modulating signal 中文意思是什麼

modulating signal 解釋
燈信號
  • modulating : 調制的
  • 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...
  1. It was important glucoprotein modulating cell functions by combination to idiosyncrasy receptor on cell membrane, which inducing process of cascade signal magnifying, then passing signals into nucleus to induce the modulation of the serial gene expression and viarous physiological reaction, and inhence immunity and antivirus

    人-干擾素( hu - - ifn )是人體因病毒感染或其它誘生劑作用等所產生的一類非特異性抗病毒物質,是調節細胞功能的一類重要的糖蛋白。
  2. In this thesis, founding on the study of the feature of the communication system in maglev train, the design principia of the communication system in maglev train is brought forward. after understanding the feature of the communication system and the induction signal in maglev train, the advantage and disadvantage of several binary modulating and demodulating methods is studied. then, two communication system based on parallel cable and crossed induction coils is put forward

    本文分析了磁浮列車通信系統的特點,提出了設計磁浮列車通信系統需要遵循的原則,針對磁浮列車通信系統和感應信號的特點,對比了多種二進制調制解調方式的特點和優點,提出了基於平行電纜和交叉回線的兩種無線感應通信系統。
  3. For phonetic signal modulation, if the pass band range of the band pass filter ( bpf ) is 300hz - 3400hz, the anti - noise properties of laser are approximately independent of bias current and parameters of the cavity ; when the pass band range of bpf increases to a certain degree, modulating bias current and parameters of the cavity can improve the anti - noise properties of laser

    對語音調制情況,如帶通濾波器的通帶范圍取為300hz - 3400hz ,則激光器的抗噪聲性能基本不依賴于偏置電流和腔內參數;當帶通濾波器的通帶范圍增大到一定程度,調整偏置電流和腔內參數可以實現半導體激光器的高抗噪聲性能。
  4. There are many ways of modulating signal about bpsk such as castas loop, square loop, etc. usually the carrier wave is put forward firstly, then the purified carrier wave is used to demodulate the output data ( all these things are usually completed in the same loop ). these methods have their strong points but at same times, it is difficult to design and achieve these ways

    有關bpsk調制信號的解調方法很多,例如castas環,平方環等,這些方法一般都是先提取載波,然後用提純的載波去解調出傳輸的數據(大都在同一個環路內完成) ,這些方法的優點是顯而易見的,但是在某些條件下,這些方法的設計和實現卻很困難。
  5. 2. the thesis introduces the lock - in amplify technology to detect and demodulate the modulating signal from the noises, which can improve the snr and provide a good signal for subsequent circuits disposed

    2 .本文採用鎖相放大技術從噪聲中提取出調制信號並完成解調,從而提高信噪比,為后續處理電路提供信號。
  6. Chapter 5 explains the signal flow in the if module and the theory in fm modulating and demodulating, and shows a few algorithms of the fir filter design and the spectrum comparing realized by the dsp chip, produces their result in the matlab simulator and real circuit debugging

    第五章介紹了數字中頻模塊的信號流程、 fm信號調制與解調理論,介紹了用dsp晶元實現的fir濾波,頻譜比較等演算法的matlab模擬與實際電路的調試結果。
  7. Because frequency - shift signal is a kind of modulation signal, it ' s waveform is two ac sine signal of alternating i. e. upper frequency and lower frequency which was generated by low frequency modulating middle frequency

    由於移頻信號是一種調頻信號,其波形為低頻信號調制中心載頻信號后產生的低端載頻(下邊頻)和高端載頻(上邊頻)兩個交替變化的正弦交流信號。
  8. According to the gjb 2077 - 94 and the requirement of automatic radio of haige communication co., a new way of bit synchronization is put forward. this article discusses the design of 8 - fsk modulating and demodulating, signal detection, and fec encoding, based on the technique of bit synchronization. ale module is optimized and mended in its application, because it is a module of automatic radio of the company

