計數式頻率計 的英文怎麼說

中文拼音 [shǔshìbīn]
計數式頻率計 英文
counter type frequency meter
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 數副詞(屢次) frequently; repeatedly
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • 計數 : count; tally; counting計數卡 numbered card
  • 頻率 : frequency; rate
  1. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系,系統地得到了以離軸角為自變量的各參算公及相應的關系曲線,通過值分析方法給出了聲光優值隨中心的變化曲線並給出了器件的設
  2. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    保護中,如果用差分代替求導將導致噪聲的百分比誤差隨著采樣的提高而劇增,本文對此進行了分析並提出了用分段樣條函最小二乘法來算電流波形的導值,以便在提高采樣的同時降低噪聲誤差的影響,並將其應用於基於32位浮點dsp的新型變壓器保護裝置。
  3. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞表達,應用了顆粒量平衡方程,從而建立了絮凝過程的動力學生長模型,模型算結果與試驗據對比表明,二者趨勢一致,在沒有使用經驗參的情況下基本上能夠描述黃河泥沙絮凝過程中絮體量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,算得到的模型絮體分形維基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  4. As a new development in the field of electronic oscilloscopes a hand - held digital oscilloscope is a truly integrated test tool, with digital storage oscilloscope ( dso ), multimeter and digital ondometer in one easy - to - use instrument

    =手持字示波表是示波器技術的一個新的發展方向。通過使用大規模集成電路和液晶顯示器,它把字存儲示波器、字萬用表組合在一個手持儀表體內。
  5. A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt

    本文提出了基於單光纖光強度反射法的非接觸微振動測量系統的原理,並設製造了該測試系統,探索出了簡單方便可靠的測量方法,能夠準確客觀地反映蔭罩振動的各項參(各振動模的振動、振幅、衰減時間) ,實現了測試裝置的簡便化和測試過程的自動化,為cpt張緊蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。
  6. ( 5 ) method of bandwidth compression of holographic grating based on discrete spectrum and realization of a 1 / 8 bandwidth compression of holographic grating ( 6 ) holographic stereogram display that can be implemented using cgh and imaging process through capturing sequence parallax images based on result of computed basis fringe

    採用空間域的子采樣,算了一個8倍的條紋函壓縮編碼結果,並給出了簡單易行的解碼方。 6 、利用獲得的基本條紋函合成了一個基於序列視差圖像的立體圖顯示,實現了三維據未知的物體的三維全息顯示。
  7. A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation

    該方案以pc機和dsp系統為核心構成主從機系統框架,以基於虛擬儀器思想的pc機應用程序和基於dsp的嵌入實時操作系統構成雙重軟體結構,把傳統的超聲波無損檢測技術和先進的虛擬儀器技術、字信號處理技術、嵌入實時操作系統、算機介面通信技術相結合,從而滿足了自動化探傷中1k / s的重復和實時報警的要求。
  8. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了差錯控制技術、多進制調制( mqam ) 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函法、多抽樣信號處理包括(整倍內插原理、分倍抽樣轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣轉換的多級實現) 、分散演算法、 cic濾波器、直接合成( dds ) 、 cordic演算法。
  9. Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula

    本論文通過對這種分離減震支座各組成部分工作機理的研究,提出了該分離減震支座整體的算分析方法和設流程;通過高阻尼橡膠剪切試驗,分析了高阻尼橡膠剪切面形狀、剪應變幅值、激勵和試件高度對特徵參(動態剪切彈性模量、耗能模量、損耗因子)的影響。
  10. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    在動態值分析中,針對世紀塔變截面的塔身,曲線軸線的拱以及柔性拉索相互耦合時清況,建立兩種有限元算模,利用有限元軟體algorfeas得到動力值分析的結果,如:自振、振型、動位移、動應力等等,再和振動臺試驗研究成果作比較,得到一些重要的結論,從而為南京世紀塔工程的設和施工提供強有力的依據,而且為類以於世紀塔工程的其它塔-索-拱結構的設也提供一定的參考。
  11. Precision improvement of digital frequency counter with match strobe signal

