波高分析器 的英文怎麼說

中文拼音 [gāofēn]
波高分析器 英文
wave-height analyzer
  • : 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形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對光譜數據不同段的數據質量、段組合進行了評價,提出了適用於荒漠化監測的基本段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的類方法在很大程度上能夠消除由於傳感、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與類得到解決;研究還表明在植被「紅邊」范圍內的段是進行荒漠化監測的主要特徵段,這些段與植被生物量和蓋度都有密切的關系,是開展精細植被類研究和植被定量反演的重要基礎;像元的導數光譜可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並了模型的適用性。
  2. In this paper, the design of a practical sort of high performance biquadrates elliptic active band - pass filters is emphasized, and then the design techniques and how to calculate the resistors and capacitances, how to make computer simulation and tolerance analysis with computer are described in detail

    摘要本文我們重點介紹了一種實用的雙二次型性能橢圓函數有源帶通濾的設計方法,詳細介紹了該濾的設計步驟及阻容元件的參數計算,並對設計出的電路用計算機進行模擬模擬和容差
  3. 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

    在數字式保護中,如果用差代替求導將導致噪聲的百比誤差隨著采樣頻率的提而劇增,本文對此進行了並提出了用段樣條函數最小二乘法來計算電流形的導數值,以便在提采樣率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的新型變壓保護裝置。
  4. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此,對該站進行了串聯諧振和並聯諧振,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容湯6c頻繁燒保險的主要原因是5次諧電流含量偏,引起湯7c放電pt爆炸也是因為7次和9次諧電流被放大。針對這些導致湯陰變電站補償電容故障的原因,提出了相應的諧治理措施,包括針對湯6c電容5次諧電流含量偏的原因,提出了停運湯6c電容或者通過把湯sc電容的部容量併入湯6c電容(湯sc其餘部停運)以增加湯6c諧承受能力的措施;針對# 2變低壓側7次和9次諧電流被放大的現象,提出了在湯7c電容上加裝一定百比的串聯電抗的措施。
  5. Finally, a chebyshev function bpf with siw resonator was designed and realized by ltcc with 12 - layer substrate. a high performance elliptic function bpf with siw resonator was designed

    ltcc集成q濾實驗結果的基礎上,設計了一個基於siw技術的9層基片的性能的橢圓函數濾
  6. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括:一、總結了當前水下導航的常用方法和不足之處,指出基於航位推算的導航方法,存在著最大的問題就是導航誤差的積累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出基於聲學的導航方法,造價昂貴,導航范圍有限,難以滿足自主水下航行大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術路線,一是基於地形程的匹配方法,這是當前研究的重點;二是基於地形圖像的匹配方法,由於缺乏良好的圖像傳感,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形程匹配的常用方法應用到自主水下航行上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾為基礎的桑迪亞慣性地形輔助導航( sitan )方法,前者演算法簡單可靠,但是導航精度不,後者雖然精度比較,但存在著演算法較為復雜、有可能發散和出現奇異值等問題。
  7. This paper select the series - resonant inverter because it is more suited to high frequency power supply and it will be easy to enhance power capacity and enable the power supply to work on higher frequency if power is regulated in the rectifier. so uncontrolled rectifier and buck chopper constitute dc circuit is selected as rectifier circuit

    了感應加熱電源的各種調功方式,在對比幾種功率調節方式的基礎上,得出在整流側調功有利於頻感應加熱電源頻率和功率的提,選擇了不控整流加斬調壓作為研究對象。
  8. 2. based on studying canny operator and log operator, we take wavelet edge detection in allusion to smoothing image extremely and losing weak edge existed in gaussian filter

    ( 2 )在canny邊緣檢測演算法和log邊緣檢測演算法的基礎上,針對斯濾存在過度光滑圖像和丟失緩變邊緣的問題,採用基於小變換的邊緣檢測演算法。
  9. In the first part of the paper, the explicit form of difference equation and periodic boundary condition is derived in cartesian coordinate system. secondly, the dispersive characteristic is analyzed in cylinder coordinate system for many high power microwave devices use cylinder sws. and then the method is extended to calculate the band structure of 2 - d photonic crystal, a modified yee ’ s grid is introduced to calculate the dispersive characteristic in the case of triangular lattice, so that both square lattice and triangular lattice cases can be solved in cartesian coordinate system

