頻率基本數據 的英文怎麼說

中文拼音 [bīnběnshǔ]
頻率基本數據 英文
frequency database
  • : 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
  • : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • 頻率 : frequency; rate
  • 數據 : data; record; information
  1. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    文以拉格朗日方程為理論礎,對慣性制動器在制動時的振動進行學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角分別與制動環和摩擦片之間的摩擦系、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參之間的關系,為慣性制動器的結構優化提供了理論依
  2. Function shows the duration and frequency of each behavior pattern, and the output file of the frequency contingency table. all saved files are in ascii format and can be read by most commercial word processors and statistics programs

    在分析功能方面,除了可計算每一行為目錄的持續時間和發生之外,並可以把行為序列轉換成度關連表,再由
  3. Analyzing data " function shows the duration and frequency of each behavior pattern, and the output file of the frequency contingency table. all saved files are in ascii format and can be read by most commercial word processors and statistics programs

    在分析功能方面,除了可計算每一行為目錄的持續時間和發生之外,並可以把行為序列轉換成度關連表,再由
  4. By analysing the relationship among the parameters such as substrate, speed, tension, rotational speed, shape distortion of paper etc, this article put forward a control law to control the drive transmission roller in emery cloth and sand paper production line, the principle is based on hooke ' s law

    摘要文根彈性力學中的虎克定律,結合砂布砂紙生產特點,分析計算了生產線中體、應變、速度、張力、轉速等參之間的關系,建立了砂布砂紙生產線中傳動輥轉速()運動方程。
  5. 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,文還對絮凝動力學和絮體結構進行了研究,在前人研究的礎上,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式,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,模型計算結果與試驗對比表明,二者趨勢一致,在沒有使用經驗參的情況下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,計算得到的模型絮體分形維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。
  6. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通信帶資源緊張,音傳輸帶寬有限且復雜多變,而各種音又日益增多的局面,文研究小波分析在信號處理方面的學依和在壓縮方面的實際意義,在前人不斷工作的礎上,提出了一種優化小波包變換編碼方案用於音的壓縮演算法,兼考慮了編碼效、多碼和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音信號及多種小波函做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。
  7. Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features

    文首先介紹了情感語音庫的建立情況,然後研究了、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用,並且通過一種於模糊熵的特徵有效性分析方法進行了有效特徵的篩選,應用人工神經網路建立了初步的語音情感識別模型,經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。
  8. After elaborating the principle of an 802. lib key modulation scheme - complementary code keying ( cck ), this paper proposes and realizes a hardware circuit solution of 802. 11b pcmcia wlan interface card, which can reliably offer a maximal 11mbps data rate and freely switch within 14 working channels in 2. 4ghz frequency band

    接著在詳細闡述了802 . 11b協議核心調制技術?互補碼鍵控( cck )的原理的礎上,文提出並實現了一種峰值傳輸速為11mbps的802 . 11bpcmcia高速無線網卡的硬體電路設計方案,在2 . 4ghz段該網卡可在14個工作通道上自動切換,實現高速突發的可靠傳輸。
  9. The assembly language program collects and processes the data real time. comparing kinds of method of filter and arithmetic of fft, the author select the fir filter to realize pretreatment of signal and radix - 2 fft to distill the characters of librations

    通過對各種濾波方法和fft演算法進行比較,檢測和校準處理系統採用fir濾波對採集到的信號進行預處理,利用2fft演算法來提取信號的特徵。
  10. Firstly introduced the basic theory and method with which the analog signal can be convert to digital form, including sampling theory and course, quantification and quantification error, coding, beside those we discussed some applications of sampling technology, the reason of frequency mixture and the method to eliminate it chapter 4 introduced analog mux - switch, for the reason of simpleness we only introduce it briefly

    從第3章開始,對採集的理論進行討論,首先介紹了模擬信號字化處理中的理論、方法,包括采樣過程、采樣定理、量化與量化誤差、編碼,還討論了幾種采樣技術的應用、混淆產生的原因及消除措施。第4章,介紹了模擬多路開關。
  11. ( 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,計算了一個8倍的條紋函壓縮編碼結果,並給出了簡單易行的解碼方式。 6 、利用獲得的條紋函合成了一個於序列視差圖像的立體圖顯示,實現了三維未知的物體的三維全息顯示。
  12. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊,對輸入的實驗進行了最小二乘法的曲線擬合;根曲線擬合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由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振及電氣模擬網路參課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振及其電氣網路參。同時,採用當前比較先進的web技術,實現了於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。
  13. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    文從星載雷達的星地幾何關系入手,舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型,研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法,並在此礎上研製了星載合成孔徑雷達系統設計與模擬軟體,完成雷達系統天線尺寸、脈沖重復、信號帶寬、雷達信號、雷達發射功、衛星平臺的偏航牽引等幾個方面的系統參設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析,最後完成雷達回波信號的模擬。
  14. The bridge can continue push the dvb - c transport stream coming from the receive card to the universal media player to display online. in order to be compatible with the data rate in the bridge, the parser must have these functions : identifying the format of each elementary stream ( es ) ; repacketing the es frames or packets into small samples ; timestamping each sample for decoding and delivery by the arithmetic of getting the pts of an audio frame