    用選通門匹配方法提高計數式頻率計的測量精度
  12. The ? 1 word count error exists in nearly all kinds of digital time and frequency measuring instrument and it affects the instrument ' s measuring precision tremendously

    在所有的時間及測量設備中,幾乎都存在著1個字的誤差。它的存在,極大地影響儀器的測量精度。
  13. The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability, kmax / k and k. max / k. min of sand layers of different sedimentous microfacies ; divides interlayer into two types, and counts their numbers, thickness, frequency and density of a single sand layer according to the characteristics of lithology and logging, finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c. the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor, sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves

    層內非均質性研究,通過算不同沉積微相砂體滲透的變異系、突進系以及級差來說明主要儲集微相的非均質特徵;據巖性及電性特徵,將層內夾層分為兩類,統單砂層段內夾層的個、累積夾層厚度、夾層及夾層密度,並且根據夾層及密度平面分布圖統出每層的相對高值區和低值區,總結夾層分佈特徵;根據物性參隨深度的變化趨勢建立了五種儲層層內物性非均質模,指出研究區內以a型和c型模為主。
  14. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    算分析和二維值模擬分析結果表明:梳狀集電結(基區)結構在不增加器件本徵集電結面積的條件下,增大了器件的本徵散熱面積和基區周長,改進了每個子器件單元內的散熱方,提高了單元內結溫和電流分佈的均勻性,降低了器件的熱阻,增大了器件的耗散功和輸出功,較好地緩解了目前傳統結構中與功、功耗的矛盾,並有利於改善器件抗二次擊穿的性能。
  15. Based on the analysis of the kinetic track of the scallion during planting, basic relationships ' among the characteristic parameters of the transplanter with two flexible metal disks, including the velocity of the transplanter, the rate of transplanting, the spacing between seedlings, the angle of releasing seedlings, the diameter and length of seedlings, have been set up in this paper, and then a mathematic model of optimum design for the transplanter with the final planting angle of seedlings ( y = 90 ) has been formulated and solved with good results. according to the optimum solutions, a new type of transplanter with two flexible metal disks has been developed and the field tests of the transplanter have been conducted

    為了實現大蔥機械化移栽,作者分析了國內各種移栽機的結構特點,確定了以撓性圓盤栽植器為研究對象,在分析撓性圓盤栽植器的運動軌跡和特徵參的基礎上,完整地確立了撓性圓盤移栽機的基本參:栽植、栽植株距、機組前進速度、輸送帶上秧槽的間距、撓性圓盤半徑、撓性圓盤的轉速、夾苗株以及傳動比之間的相互關系,並建立了以蔥苗栽植傾角= 90為目標的優化設學模型,提出了撓性圓盤大蔥移栽機的優化設方法。
  16. 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臺下,首次利用labview中的直線擬合模塊、指擬合模塊以及多項擬合模塊,設了一種對實驗所得據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線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及其電氣模擬網路參;最後通過labview提供的網路功能,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測試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  17. According to transcendent knowledge, this algorithm classifies modulation systems by computing instantaneous frequency and instantaneous bandwidth of signal and regarding them as modulation parameters

    該演算法憑借先驗知識,通過算信號的瞬時和瞬時帶寬,並以此作為制識別參來判斷信號的調制類型。
  18. The telemetry delays for each tool have been standardization as channel alphabetical letters. so the telemetry gauge and interface circuit of tools are designed in this paper. the temperature data of the new kind of telemetry tools has special format consisting of an 8 bit digital temperature wore over an 8 frame time period for its high frequency and the data of flowmeter is uplinked on two time dot to determine downhole or uphole rotational direction

    本文重新設了新型遙傳短節和參測量儀器的介面電路,部分參的介面電路完全採用硬體電路實現;針對溫度參高於新型遙傳方可傳輸范圍的矛盾,提出了按「位」傳輸的新方;基於流量參特有的方向性,對流量據採用了兩道傳輸的方
  19. Counter type frequency meter

    計數式頻率計
  20. Design on the digital instrument of frequency and phase difference

    相位差測量儀的設
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