波形高 的英文怎麼說
中文拼音 [bōxínggāo]
波形高
英文
wave elevation-
After the section of right side nxiits in budgerigar in the original sound wave ' s expanded time window, the higher amplitude pulse and the lower amplitude pulse exchanged alternately and also the higher amplitude is approximately as twice as the lower amplitude
虎皮鸚鵡在斷右側nxllts后,原始時間波形展開圖中出現了各脈沖振幅一高一低相間的交替更換,且高振幅脈沖的振幅約為低振幅脈沖的兩倍。In order to reduce time in this procedure, we realize a fast cyclization algorithm based on the hash table. experimental results show that this approach is efficient and automated in test vector translation
實驗結果表明,在此波形格式基礎上的測試向量轉換,不僅在速度上得到提高,同時針對大容量的測試向量集合,也能獲得較高的壓縮結果。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,如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增,本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值,以便在提高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的新型變壓器保護裝置。Because dead time is compensated at the same time, the output waveform is improved, and output torque is strengthened in low frequency
進行了死區補償,使逆變器在低頻輸出時波形明顯改善,提高了系統在低頻時的轉矩輸出。In this paper, the deconvolution ( and high - order - deconvolution ) electroanalysis theory totally controlled by electrode reaction rates was modified and its properties of polarographic wave was also discussed in detail
摘要本文提出了完全受電極反應速率控制的去卷積(包括高階去卷積)電化學分析理論,並對波形的性質進行了較詳細的討論。The experiment apparatus has been developed, which is based on software ( labview ) and hardware ( pci board ni 6024e ). the displacements and generative force at the tip of the ipmc actuators were measured with respect to the different voltages, frequents and various waveforms which include square, sinusoidal, and triangular wave
實驗選取了不同電壓幅值,不同頻率的方波、三角波、正弦波三種波形作為電激勵信號,利用高速攝像記錄ipmc的位移變形,並通過力傳感器實測了ipmc試樣末端的輸出力。To the principle of single - station high - frequency ground wave detection radar, simple pulse wave was chosen, but this wave has many limitations, so continuous signal wave was preferred
從雷達信號波形選擇來看,對于單站高頻地波超視距雷達體制,最初採用簡單脈沖波形。但這種波形存在著許多缺點,最終採用連續波信號體制。The waveform is onticeably less rich in the higher frequency.
這樣的合成波形明顯地缺乏較高的那一頻率。Comparing with other current, the interfluent power supply has many merits such as simple structure, high precision and perfect voltage wave
該交流穩壓電源與現有交流穩壓電源比較,具有結構簡單、精度高、電壓波形好等優點。The wave of magnetic induction density will bring distortion with the raising of excitating voltage while measuring the magnetization characteristic
在進行磁化特性測量時,隨著激磁電壓的升高,磁感應強度波形將產生畸變。Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch
文摘:討論了在大相位失諧下,基波為頻率啁啾脈沖的二次諧波產生過程,結果表明選取合適的啁啾參量可以使二次諧波的光強提高,但同時會使其波形和相位發生變化.三波相位的畸變主要取決于入射的基波啁啾脈沖,而與相位匹配的失諧量關系不大These character based on sichuan power network ' s practice operation experience, in allusion to the config of the carrier wave protection in bypass breaker operating, through the study of protection ' s typical config : one side lfp - 902a, one side csl - 101a, proceeded comprehensive act module test, noted plenty of first hand test data and wave picture, proceeded detailed theory analyses, plenitude demonstration atresic type carrier wave distance protection when twain side atresic type logic is not completely same, basically can fill power network ' s requirement to relay of reliability selectivity speedly and sensitively
本文結合四川電網的實際運行經驗,針對旁路開關代路運行時的保護配置情況,通過對旁路代路時保護典型配對組合:一側lfp - 902a ,一側csl - 101a的保護配置情況的深入研究,做了全面的動模試驗,記錄了大量的第一手試驗數據和波形,進行了詳細的原理分析,充分驗證了高頻閉鎖式距離零序保護在兩側閉鎖式邏輯不盡一致的情況下,基本能夠滿足電網對繼電保護的可靠性、選擇性、快速性以及靈敏性的要求。The experimental results showed that the characteristic pl peak of quantum wells was shifted to longer wavelength ( red shift ) and the intensity was decreased much after fel irradiation
分析光致發光譜,發現量子阱特徵峰經過輻照后峰值發生紅移,波形展寬,峰高降低。Dbw, sbw series single - phase and three - phase super power voltage regultor of new age having the advantages of large capacity, high efficiency, wide range, high precision, strong protection, without wave - form distortion, reliadle operation and casy installation, etc
Sbw系列單、三相大功率電力穩壓器是我公司在參數照國際同類產品、結合我國國性的基礎上研製生產的新一代節能電力穩壓器,具有容量大、效率高、穩壓范圍寬、精度高、保護功能強、無波形畸變、運行可靠、維護簡便等特點。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,工程中常用的樁基檢測方法很多,但都存在著一些弊端:有的對樁破壞性嚴重,例如抽芯檢測;有的耗時、耗財、耗力,例如靜載荷試驗;還有的如低應變、高應變等檢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,而且採集到的波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驗證。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、總結分析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器大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術路線,一是基於地形高程的匹配方法,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器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下航行器上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波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,但是導航精度不高,後者雖然精度比較高,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。It synthesizes the excellence of wave coding and parameter coding, adopts vector quantity, analyse - synthesize, perceptual weighting, therefore, gains good speech coding quality at 8kbit / s. cs - acelp can be used in individual telecom, iphone, c / n, microwave telecom and isdn
Cs - acelp演算法綜合了波形編碼和參數編碼的優點,以自適應預測編碼技術為基礎,採用了矢量量化、合成分析和感覺加權等技術,在8kbit / s速率上獲得了較高的語音編碼質量。The waveform generated using digital systems is of strict coherence, repetitiveness, high stability and programmability, which can also easily realize the waveform parameter agility and generate arbitray waveforms in order to meet the urgent needs for anti - interference and strong viabilities of radars under modern ew environment
數字方法生成的波形具有嚴格的相干性、可重復性、高度的穩定性和可編程的優點,能夠方便地實現波形參數捷變以及產生任意復雜波形,滿足了現代電子戰環境中對雷達抗干擾和強生存能力的迫切要求。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。首先對變頻器和變頻輥道電機的運行特性進行詳細分析,變頻器輸出的電壓波形諧波大,沖擊大,電壓上升率高達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分嚴格的要求: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,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect
主要結論如下:熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和速度不相容;峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱,凡是影響激波形成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響;當充、排氣時間比為0 . 1763時,最佳射流激勵頻率出現在高階峰值振蕩頻率上。分享友人