selection phase 中文意思是什麼
selection phase
解釋
選型階段-
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。 -
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。 -
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。 -
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 -
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。 -
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。 -
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。 -
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 -
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。 -
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。 -
The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on
本文首先回顧了濾波器設計的國內外研究背景和現狀，介紹了本課題提出的意義以及本文的主要工作，論述了開關電容網路原理和基本開關模塊，分析了開關電容濾波器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮，開關的打開電阻對電路的影響，開關電容電路中怎樣減少電荷注入和時鐘饋通，以及整個電路的功耗問題和采樣頻率的選擇等。 -
This paper is focused on the operation of single - phase earthprotection for little earth current system. based on the analyses for several kinds of ground protections, one ground protection with the functions of line selection and ground positioning is proposed for the complex automatic and mordern management for the electric substation. by this means, the economic, reliability, safty and stable operation for the grid can be achieved
針對小接地電流系統單相接地保護的運行進行了論述，並分析比較了幾種目前採用的小接地電流系統單相接地保護的功能及優缺點，建議採用一種既能選線又能定位的小接地電流系統單相接地保護裝置，以適應綜合自動化和現代化管理的需要，確保系統經濟、可靠、安全、穩定運行。 -
This paper outlines the design and construction conditions of the yangtze estuary deepwater channel regulation project, describes the comparison and selection of the design schemes for the 1st & 2nd phase projects, and expounds the construction organization and administration, the core of which is dynamic management
摘要全面介紹長江口深水航道治理工程整治建築物工程和疏浚工程的設計條件和施工條件，並在此基礎上介紹一、二期工程設計方案的優選情況，以及工程實施過程中以動態管理為主要內容的施工組織管理情況。 -
Selection of models for two - phase flow in the steam injection well
注蒸汽井井筒兩相流流動模型的選擇 -
Motion compensation includes range alignment and phase reference selection technology. frequency correction algorithm, spatial correction algorithm and envelope minimum entropy algorithm are respectively applied in range alignment. phase compensation is according to selection of the phase reference
2 、運動補償部分主要解決距離校正和相位基準選擇技術，距離校正分別採用了頻域校正法、空域校正法和包絡最小熵法，主要依據相位基準選擇的方法來進行相位補償。 -
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。 -
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。 -
Secondly, with combination of a certain type of radar, the application of genetic algorithm to optimum code selection and the iteratively reweighted least - square mismatched filter design for sidelobe reduction are discussed. the favorable experimental results are obtained, especially for 64 phase code
最後，我們結合某型雷達，以64相碼信號為例，說明了遺傳優化演算法在編碼搜索中的優越性，並採用了迭代加權最小二乘演算法來設計失配濾波器以達到相位編碼信號的優化副瓣抑制目的，且給出了相應的模擬結果。 -
Among these a three - phase voltage - style pwm rectifier is selected, and voltage space vector pwm is employed. and its principle, mathematics models and the selection of control parameters are studied in details. in addition to, a fast algorithm for space vector pwm, the method of decomposition matrix proposed in this paper can simplify the calculation process and with which we may omit the triangular function tables
分析總結了現有的三相整流電路拓撲及其控制策略，選擇以三相電壓型pwm整流器為研究對象，並採用電壓空間矢量pwm控制策略；分析研究了整流器的工作原理，建立了數學模型；研究了控制方法及其參數設計；提出了電壓空間矢量的pwm快速演算法，不需要三角函數表，由dsp實時計算得到精確的工作矢量及零矢量的作用時間。 -
Outcome of follicular aspiration of selection phase in patients with polycystic ovary syndrome undergoing controlled ovarian hyperstimulation
卵泡期經陰道小卵泡穿刺抽吸術治療多囊卵巢綜合征排卵障礙
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