phase selection 中文意思是什麼

phase selection 解釋
相位分割
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  • selection : n. 1. 選擇；挑選；選拔。2. 拔萃；選擇物；精選物[品]；文選。3. 【無線電】分離，（自動電話）撥號。4. 【生物學】選擇，淘汰。
  1. The breeding population must cycle through a selection phase before each successive regeneration stage.

    每個后續世代更換之前，育種種群必須經過一個選擇循環。
  2. To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied

    為提高比幅測向的精度，選用多通道體制，採取相位延時估計法從頻域來估算移動天線方向圖系列的達到角，同時在具體的工程實現上對天線選取、信號的量化、去摸開關等進行優化，從而滿足指標要求。
  3. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  4. An integrative device of single - phase grounding line selection and grounding current compensation in distribution network

    配電網單相接地選線和接地電流補償一體化裝置
  5. A multi - phase homing project was obtained, including three different homing trajectories according to the height of initial point being high, or proper, or short. and selection criterion for trajectories was also discussed

    提出了翼傘系統歸航軌跡的分段設計方案，按高度冗餘、高度適中和欠高度三種情況給出了不同的歸航軌跡分段設計方法，並且探討了對應的判斷準則。
  6. With regard to the second phase water supply pipe project of no. 4 dongguang waterworks, an introduction was given to the selection of pipe jacking system, measures for resistance alleviation, application of intermediate jacking room, and control of axes in jacking construction of long distance steel pipe with large caliber, these may provide the reference for the construction of resembling project

    摘要結合東莞市第四水廠二期給水管道工程過107國道段的頂管施工，介紹了大口徑鋼管進行長距離頂進施工時頂管機的選型、減阻措施的選用、中繼間的運用、軸線控制等問題，可供以後同類工程參考和借鑒。
  7. Then the idea of integral control of automatic resonance and single - phase earth faulted line selection was put forward

    並在此基礎上給出了補償電網中消弧線圈自動調諧與單相接地故障選線一體化的綜合控制思路。
  8. The reasearch about both function device of compensate and line selection about single - phase grounding capacitire current for small current grounding system

    小電流接地系統單相接地電容電流補償與選線雙功能裝置的研究
  9. Frequently the absolute intensity is increased since the selection rules are less strict in the condensed phase.

    由於在凝相中，選擇定則是比較不嚴格的，所以絕對強度往往有所增大。
  10. And the code selection of good non - periodic auto correlation in pulse internal phase modulation will benefit the suppress of range side - lobe

    脈沖內部調相選用具有良好非周期自相關性能的編碼還有利於距離旁瓣的抑制。
  11. A new residual current compensation method based on the magnitude of current of each phase that has the clear phase selection ability is presented in this paper. the residual current is compensated in an adaptive manner

    本文中提出一種新的可變補償的方法，對單相距離測量元件提出了零序電流自適應補償方法，演算法本身帶有較強選相功能。
  12. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障，本文在詳細分析了單相高阻接地故障的穩態和暫態特性的基礎上，從小波分析原理出發，利用小波變換檢測突變信號的原理，以零序電流、模電流等為研究對象，結合方向高頻保護的原理，設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。
  13. Approach of fault location and fault phase selection in uhv power transmission line based on the wavelet theory

    基於小波理論的超高壓輸電線路故障定位與選相方法
  14. This paper describes the principle of adaptive reclose and studies some problems in the implemention of the adaptive reclose on the basis of phase selection of the microcomputer relay protector

    摘要對自適應重合閘的原理進行論述，並在微機保護故障選相的基礎上，探討了自適應重合閘實施中的幾個問題，結合超高壓輸電線進行了模擬計算。
  15. The control technology of phase selection has been used on beaker ' s instantaneous characteristic test device for jiang su chang shu switch plant. the precision is ?

    採用上述技術研製的選相分合閘裝置，應用於斷路器瞬動特性試驗設備中，選相精度為1 ，較好地消除了試驗中的暫態電流。
  16. Now these functions are realized by electronic circuit and got used widely in phase selection devices

    目前廣泛採用的選相分合閘機構，大多由電子線路實現上述功能。
  17. In addition, this paper also introduces and analyzes fuzzy comprehensive evaluation which is used in phase selection

    此外，本文還介紹並分析了模糊綜合評判的方法在交流電器選相分合閘控制中的應用。
  18. But there are still some problems in the aspects of economy and credibility, even if using cpu may bring the calculational problems. this paper mainly presents the technology of phase selection

    所以，無論從交流電磁電器的工作特性還是其他試驗要求來看，都希望有精度高、使用方便的選相分合閘裝置。
  19. In order to eliminate the transient current and ensure the test precision, this paper introduces the principle and the method of phase selection of the ac based on fft ( fast fourier transform algorithm )

    為了消除暫態電流，本文闡述了一種基於快速傅立葉變換（ fft ）的交流選相合閘技術的原理以及實現方法，保證了檢測精度。
  20. This paper also introduces two aspects, one is the use of single - chip computer - intel 16bit as key to realize signal collection, data processing and control of phase selection, the other is the communication of mcu and pc realized by universal serial bus ( usb )

    選相分合閘裝置的設計包括兩部分：一是下位機部分，主要以80c196kc單片機及其外圍電路為主，完成交流信號的採集、數據處理以及對交流電器分合閘的控制；另一部分是單片機與pc機的通訊部分。
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