    周期電磁結構的一個重要應用就是用作功率微件中的慢系統,考慮到目前大部功率微件的慢系統多採用圓柱周期結構,在論文第四章中,在圓柱坐標系下,給出了差方程和周期性邊界條件的具體形式,同時編寫程序,了milosws ,盤荷慢結構的色散特性。
  10. 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速dsp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,得出可以利用抽樣率轉換的數字濾的特點,即多相濾實現數字上下變頻計算負擔的減小,之後進一步將多相濾與頻譜搬移部結合,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。
  11. To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed

    對于基於積梳狀( cic )濾和半帶( hb )濾的多級系統設計的抽取濾組,了濾設計中所涉及的各個參數,將剪除理論應用於多級積梳狀( cic )濾的設計中,並且採用散式演算法( da )來設計半帶( hb )濾,並對模擬結果進行比較,這些先進演算法的應用,進一步提了硬體效率和運行速度。
  12. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾、低頻逆變,從而獲得正弦度較好的輸出電壓。理論和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變的各個開關均實現零電壓條件下的開通與關斷。
  13. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻和變頻輥道電機的運行特性進行詳細,變頻輸出的電壓形諧大,沖擊大,電壓上升率達6600v / s ,是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,起動次數相當頻繁,每小時達600 - 800次,沖擊負荷大,過載能力要求較
  14. Equivalent circuit method is usually used before. this method has apparent defect, that is, the ignorance of higher order mode effect, which can greatly affect the computational accuracy. in cases that require high accuracy, this method is unusable

    以前一般採用等效電路法和設計脊導元件;這種方法的缺點比較明顯,那就是對次模的影響不加考慮,使得計算精度大受影響,在較要求的場合甚至完全不可用。
  15. The information of fault recorder and microprocessor - based protection is collected which directly brought up to the central dispatch station, the central dispatch station deals with the information together. by the conclusion of central station method, a system of analysis and diagnosis on the hv transmission network which based on the theory of multitude intelligence agent is proposed

    方案由調度中心站和站組成,站採集到錄以及微機保護的信息后,直接上傳到中心站,由調度中心站進行統一處理,在基於中心站方案的基礎上,提出了智能多agent原理的壓輸電系統與診斷體系。
  16. And more aperture extension is achieved in this novel esprit - based two - dimensional angle estimatio n scheme using a uniform rectangular array of vector hydrophones spaced much farther apart than a half - wavelength. this proposed scheme and the attendant vector - hydrophone array outperform a uniform half - wavelength spaced pressure hydrophone array with the same aperture and slightly greater number of component hydrophones by an order of magnitude in estimation standard deviation

    結合實際的應用情況,對矢量水聽構成的陣列進行了初步的探討,利用本文前面部的基於單矢量水聽的方法,實現了陣元間距突破半長上限的局限,並解決了角度估計的循環模糊問題,以較小的硬體代價和運算代價實現陣列孔徑的擴展,提估計精度。
  17. Due to its outstanding advantages such as broad sensing - spectrum, high sensitivity and low cost, the theories and applications of bulk acoustic wave sensors have been developed rapidly during past ten years. now, its applications have been extended to the fields of pharmaceutical analysis, biochemistiy, molecular biology, genic engineering, clinic immunology, etc.

    近幾十年來壓電體聲傳感由於具有響應譜廣、靈敏度而又價格低廉的特點,在理論和應用方面均有長足的進步,已廣泛地用於藥物、生物化學及子生物學、基因工程、臨床免疫學等領域。
  18. Based on the geophone vibration formula, this paper presents the affective factors to the seismic data from high resolution geophone arrays and its main property specifications, such as natural frequency, damping coefficient, sensitivity, harmonic distortion, and alias

    為此,從檢的振動方程出發,對度地震檢性能指標(如自頻率、阻尼系數、靈敏度、諧失真、假頻等)以及檢組合的連接方式對地震資料品質的影響進行了
  19. First the progress of anti - tank homing weapons is introduced, then the research and progress of high resolution imaging information processing, angle glint theory, signal processing under clutter environment are introduced. at last the main works of the paper is introduced

    首先介紹了反坦克精確制導武的發展現狀,然後辨成像信息處理的研究和發展,簡要介紹了雜背景處理和角閃爍問題,最後介紹了本文研究的主要內容。
  20. Waveform analyzer is one of the most important signal measuring instruments, which can accurately analyze the characteristics of the signal in time - domain and frequency - domain. it can also analyze the relativity characteristics of the signal

    儀是最重要的信號測量儀之一,可以對信號時域特性、頻域特性以及相關特性作精度
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