signal oscillator 中文意思是什麼

signal oscillator 解釋
脈沖信號發生器
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  • oscillator : n. 1. 搖擺者。2. 【電學】振蕩器,振動器,振動子,振動部。
  1. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻,通過低通濾波取其差頻,並經整形後由數字信號處理電路處理。
  2. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統,可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供,經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源,由於目標反射信號具有時變的多維性,反射信號變得極為復雜,在信號處理時,不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  3. Oscillator generated a wave with frequency 132 khz as the clock signal

    振蕩器電路產生一個頻率在132khz附近抖動的矩形波作為整個電路的時鐘信號。
  4. The simulation results indicate that the oscillator circuit with the cmos technology producing steady oscillating signal has power consumption as low as 800uw

    模擬表明,採用cmos工藝能使振蕩器電路在產生穩定振蕩波形的同時,達到800uw的較低功耗。
  5. The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance

    高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋,很好地解決了噪聲問題;接收機採用兩副天線切換工作,提高了音頻信號接收質量,有效地抑制干擾,提升了系統的性能。
  6. A counter with timing fiducial oscillator acts as a frequency multiplier, and the count value in the prior period is taken as the reference for the current period to give the decimal part of a signal period

    該方法利用帶基準時基的數字計數器實現周期內線性細分,當前周期信號將前一整周期的倍頻數作為參考構成信號周期的小數部分。
  7. The harmonic balance simulation and envelope simulation are applied in the cad progress of pulse oscillator, the results of simulation are listed, and the output signal of pulse oscillator is analyzed by mathematical method

    以脈沖振蕩器的cad為例,對脈沖振蕩器分別進行諧波平衡模擬和包絡模擬,列出了模擬結果,並對脈沖振蕩器輸出信號進行數學分析。
  8. The concept of " timing " in the article is not the clock in our ordinary living, but syntheses which is made up of some frequency source in the signal generator ( such as cs atom frequency standard, rb clock & high accuracy quartz crystal oscillator ) which produces the primary frequency, the matching input interface and the matching output interface and controlling circuit etc. for example, bits is a kind of timing equipment, which is used to control the timing of some functions

    本文論及的「時鐘」概念不是指日常生活中使用的鐘表,而是由產生基準頻率的信號發生器(如銫原子頻率標準、銣鐘及高精度石英晶體振蕩器等)中的某種頻率源以及相配套的輸入、輸出介面和控制電路等組成的一整套具有特定同步定時功能的綜合體。如bits就是一種時鐘設備,它提供用在通信系統中控制某些功能的定時的時間基準設備,時鐘提供的信號稱為基準信號、定時信號或同步信號。
  9. We also calculated the threshold and efficiency curves with the crystal length, pump power, wavelength of signal wave and mismatch etc on the single resonance oscillator ( sro ) of clbo. the most obviously difference of dro and sro is that when the pump power is higher and the crystal length is longer, the efficiency curves become smooth but not descend in comparing sro to that of dro

    在對單諧振和雙諧振的振蕩閾值和轉換效率的理論研究中,得到了單諧振與雙諧振不同的是:在單諧振情況下,隨泵浦強度、晶體長度的增加,轉換效率曲線只有飽和的趨勢,而無下降趨勢的結論。
  10. Secondly, the dissertation presents a 3 - dimensional searching method with afc and pn code synchronization and adaptive array convergence in order to accurately estimate the frequency difference between the received signal and the local oscillator

    其次,為了準確估計接收信號和本地振蕩器之間的頻差,提出了afc 、 pn碼同步、自適應陣收斂的三維搜索策略。
  11. In the second part of our paper " s work, we give the detail design of new - style all digitized radar terminal. this design is based on up to date multi - rate signal processing technology, and is developed from old cw velocity measuring radar " s terminal. at the same time, radar supply oscillator " s design based on dos technology is also present

    在本文工作的第二大部分,我們結合最新的軟體無線電技術,在原有的連續波測速雷達技術基礎上,進行了系統結構創新,給出了符合現代技術特點的全數字化的系統軟硬體設計。
  12. Detection of weak square signal in strong noise with a chaotic oscillator

    用混沌振子檢測淹沒在強背景噪聲中的方波信號
  13. It can interface with single chip computer expediently and transmit data by rule and line. oscillator in the infrared transmitting circuit that consisted of ne555, and can used to modulates the output from serial port of single chip computer. the integrated infrared receiver can demodulates, filter and transmit the signal to single chip computer

