甚低頻法 的英文怎麼說
中文拼音 [shédībīnfǎ]
甚低頻法
英文
very low frequency method-
Application of very low frequency electromagnetism method in indirectly ore exploration in the chaihulanzi gold deposit
甚低頻電磁法在柴胡欄子金礦間接找礦中的應用Methods of measurement of electrical performance for lf vlf transmiters
低頻甚低頻發射機電性能測量方法Application of vlf - em method in mineral exploration of longtoushan ag - pb - zn deposit
甚低頻電磁法在龍頭山多金屬礦床勘查中應用In chapter 5, we redesign the architecture and data flow of the encoder program according to the characteristics of dsp. at last, we summarize our researches in chapter 6, and propose some advices to give directions to the following work.
最後,在第六章中,對基於監控場景的甚低碼率視頻壓縮演算法研究工作,進行了總結,並為將來的發展提出了展望和規劃。H. 26l / h. 264 is a new video compression standard provided by itu - t and iso / iec, which faces to very low rate video communication. it uses a new dct transform method as 4 * 4 integer dct. it can reduce block effect, while it is clear and easy to realizen, has high precision, computes fast and costs less memory
H . 26l / h . 264是itu - t與iso / iec聯合提出的一種較新的面向甚低碼率視頻通信應用的視頻圖像壓縮標準,採用了一些新的編碼技術,使用了新的dct變換方法: 4 4整型dct變換,該變換具有減小方塊效應,演算法明晰簡單、易於實現,運算結果精度高且不會溢出,運算速度快,佔用內存小等優點。This algorithm increases the speed and accuracy of the motion vector search in intra - frame / inter - frame model selection, i proposed an adaptive selection method of intra - frame / inter - frame prediction model, based on tmn recommendation. in this paper, chapter one introduces the needs for low bit - rate video compression and relevant standards. chapter two first introduces briefly some common image compression methods, then emphases on the algorithms used in h263 + encoding and decoding
本論文第一章概述了當今世界對甚低碼率視頻圖象壓縮編碼的需求以及相關的國際標準;第二章簡要介紹一些具體的圖象壓縮編碼方法,對于在h . 26x編解碼器中運用到的圖象壓縮演算法給予了重點介紹;第三章詳細探討了h . 26x系列標準,對于重點和難點部分作了詳細的闡述;第四章是具體的編解碼器設計以及核心演算法描述;第五章是h . 26x編解碼器在局域網視頻傳輸中的一個具體運用。Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment. and some novel electrically small or wide band antennas are proposed. the loaded monopole is analyzed in depth integrating the genetic algorithm ( ga ) with the method of moments ( mom ) in order to increase the gain and decrease the vswr of antennas used at hf / vhf band
在本論文的研究過程中,通過合理利用各種現有的天線寬帶化和小型化的理論成果、有效的綜合各種技術措施,運用矩量法和遺傳優化演算法等數值方法,深入研究了加載單極子天線問題,旨在全面提高高頻/甚高頻頻段內的天線增益和降低電壓駐波比,以獲得較高增益的、基本滿足駐波要求的小型超寬帶天線。Measurement of pressure, temperature and humidity operated in much the same principle as the older version of radiosonde, but computation of wind was made use of the vlf ( very low frequency in the range of 10 - 13 khz ) signals of a world - wide navigational network, omega
該系統量度高空氣壓、氣溫及濕度的方法與舊式無線電探空儀大致相同,但在測風方面則採用了一種新的概念,利用世界性奧米茄導航站網的甚低頻信號( 10 - 13khz )來計算出高空風向和風速,無需用雷達追蹤探空儀位置。Thus, it is difficult to find the voltage reference for the harmonic analysis. since acem are always operated near to the synchronous speed, the frequency of the excited voltage is very low, even to zero. therefore, this is the power harmonic suppression study of a complicated power supply system, in which the about harmonic general theories and methods are all inapplicable
現代交流勵磁電機( acem )採用電力電子變流器作為勵磁裝置,其勵磁電壓諧波含量豐富,難于獲得諧波分析所需的電壓基準,同時交流勵磁電機經常工作在同步轉速附近,致使勵磁電壓頻率極低甚至為直流,通常的諧波檢測方法和理論都無法適用,因而這是一種目前尚未深入探討過的復雜供用電系統電力諧波抑制問題的研究。How to improve the accuracy of flux observer is very important in high - performance motor system, especially at low - speed or zero - speed situation. high - frequency signal injection is believed the efficient method to solve these difficuilties
高頻信號注入來實現極低速甚至零速情況下磁鏈位置的觀測是目前該領域的熱點研究內容,本文採用的是d - q軸阻抗差異法。分享友人