direct current method 中文意思是什麼

direct current method 解釋
直流勘探
  • direct : adj 1 筆直的,一直線的;正面的。2 直接的。3 直截了當的,直率的,明白的。4 直系的,正統的。5 【語...
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. This paper presents the method of design and parameter optimizing in a phase - locked controller, which is used in high - speed brushless direct current motor ( bldcm ) speed control

    摘要提出一種用於高速無刷直流電動機鎖相速度控制器設計和參數優化方法。
  2. The experiment results indicate that this method is more effective in the brushless direct current motor ' s low speed torque ripple attenuation, and its more effective in improving system dynamic performance

    運行結果表明,此方案能有效地抑制無刷直流電動機低速時的轉矩脈動,更好地改善系統的動態性能。
  3. In the thesis, a signal processing scheme of polarization - insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation

    本文主要介紹了偏振無關光纖michelson干涉型微弱磁場傳感器信號處理的方案:通過閉環控制工作點演算法使干涉儀工作在正交工作點處,再利用相敏檢波演算法提取傳感器輸出信號的基頻分量,以測量直流磁場的大小。
  4. Standard test method for elements in water by direct - current argon plasma atomic emission spectroscopy

    用直流氬等離子體原子發射光譜法測定水中元素的標準試驗方法
  5. Test method for barium in brines, seawater, and brackish water by direct - current argon plasma atomic emission spectroscopy

    用直流氬等離子發射光譜測量法測量鹽水海水和有鹽味的水中鋇的方法
  6. Testing of semiconductor materials ; measurement of the resistivity of silicon or germanium single crystals by means of the four probe direct current method with collinear array

    半導體材料的試驗.用探針直線排列的四探針直流法測
  7. In the paper, we describe the whole configuration of the joint transform correlator ; introduce the correlative theories of joint fourier transform in detail ; in order to achieve better correlation result, the nonlinear processing of joint transform power spectrum ( jtps ) is put forward, the effect of jtps laplace sharpening and binary processing to the correlation image is given ; the method of the best binary threshold is determined ; we analyse the correlation image, present the way that removes liquid crystal diffraction spot, direct current spot and image noise, and binarize the correlation image finally

    本論文主要對提出的聯合變換相關的整體結構進行了描述;詳細介紹了聯合傅里葉變換的相關理論;為了得到更好的相關結果,本文提出對聯合功率譜進行非線性處理的方法,給出了聯合變換功率譜的拉普拉斯銳化和譜的二值化處理對相關峰圖像的影響及二值化最佳閾值的確定方法;對相關峰圖像信息進行了分析;提出了消除液晶衍射光斑、直流光斑和圖像噪聲的方法;最後對相關峰圖像進行了二值化處理。
  8. Voltage regulators for direct current generators. overall dimensions and method of fixing of base

    直流發電機電壓調節器.底座安裝方法和外形尺寸
  9. Testing of semiconductor materials ; determination of the radial resistivity variation of silicon or germanium slices by means of the four - probe direct current method

    半導體材料試驗:採用四探針直流法測量矽片和鍺片電
  10. Then, it summarizes the present situation of geophysical methods, and presents an introduction to some methods such as mine direct current method, mine transient electromagnetic method and geological radar exploration

    本文簡要介紹了我國煤礦生產的發展趨勢,說明地質構造及煤層頂、底板水問題是當前煤礦深部開采中所面臨的主要地質問題。
  11. The stochastic optimization method is brought forward, which makes a great amount of simulation of other bidder ' s biding in electrical market, as for every simulation, genetic algorithm is applied to solve the optimization problem, in consideration of the restraint of direct current network, one optimal bid is got, then using the average optimal bids in a great number of simulations as the last optimal bids. the program using c + + language of this method is programmed and examples are discussed for simulation, examples prove the bidding method ' s validity

    最後基於第五章的分析,提出了一種採用隨機優化和遺傳演算法相結合的競價方法,即對電力市場中各個競爭對手的報價作為隨機變量進行大量模擬,針對每一次模擬,在考慮直流潮流網路約束的情況下,用遺傳演算法求出一次模擬對應的最優報價,然後把大量模擬樣本求得的最優報價的均值,作為最優報價。
  12. Moreover, an improved method is proposed for the phase current reconfiguration on the basis of the direct current circuit

    提出了一種改進的基於直流迴路母線電流的相電流、相電壓重構方法。
  13. These results prove that the charging action of the power supply is right. the simulation method is applied with other power supply system. at the same time, the hardware system of 2qkv - 60kw high - voltage capacitor direct current charging power supply is described in this paper, and discuss why designed a full digital phase - shifting pulse circuit

    同時,本文敘述了20kv ? 60kw高壓電容直流充電電源的硬體電路的設計,其中討論了為什麼不採用已有的uc3875 、 uc3879等晶元來產生zvspwmdc dc變換器的移相脈沖,設計了全數字式移相脈沖產生電路。
  14. Numerical simulation method for enhancing waterflooding efficiency using direct current electric field

    直流電場提高水驅油效率的數值模擬方法
  15. Techniques and practice of detecting water flowing subsided column by ground direct current electrical sound method

    地面直流電測深法探測導水陷落柱技術與實踐
  16. It will effect the system in safety and running economy directly > test of tradition past the method is an usage to give or get an electric shock the bridge method or direct current to press to decline the method to proceed to measure, and the electric current for producing of is only in the ma class which ca n ' t broke through the oxidize surface

    高壓斷路器是電力系統中最重要的控制和保護設備之一,它對系統的安全、經濟運行有著直接的影響。以前傳統的測試方法是使用電橋法或直流壓降法進行測量,所產生的電流僅在ma級,不能擊穿觸頭氧化膜。
  17. Though the implementation in this paper is direct parsing method, it can satisfy the current need. to set out from the perfect angle, the benefit joins together these two kinds of methods to usage

    盡管本論文按照直接解析方式給出的工程實現能滿足目前的需求,但從完善的角度出發,益將這兩種方式結合使用。
  18. Standard test method for direct current magnetic properties of materials using d - c permeameters and the ballistic test methods

    用直流磁導計和沖擊試驗法測定材料的直流磁性能的標準試驗方法
  19. Standard test method for chemical analysis of refined gold by direct current plasma emission spectrometry

    用直流等離子發射光譜法進行精煉金化學分析的標準試驗方法
  20. Combined with the problems during the experiment, design a improved testing circuit of direct current attenuation method

    結合試驗過程中遇到的問題,給出了改進的直流衰減法測試電路。
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