶寬達100mhz 、采樣數字解析度8bit ;雙通道,幅值靈敏度: 5mv 5v div ,掃速2 . 5ns - - 5s div 。該方案具有高的性價強的市場競爭力和廣闊的應用前景。
  14. Experiment results show that the algorithm is effective as well as settlement. some measures for improving the locating precision are presented also. a robot vision locating experiment is completed based on dynamic position - based look - and - move visual servo control structure and experiment results show that the robot vision system has high locating precision

    利用此實驗裝置採用手眼立體視覺定位方法實現了目的三維視覺定位,實驗結果表明了該演算法的有效性,同對實驗中發現的問題提出了一些解決措施;在此基礎上采川基丁位置的動態「 lookandmove 」視覺控制方法完成了motoman機人的視覺定位實驗,從實驗結果可以看出整個系統的定位精度高,完全適用於一般的機人視覺定位場合,並給出了進一步減小定位誤差的方法。
  15. The disease in jaw surface will be drop the bite force ; the bite force in the patient who disease in temporal jaw joint descent obviously than normal person ; serious mistake in join deformity, the acute damage in the area arthritis can also drop the bite force evidently ; compare to normal children, wenneberg fund that the bite force lower and the duration of the biggest bite force shorter in the children who fall ill of the chronic arthritis ; the bite force also be used in appraise of the recovery condition in surgical operation 、 disorder in jaw arthritis and the serious bone offset in bite lopsided etc. some materials, it will be produce polarization phenomenon inside when suffered some force in certain direction, at the same time, it produce opposite electric charge in two of the surface ; and resume to the station of on - electrification when removed the outside force ; change the direction of the outside force, the polarity of the electric charge also be changed, this kind of phenomenon is called as “ piezoelectric effect ”

    本文設計了石英晶體壓電傳感,以它作為傳感元件把咬合力信號轉變成電信號;利用ts5860型準靜態電荷放大把傳感的電荷信號轉變成電壓信號;選用usb7822數據採集卡,編寫該數據採集卡的驅動程序,採集該電壓信號並送到計算機里;編寫labview程序對該信號進行處理,得出咬合力值和咬合力曲線,並把測量結果以電子表格的形式保存,以便做進一步的分析和研究。通過對該測量儀的靜態定、動態定、溫度漂移定以及實際測量試驗,證實了本測量儀具有高的靈敏度、受動態力和溫度變化的影響小、能實地顯示咬合力曲線和準確地顯示咬合力值,滿足了咬合力測量的要求。
  16. They are agricultural productive materials price growth rate, sown area of grain crops growth rate, grain yield per area growth rate -, natural disaster covered grain areas growth rate, net grain import change rate, grain reserve change rate, population growth rate, per income growth rate, city and town population growth rate, food industry production value growth rate, year - end pig number growth rate, medical & pharmaceutical and textile industry production value growth rate, grain marketization degree, inflation rate using the previous year as base year ( preceding year = 100 ), public grain purchases price growth rate, investment in agricultural science and technology growth rate, investment in agricultural infrastructure growth rate, growth rate of graduates number from agriculture, forestry, science & technology universities and colleges and specialized secondary schools, government expenditure for agriculture and agricultural credit growth rate, international grain price growth rate, rmb exchange rate growth rate, last grain price growth rate, economic crop price growth rate, meanwhile, a new method is attempted to be used in this paper and the grain price early - warning problem is transformed into machine learning problem by introducing statistic learning theory and svm method which are gaining popularity in machine learning field at present in the world

    在此基礎上,篩選出23個警兆指:農用生產資料價格增長率、糧食播種面積增長率、糧食單產增長率、糧食受災面積增長率、糧食凈進口量變化率、糧食儲備變動率、人口增長率、人均收入增長率、城鎮人口增長率、食品工業產值增長率、豬年末頭數增長率、醫藥紡織工業產值增長率、糧食市場化程度、以上年為基年的通貨膨脹率、國家糧食定購價格增長率、農業科技投入增長率、農業基礎設施投入增長率、農、林、科技高校大、中專畢業生人數增長率、財政支農資金重及農業信貸增長率、國際糧食市場價格增長率、人民幣匯率增長率、上期糧食價格增長率、經濟作物價格增長率。同論文在預警方法上作了新的嘗試,把糧食價格預警問題轉換成一個機學習問題,引進當前國際上機學習領域中熱門的統計學習理論和支持向量機方法,用順序回歸演算法對歷史數據進行學習建立了糧食價格預警模型。
  17. Test vector generation based on ant algorithm is presented and implemented, the pheromone computation formula for sequential circuits and status transfer rules are given, and the test results are compared with the results of the other existing test generators - hitec, gatest, cris, digate and strategate, based on standard sequential circuits iscas ' 89 and other synchronous sequential circuits

    提出並實現了基於螞蟻演算法的測試矢量生成,給出了針對序電路測試矢量生成的信息素計算公式和狀態轉移規則。在iscas 』 89序電路和幾個同步序電路上實現了測試生成,並將生成結果和其它現有測試生成( hitec , gatest , cris , digate , strategate )的生成結果作了、分析。
  18. The goal we must achieve, when designing distributed parallel file system, was analyzed also. the thesis present the logic structure of dpfs, the structure and the flush strategy of the module of directory cache and its role in the read - write operation, duplicate table ' s physical and logical structure, the management and synchronization algorithm of the duplicate table, and the model and the management algorithm of the module of intelligent duplicate management. also the effects that dpfs exerts to the system reliability and the read and write performance compared to ext2 were analyzed

    本文首先介紹了數據存儲的發展概況與新的需求,分散式文件系統對其發展的重要影響以及設計分散式文件系統需要考慮的各種問題;然後分析了為滿足分散式并行服務的功能需求, dpfs應實現的目;接著介紹了dpfs設計的總體邏輯結構,目錄緩存管理模塊的結構設計、刷新策略以及該模塊在文件讀寫重定向中的作用,副本表的邏輯、物理結構、對其緩存的管理和同步演算法的實現,以及副本智能管理的設計模型及其管理演算法的設計與實現,還分析了dpfs對系統可靠性的影響以及在讀寫文件與ext2文件系統性能的
  19. Moreover, the components of the radial acceleration are theoretically derived, and the processing methods such as the signal sampling, the dynamic marking and storing, the noise removing, the slope comparison and the onset detection of braking operation are described

    文中對加速度傳感信號的組成進行了理論推導,並闡述了傳感信號的采樣、動態注和存儲、平滑去噪、斜率以及制動起始刻判定等的處理方法。
  20. Use fft as an example algorithm, analyze the structure of the algorithm to build the reconfigurable system and to implement the design. the pipeline thinking was used in the schema. 3. puts forward two schemes related to float multiplier, and compares them

    本論文參考了現有的幾種典型乘法結構,提出兩種乘法結構方案,並進行分析,在滿足性能指的同,還考慮了體積、功耗、等因素,在此基礎上,進行了可重構技術應用的研究。
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