調頻的 的英文怎麼說
中文拼音 [diàobīnde]
調頻的
英文
frequency-modulated-
Through the detailed analysis of the aaf, the defection of using chirp - fourier transform in guidance radar signal processing is pointed out
通過對加速度模糊函數的形態分析也指明了針對線性調頻信號的二次相位匹配處理( chirp - fourier變換)在應用到制導雷達信號處理中所存在的缺陷。There is a great deal of demand in modern electronics, however, for bandpass amplifiers.
然而近代電子學對調諧的頻率范圍很寬的帶通放大器提出很多要求。Win2000 bed lift is of personalized design, ultra - stable operation, to offer quietness and comfortableness to the greatest extent to patients with warm colors. it is provided with variable voltage variable frequency device, to produce the best operating curve in accordance with the physiological requirements of human body, to show make the safe, comfort, stable and excellent perfomance in the whole process during the operation of the lift from start, acceleration, deceleration to stop. optional cut - off emergency leveling device may be equiooed at the demand of user to ensure that the passengers inside the lift can be rescued in case of power cut - off accident
Win2000系列病床電梯以人性化的設計,超平穩的運行,給予病患者最大程度的安靜舒適增添溫馨的色彩。採用先進vvvf調頻調壓調速裝置,按人體生理要求由電梯優化產生最佳的運行曲線,使電梯的起動加速減速停止過程處處體現安全舒適平穩的卓越性能。根據用戶要求可選裝停電應急平穩裝置,確保以外停電時,被困電梯內的乘客能及時獲得解困。It has manual transmission, plenty of trunk space and an am / fm stereo cassette player.
它有用手操作的傳動系統,充裕的行李箱空間和調幅調頻的立體聲盒式收錄音機。On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes
在深入研究方案原理和分析信號特徵的基礎上,獲得了該體制引信差頻信號中,距離信息的存在形式和特點,得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論,即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻率捷變序列的選擇原則,並構造了基於rs碼的寬間隔頻率捷變序列族。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。By analysis, two kinds of caq are found : one is width - modulated countable pulse series, the other is frequency - modulated countable pulse series. furthermore, the method of generating caq is described and its double features is also proved
通過分析找到兩種計數型模擬量:調寬計數脈沖串和調頻計數脈沖串,同時本文也闡述了計數型模擬量的產生方法,並進一步驗證了它的二象性特徵。A multi - wavelet packets modulation based on ds - ss
基於直接擴頻的多小波包調制This device realizes series resonance between high voltage inductance and tested capacitance. because of series resonance a higher voltage exists on the tested capacitance than the power ' s output. so a new ac high voltage test way to large capacity sample comes true
該裝置以調頻的方式實現高壓電感和被試品電容的串聯諧振,從而在被試品上得到高於電源輸出端的電壓,即實現了以小容量電源對大容量試晶進行交流耐壓試驗的一種新方法。But i think the central part of joy - fm is the cooperation between jade ( wang lu ) and myself and responses we get from our audience, our joy family
但我想做好"歡樂調頻"的關鍵是我與王璐的合作,以及我們從聽眾- - "歡樂家庭"的成員- -那裡得到的回應。Adjustable speed electrical power drive systems - part 2 : general requirements - rating specifications for low voltage adjustable frequency a. c. power drive systems
速度可調式電力驅動系統.第2部分:一般要求.低電壓可調頻的交流電驅動系統的額定值規范Radio broadcasting systems - very high frequency, frequency modulated, sound broadcasting transmitters ; english version ets 300384 : 1995
無線電廣播系統.甚高頻調頻的聲音廣播發射機Additional internal amfm modulation accuracy check on the same unit ( maximum carrier frequency limited to 1. 3 ghz )
檢測儀器的本身調幅及調頻的內調制功能的準確度(最高載頻不超過1The implementation of new project will fairly play a important role in regulating peak and frequency in northwest power system
新方案的實施,將充分發揮安康水電站在西北電網中承擔調峰、調頻的重要作用。The other stages of the fm receiver are similar to those of the am receiver but require more care in design and assembly to make full use of fm ' s advantages
調頻接收器的其他部分與調幅接收器相似,但其設計和組裝需要更加小心,以充分發揮調頻的優勢。Aiming to achieve mini - type designment, and transmitting farther on the setting frequency band, direct frequency modulation is chosen after comparing the advantage of amplitude modulation with that of frequency modulation
為了實現微小型化的設計,並且使系統在設定的傳輸頻段上傳輸距離較遠,在比較調幅與調頻的優缺點后,我們選擇了直接調頻的調制方式。In an am transmission the carrier wave is constant in frequency and varies in amplitude ( strength ) according to the sounds present at the microphone ; in fm the carrier is constant in amplitude and varies in frequency
在調幅的傳播中,其負載電波頻率是恆定的,但波幅(力度)隨著麥克風聲音變化而變化;在調頻的傳播中,其負載電波波幅是恆定的,而頻率隨著麥克風聲音的變化而變化。2 through altering the length of the resonator, more clear resonator characteristic is observed, which proves that using the method of altering the length of the resonator may be a better way that using current injecting frequency modulation
浙江大學碩十學位論文2 、川改變諧振腔腔長的方法,觀測到了更為清晰的諧振曲線。證明采川改變腔長的方法來實現調頻,比采川電流調頻的方法可能更為優越。This paper with the thermodynamic control characteristics for 320mw supercritical power generation units and one through boiler of the former soviet union for example, briefly analyzes some essential characteristic of control, measure and protection of supercritical generation units and one through boiler, finally analyzes control strategies of the feed water system, the combustion system, the steam temperature system, agc and the primary frequency control system
本文以前蘇聯超臨界機組熱控技術特點為例,簡要分析了超臨界直流爐大型機組控制、測量、保護的基本特點,並進一步分析了給水系統、燃燒系統、汽溫系統及agc 、一次調頻的控制策略。In the end, this thesis tests the resonator with three methods in case that it is both open looped and closed looped, and gets the results listed below : 1 taking 1 mhz frequency width ld as the light source, using current injecting frequency modulation method, the output characteristic of the resonator is got, which proves that the laser used in the lab can be used to modulate the frequency using current injecting frequency modulation
本文最後採用三種不同的方法對諧振式光纖陀螺進行了開環和閉環的實驗測試,並取得了以下實驗結果: 1 、用頻寬1mhz的ld作光源,採用電流注入調頻的方法,觀測到了諧振腔的輸出特性曲線。證明了實驗採用的激光器可以通過注入電流的方法實現調頻。分享友人