phasing signal造句
造句與例句
手機(jī)版
- Three - phase signal generator based on single - chip microprocessor
單片機(jī)三相信號發(fā)生器 - Digital moving - phase signal instrument
數(shù)字移相式信號發(fā)生器 - Research of digital phase signal detecting in remote field eddy current detecting
遠(yuǎn)場渦流檢測中的數(shù)字相敏檢波器的研究 - A high quality three - phase signal generator and measuring function were combined in this system
該系統(tǒng)同時(shí)具備高質(zhì)量的三相諧波信號源和電參量測量功能。 - Multi - channels controllable phase signal generator adopts dds technology . its digital structure makes the device small and automatic
多路相位可控信號源采用dds技術(shù),其數(shù)字化結(jié)構(gòu)十分有利于系統(tǒng)的小型化和自動化。 - Is selected as the core processor and a high quality intelligent three - phase signal generator as well as a measuring system is included in this system
該系統(tǒng)同時(shí)具備高質(zhì)量智能化的三相諧波信號源與電參量測量功能。 - In facsimile transmission and reception , adjustment of a reproduced picture to correspond exactly with the original by a phasing signal
在傳真?zhèn)鬏敽徒邮者^程中,為保證復(fù)現(xiàn)圖象與原圖一致,用定相信號進(jìn)行的一種調(diào)整技術(shù)。 - Press the feed button and check where the phase signal ( or similarity signal ) is recorded . use the scale having divisions 1 to 31 to read the position
按feed按鈕并檢查相位信號（或類似信號）是否有記錄。 （使用1到31 `的刻度來讀出相位的位置。 - Although the work is based on the nonstationary signal of quadratic phase , the methods can also be extended to higher - order polynomial phase signal
論文的研究雖然是基于不高于二次相位項(xiàng)的非平穩(wěn)信號，但是其思想方法也可以推廣到更高階的多項(xiàng)式相位信號。 - Moreover , based on poly - phase signal processing and interpolation , a timing variable cic ( cascaded - integrator - comb ) filter based method for sampling rate conversion is analyzed
另外，結(jié)合多速率多相信號處理和nco內(nèi)插控制思想，分析了時(shí)變cic內(nèi)插濾波器的采樣率變換實(shí)現(xiàn)。 - It's difficult to see phasing signal in a sentence. 用phasing signal造句挺難的
- And when the array transmits back to the cell - phone user , the processor sends an out - of - phase signal to one of the antennas , generating a radio beam that runs from north to south
當(dāng)陣列發(fā)射訊號給行動電話用戶時(shí)，處理器會傳送一個(gè)異相的訊號到其中一個(gè)天線，產(chǎn)生由北往南的無線電波束。 - It has important value in military and civil . conventional algorithms for synthetic aperture radar uses the matched filter and convolves the data with a reference phase signal which changes with range
合成孔徑雷達(dá)( sar )是二戰(zhàn)后發(fā)展起來的一種新的雷達(dá)技術(shù),在軍事和民用方面都有重要的應(yīng)用價(jià)值。 - Time - frequency analysis and parameter estimation of noisy polynomial phase signal ( pps ) are the general problems in such fields as radar , sonar , communication , biomedical application , seismic signal analysis and so on
噪聲背景中多項(xiàng)式相位信號的時(shí)頻分析和參數(shù)估計(jì)是雷達(dá)、聲納、通信、生物醫(yī)學(xué)、地震信號分析等領(lǐng)域需要解決的共性問題。 - Three - phase signal is formed by program in this system , which has rich harmonic high to 24th , and its amplitude and phase can be adjusted arbitrarily . electric parameters such as virtual value , power and phase can be real - time measured , besides harmonic analysis by means of fft algorithm
在系統(tǒng)中，富含24次諧波成份的三相信號由軟件產(chǎn)生，其幅度、相位可以任意調(diào)整，同時(shí)系統(tǒng)能實(shí)時(shí)測量信號的有效值、功率、相位等電量參數(shù)，并用fft進(jìn)行諧波分析。 - Abstract : ： a technique for carriersynchronization of a digital modem is studied and the results of computer simulations are given . through comp arison of twokinds of phase estimator systems , it is shown that the combination of phase signal decision process and signal decoding processwill improve system performances obviously