    音視解析器的設計兼容了橋接器對推送的速,在該解析器中通過「解析音視流」演算法來識別出每一個流的格式、每一幀,並對這些重新打包成一個個sample ,再通過「音pts的獲取」演算法給這些sample打上正確的「 directshow 」時間戳,最後在相應的輸出pin上進行發送。
  15. The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

    這種方法的實質是在監控特權進程的正常系統調用礎上建立正常行為模糊子集a ,用檢測到的實時調用序列建立模糊子集b ,然後用模糊識別方法中的最小距離原則進行檢測。文的創新點是:通過對特權進程的系統調用及參序列的研究,提出了於euclidean距離的入侵檢測方法edid ,不僅能有效降低漏報和誤報,而且使實時入侵檢測成為可能;設計有獨立而完整的特徵庫,根被監控程序的類別,分別設計正常行為、異常行為等,提高了檢測系統的強健性和可伸縮性;特徵庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行度優先原則,優先分析和處理信息表中的高度行為特徵,提高檢測的速度和效,使實時入侵檢測成為可能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。
  16. It can dynamically determine the structure information need to index according to real query loads and opti mization of index. second, to consider the effects of structural information on result relevance ranking, this dissertation proposes a ranking algorithm that consider both the frequency distribution and structural distribution of keywords in the result, and a dynamic element - oriented method to compute the weight of keywords

    第二,為考慮xml中的結構信息對查詢結果相關度值的影響,文提出了一種綜合考慮關鍵字分佈特徵和結構分佈特徵的查詢結果相關度演算法,以及一種於節點的關鍵字權重計演算法,取得了更優的檢索性能。
  17. Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system

    首先在流變學原理的礎上,深入分析混凝土在輸送管道內的流動狀態,得出混凝土泵的負載特性方程;然後根鍵合圖的建模方法,建立泵送迴路和分配迴路的學模型,並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬,分析了在不同的輸入流量(泵送)和換向時間下,活塞桿的位移和系統的液壓沖擊情況,找到了引起液壓沖擊的根原因(即分配迴路的響應時間(固定值)與活塞桿的運動時間(變化值)不相匹配) ,並提出了相應的改進方法。
  18. In the process of mt depth measurement, frequencies with 40 numbers are basically used at present

    摘要在大地電磁測深中,目前上使用40個點的
  19. ( 2 ) in the study of multivariate phenomena, each time variable should possess its own scaling parameter in order to allow maximal flexibility in time - frequency. the notion of multifrequency multifunction wavelets, to be introduced, is based on this point of view. multifrequency wavelets, via directional multiresolution analysis, generated by a single function is extended to multifrequency multifunction wavelets generated by a finite number of functions

    ( 2 )在研究多變量問題時,為了使時分析具有最大的靈活性,要求每個時間變量都有它自己的尺度參,鑒於此,文從尺度函構成正交或riesz出發,把一維多函小波推廣到二維多多函小波,解決了構造正交或雙正交多多函小波所需要的理論依
  20. After studied a great many of tcp - friendly congestion control protocols and the quality - oriented rate control methods in this thesis, we design a congestion control protocol rooted upon a specific application, to manipulate the output video rate of fgs - the scalable mpeg - 4 encoder. since the mpeg - 4 video streams consist of multi - objects, we present two rate control policies : one is priority - bl ( base layer ) based, the other is priority - object based, and the priority is decided by cb - tfrc taking account of the user ' s mind, thus we accomplish the content - based tcp - friendly rate control

    文在研究了各種tcp - friendly協議和面向質量的速控制方法之後,設計了一種與具體應用相關的擁塞控制協議cb - tfrc ,可以對mpeg - 4可伸縮性編碼器fgs的輸出速進行控制,針對包含多個對象的mpeg - 4視流,提出了優先保證和優先保證對象的兩種速分配策略, cb - tfrc可以根用戶感興趣的內容,來決定採取哪種策略,從而實現於內容的tcp - friendly擁塞控制。
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