phase speed 中文意思是什麼
phase speed
解釋
相速度-
A good mix is key, so make sure to have some seekers in their for anti - air and stealth detection, if he making infantry, gun walkers ( especially phase fielded ) are a great idea, plenty of tripods, and a nice mix of air units, such as devastator warships, planetary assault carriers, and sometimes the speed, armor, and decent damage of the stormrider is nice to have
一個好的混編是關鍵，所以確保你的部隊有一些搜索者來對空和探隱，如果對方有很多步兵，步行者（特別是相場）是好的選擇，大量的三腳，以及一隻很好混編的空軍，比如毀滅戰艦，行星突擊母艦，有時候擁有速度，裝甲和火力的風暴騎士也是上選。 -
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。 -
The control system with such method is simulated and a inverter is made for speed control of single - phase motor. the method presented in this paper offers such advantages as easy implementation, large range of frequency and rapid dynamic response. furthermore, using this method, the single - phase motor with symmetrical or dissymmetrical windings can operate symmetrically
本文提出的變頻調速控制方法具有系統設計簡單易實現，調速范圍大，動態響應快等特點，而且在電機繞組對稱和不對稱兩種情況下均可實現變頻調速的對稱運行。 -
E - commerce system is now developing at an enormous speed, whose final objective is to electrize every phase of commercial activity
電子商務系統正在以爆炸性的速度發展，其最終目標是實現商務活動各環節的電子化。 -
Edge uses a new modulation scheme - 8psk ( 8 phase shift keying modulation ) - to enable the transmission of large amounts of data at a high speed - 384 kilobits per second using existing gsm infrastructure
Edge是一種介於現有的第二代移動網路與第三代移動網路之間的過渡技術。 edge將是通向3g的一個重要里程碑。 -
The thickness had some influence on the development of the banded spherulites : when the thickness reduced to some degree, pcl would develop chrysanthemum - like spherulites, which had no extinction rings or the maltese cross pattern under the crossed polarized optical microscopy. the results of the phase - contrast microscopy showed that growth speed of the chrysanthemum - like spherulites along the radius was not constant
發現薄膜厚度對球晶的生長有一定的影響，當共混物膜薄到一定程度時， pcl不能形成環帶球晶，而是形成一種類似菊花狀的晶體，在偏光顯微鏡下看不到環帶，也沒有典型球晶所特有的maltese十字消光圖案。 -
Compared with existing modulating method, torque ripple is greatly reduced by uniform modulating in one monocycle, increasing current slope of upcoming conducting phase instantaneously suppresses the torque ripple by 30 ’ during low speed with obviously lower initiating noise
採用單周期內各功率管均衡調制的方式，不僅消除了反向電流，而且與其他調制方式相比，可使轉矩脈動較小。 -
Multipolar and two - speed induction phase shifters, general specification for
多極和雙通道感應移相器通用技術條件 -
It was found experimentally that rapid solidification could speed up the peritectoid phase transformation from the metallic a - fe2sis and s - fesi to semiconducting p - fesj2
提高- fesi _ 2相的轉變速度是- fesi _ 2基熱電材料制備技術的關鍵之一。實驗發現，快速凝固有助於加速-相轉變。 -
The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage
系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。 -
This experiment focuses on the characteristic of green refrigerant r600a in a small parallel flow aluminum closed two - phase thermosiphon and measures all the quantity of injected mass and heat dissipation, the speed of air and the difference of temperature of the electronic element ( cpu simulate chip ) surface and environment
處理速度達到g數量級，功率消耗更達幾十瓦。如何解決cpu散熱問題，成為關注的焦點。本實驗首次研究了綠色環保工質r600a在一種鋁質重力熱管中的工作特性。 -
Row winding, winding engine adopting ac servo engine with berger lahr three phase mixed stepping can solve the resonance, big noise, high speed and small torque for traditional row winding hy normal stepping engine
1 、排線、繞線電機採用具有支流伺服電機運行特性的百格拉三相混合式步進。徹底解決傳統排繞用普通步進電機有共振區、噪聲大、高速扭矩小的缺點。 -
When the dispersed phase droplet initial diameter was relatively small, the coalescence rate varied sharply as the dispersed phase droplet initial diameter changed, the coalescence effect was dominating with increasing the screw rotation speed and decreasing the output
當液滴初始直徑較小時，其集聚變化率隨著初始直徑的變化而急劇變化；提高螺桿轉速和降低擠出機產量有利於集聚的發生，分散效果較差。 -
Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。 -
This paper discusses in detail some problems about scanning sound intensify mearusing system of the pc machine from perspectives of both hardware and software. it puts emphasis on analyzing and working out problem of multicenter data sampling in phase fifo amortize arbitrarness waveform generator this paper makes a deep discussion on the computer exteral interface technology which is developing in high speed. it analyses scanning sound intensify mearusing system interface technology on the basis of isa pci, and introduce the promising idea about designing mearusing system of scanning sound intensity by using usb interface
本文針對快速發展的計算機外部介面技術進行了較深入的探討，分析了基於isa總線、 pci局部總線的掃描聲強測試系統介面技術，並提出採用usb介面的聲強數據採集與處理系統的設計思想，同時對windows底層進行了詳盡的分析，採用vtoolsd 、 vc + + 、 ddk編制的掃描聲強測試系統驅動程序，運行在系統核心（ 0級環） ，並能與windows很好的協作運行，既能體現windows的多任務操作系統的特點，又保證了數據可靠、實時的採集。 -
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。 -
A sort of spot dynamic balance test system is developed using singlechip as a core apparatus. it can do single - face and double - face dynamic balance test, present result of unequilibrium and its phase position, can test rotate speed and vibration, can show the time - field and frequency - field picture of gain signal
本課題是利用單片機作為核心器件研製的一套可應用於現場的動平衡測試系統。該系統能完成現場動平衡單面或雙面測試，實時給出不平衡量的大小和相位。也可單獨測轉速和振動，還能對採集到的振動信號作時域、頻域圖顯示。 -
By analyzing phase angle of meshing geometric drawing position, the theoretical formula of cycloid gear actual operating space of cycloid planetary gear speed reducer is driven, at the same time, fitting a curve, and discussing engineering significance of function curve to combine reality
摘要通過分析嚙合相位角幾何圖形的位置，推導出擺線針輪行星減速器中擺線輪實際工作范圍的理論公式，畫出了嚙合相位角函數的擬合曲線，並結合實際討論其函數曲線的工程意義。 -
Chapter six introduces half - model test study of different parameters with ao effects utilizing the shack - hartman technology. chapter seven investigates the simulation technology for ao, mainly in 2 - d flow - field. this paper has a wide scope, ranging from theoretical foundation of ao to its engineering physics methods, from low temperature to high temperature that influence the index - of - refraction, from 2 - d to 3 - d ( density field ), from high speed to hyper - speed ( interceptor ' s speed ), from model test to numerical simulation ( optical phase measurement )
並進行了實驗驗證；第四章主要探討二維流場折射率的全息測量技術；第五章介紹了導引頭三維流場干涉測量的試驗方法和數據重構；第六章利用哈特曼傳感器技術對氣動光學效應各種參數進行了半模試驗測試研究；第七章是氣動光學的模擬技術，主要研究二維流場數值模擬技術。 -
The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver
介紹了瑞雷波勘探的原理和f - k域分析法的計算過程，分析了各參數對瑞雷波相速度計算的影響，通過實驗數據分析了影響瑞雷波勘探的主要因素，就如何選擇最佳采樣率、道間距、偏移距、震源以及檢波器等提出了幾點建議。
分享友人