    紅外線西北口二j匕大學悶成d匕學位咭侖文發送電路的振蕩器由ne555構成,它可對串列口輸出信號進行調制,一體化的紅外接收頭對紅外信號進行解調、濾波和整形,再送單片機處理。
  14. The phase detecting error caused by local oscillator frequency drift and non - synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time

    該方法可以有效的消除因本振信號頻率漂移及閘門信號與被測信號的非同步引起的測相誤差,同時提高了測量速度。
  15. The detection system is realized in virtual instrument based on the theory of weak signal detection by duffing oscillator

    本文的最後依據duffing振子微弱信號檢測原理,利用虛擬儀器實現了該檢測系統。
  16. The frequency of the pulse is the same as that of the crystal oscillator. the pulses sampled the output of the vco and generate the error signal. the error signal is amplified,

    誤差電壓經放大後送入環路濾波器進行濾波和再放大,然後去改變變容管偏置電壓,控制振蕩器輸出頻率,達到穩頻的目的。
  17. This paper realized frequency modulation using the video signal to directly control the resonance loop ' s diode of the vco at the early stages, and then through using radio frequency bipolar junction transistor, designed a lc voltage controlled oscillator which was emulated by advance design system. in addition, it also implemented the design and debugged the hardware circuit

    本文第一次實驗採用視頻信號直接控制vco諧振迴路變容二極體的方式實現頻率調制,並且利用射頻雙極性晶體管( bjt )設計了一種lc壓控振蕩器,通過ads軟體進行了參數模擬,最後進行了硬體電路的製作和調試。
  18. This paper analyses crystal oscillator ’ s character and technique targets, and the changes of these technique targets effect the time of crystal oscillator gives the error mode of crystal oscillator time, by discussing gps system and time service theory, we analyze random character of gps second pulse error. we combine long - time stability of receiver ’ s output signal and short - term stability

    該系統成功地應用於寬頻帶地震記錄儀中,使地震數據記錄的時基精度達到微秒級,可以解決大范圍的地震儀布設應用時的授時和空間定位(經度、緯度、海拔)問題,為地震數據記錄、分析工作提供了與國際標準時間同步的時間基準。
  19. ( 5 ) using the method apd, it select a new drive signal s = x1 - cx3 to synchronize the response system, the theory analysis and numerical simulation results show that it can synchronize two hyperchaotic systems completely with the drive signal s = x1 - cx3, comparing with the method of selecting signal in literature [ 114 ], with the drive signal s = x1 - cx3, it can shortens the transient period of synchronization ( 6 ) using the outside standard signal to control 4d oscillator hyperchaotic system, basing on the stability theory, constructing the following lyapunov function it gets the controller as following : the theory analysis and numerical simulation result show : using the controller above, it can control the system to reach any desired stable point and period orbit

    ( 5 )採用apd方法,選取新的驅動信號s x1一ex來同步響應系統,理論分析和數值結果表明:採用本文的驅動信號可以使兩個超混飩系統同步,和文獻1141相比,採用本文的驅動信號可使同步暫態過程更短。歷)利用外部標準參考信號個和o來控制振子超混燉系統,基於穩定性理論,通過構造l ) apunov函數, kgb ( xz4l4 ) 『 n ) l小t4 xzcko k0卜ro 』十個n xsn n一大0 『得到控制器表達式如下: u ; zr zr 。 ( 1 b ) 』 x 。
  20. At present, there are various methods of moving vehicle detector and identification. the system we designed for traffic information makes use of the principle of electromagnetic induction and radio frequency identification the moving vehicle detector, which is based on inductive circular loop, detects the information of vehicle according to the inductive signal. the basic information including speed and go through time can be detected to analyze oscillator frequency

    目前現行的車輛檢測與識別系統的種類繁多,本系統基於電磁感應理論和射頻識別技術,採用環形線圈作為數據採集傳感器,通過對振蕩器的頻率計數測量到車輛的通過、速度等基本信息,同時啟動射頻識別系統,使讀寫器與安裝在車輛上的非接觸ic卡進行無線通訊獲取通過車輛的類型和所屬用戶等數據,並將有關數據通過rs232串口送至上位機。
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