文摘:分析了數(shù)字調(diào)制解調(diào)器載波同步技術(shù)，提供了計(jì)算機(jī)模擬測試的結(jié)果，并通過對兩種不同鑒相器系統(tǒng)的性能比較，說明了把信號相位判斷過程與信號解碼過程結(jié)合，可使系統(tǒng)的性能得到明顯改善。 - In the second method , wavelet transform is combined with modal transform , and transient travelling - wave signal is used . after three phase signals are decomposed into their modal components , the wavelet transform coefficient of ground mode can be used to identify approximate position of fault , and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave
第二種方法將小波變換與模式變換理論結(jié)合起來，采用的是暫態(tài)行波信號，首先將三相信號轉(zhuǎn)換成模式分量，零模分量的小波變換系數(shù)用于判別故障的大致位置，然后利用線模分量的小波變換系數(shù)來確定行波到達(dá)時(shí)間。 - Autonomous formation flyer technology developed by jpl is used three receiving antennas and one transmitting antenna are installed on each satellite each of satellites can transmit analog gps signal but more accuracy . the multiple receiving antennas on the every satellite are capable of acquiring precise pesudorange and carrier phase signals transmitted by other satellite and compose of a kind of onboard augment gps system
在文中，利用jpl提出的自主編隊(duì)飛行技術(shù)aff ，在每個(gè)編隊(duì)衛(wèi)星上安裝一個(gè)發(fā)射天線和三個(gè)接收天線，每一個(gè)發(fā)射天線可以發(fā)射類似于gps的高精度偽距和載波信號，與其它衛(wèi)星上的多個(gè)接收天線構(gòu)成星載擴(kuò)展gps系統(tǒng)。 - This product acquires engine crank corresponding phase signal and rotating speed signal , which after ecu treatment , are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing . compared with mechanical ignition timing control , this is more precise and reliable , resulting in optimized performance of engine in oil consumption , exhaust , output and torque
Fdw465b型電噴分電器總成采集發(fā)動機(jī)曲軸相位信號及轉(zhuǎn)速信號，同其它負(fù)荷傳感器（如節(jié)氣門傳感器等）采集到的信號，經(jīng)電控單元ecu計(jì)算處理后，實(shí)現(xiàn)對發(fā)動機(jī)點(diǎn)火正時(shí)的電子控制，較之機(jī)械式點(diǎn)火正時(shí)控制更加精確、可靠，使汽車發(fā)動機(jī)系統(tǒng)的綜合性能得到較大提高，特別是發(fā)動機(jī)的燃油消耗率、排放、輸出功率、扭矩等方面都得到較大優(yōu)化。 - The reseach work focused on the time delay estimation of the common practical radar singnals , including harmonics signal , chirp signal , polynomial phase signal , and phase - shift keying signal . the new algorithm for different radar signals are deduced in detail respectively , and simulation results are presented . the results proved that the new method is efficient for time delay and some other parameters estimation
正弦信號、線性調(diào)頻信號、多項(xiàng)式相位信號、相位編碼信號是雷達(dá)信號中常用的幾種信號,對這幾種信號的研究是雷達(dá)信號處理中非常重要的內(nèi)容,也是實(shí)際工程的需要。因此,本文選擇上述幾種信號作為研究對象,對這幾種信號的時(shí)延估計(jì)算法進(jìn)行了建模和理論推導(dǎo),給出了時(shí)延估計(jì)算法的具體表達(dá)式,并進(jìn)行了計(jì)算機(jī)仿真。 - We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr , discuss the ptr ' s signal ' s frequency characteristic , and a method for measuring thermal diffusivity of opaque materials is introduced . then , we study on anisotropic materials " thermal conductivity , the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr , and is proved by the experiment
從光熱輻射理論出發(fā)，推導(dǎo)出一維情況下ptr信號的振幅和位相表達(dá)式，討論了光熱信號的頻率特性，介紹了一種用ptr技術(shù)測量不透明材料熱擴(kuò)散系數(shù)的優(yōu)化方法；接著研究分析了各向異性介質(zhì)受調(diào)制激光束輻照下產(chǎn)生的光熱信號，在理論上推導(dǎo)出各向異性介質(zhì)的溫度場以及熱導(dǎo)率張量并給予一定的實(shí)驗(yàn)驗(yàn)證。
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