    本文根據gjb2077 - 94短波自適應通信系統自動線路建立規程和海格通信公司短波自適應電臺對ale模塊的具體需求,採用了一種新的位同步方法:能量跟蹤法,並在此基礎上提出了8fsk調制解調,信號檢測,前向糾錯編碼的具體實現方法。
  9. The transform uses the scale of the signal to decompose and make self - adapting frequency band partition of the input signals. therefore the amplitude value and the modulating frequency of the flickering signal can be obtained. with the instantaneous frequency in this method, the present study also analyzes the signal in terms of both time and frequency, and thus gets the time at which the flickering signal occurs and terminates

    運用該變換從信號本身的尺度特徵出發對信號進行分解的特點,對輸入信號進行自適應的頻帶劃分,從而求出了閃變的調制信號幅值和調制頻率;利用該方法中的瞬時頻率概念,從時頻兩方面同時對信號進行分析,從而獲得了閃變信號的發生時刻和終止時刻,得到了較好的檢測效果。
  10. But, so far, there is little study with the relationship between cb and visceral nociceptive stimulation. morphological study of the distribution of cb - immunoreactive neurons involved in modulating visceral nociceptive signal in the related nuclei in brainstem and the projection of those neurons from nts to bst was investigated in the present study

    本文主要對cb在大鼠腦干內相關結構特別是與內臟傷害性信息傳遞和調控相關聯核團內的分佈,以及參與內臟傷害性信息傳遞的cb樣神經元由孤束核向終紋床核的投射進行了研究。
  11. In communications, an amplitude modulated signal in which the amplitude of the carrier is reduced to zero for some part of the cycle of the modulating waveform

    通信技術中的一種調幅信號,其載波的振幅在調制波形周期的某些部分減少到零。
  12. Finally, the anti - jamming system is discussed. through simulation analysis and experiment on signal integrity, the method of improving stability of the circuit is presented. circuit testing proves that the “ sub - row ” gray - scale modulating method is suitable for our printable fed with low work. the designed circuit has been applied to our fed sample which can display vga format video with 256 gray - scale and brightness of 400 cd / m2

    實際電路測試證明,子行灰度調制的方法適用於印刷型低逸出功fed顯示屏,所設計的灰度調制驅動電路已成功應用於25英寸彩色fed樣機中,可顯示vga格式視頻圖像,灰度等級為256級,顯示亮度達400cd / m2 。
  13. In this paper, we are going to use high speed digital signal processor, track the carrier wave through the digital phase locked loop, and so to demodulate the modulating signal. it can overcome the difficult problems of the other ways

    而我們這里就是準備用高速數字信號處理器,利用數字鎖相環實現對載波的跟蹤,從而實現調制信號的解調,它能有效克服其他解調方式所遇到的困難。
  14. Associated with the military project " high speed arbitrary waveform generator ( awg ) module ", this thesis focuses on the designing methodology of analog channel of the awg developed by uestc. signal filtering, amplitude and offset controlling, square wave and modulating wave ' s generating are studied in detail and corresponding circuit implementation are developed

    本文結合電子科技大學承擔的軍用型號項目「 vxi任意波形發生器es14v21 」 ,展開對任意波形發生器模擬通道設計技術的研究,詳細討論了信號的濾波、放大、衰減、加偏處理以及方波和調幅波的產生方式,並設計了具體電路。
  15. It has wider application foreground in civil and military affairs communication field. uwb signal is generated by modulating ultra - short waveforms, so it has an ultra wide band

    它在民用和軍用通信領域有著廣闊的應用前景,特別是對軍隊的通信、指揮和武器控制系統有著深刻的影響。
  16. The technical noduses of the harmony loading system, such as multi - channel signal synchroniza - tion, signal phase modulating and frequency excursion control are discussed. the key steps and actualization details are also provided

    同時,論文探討了協調加載控制系統的主要技術問題,如多餘力、多通道相位協調和頻率漂移的控制等,並給出了系統實現的細節。
  17. After being buffered, read by blocks and plus - width - modulating ( also called pwm ), the digital video signal will be converted into scanning signal for color moving picture and then be outputted to the display board

    系統將多媒體視頻卡輸出的數字視頻信號進行數據緩存、分塊讀取和脈寬調制等處理,形成符合顯示板結構的彩色運動圖像掃描信號,輸出到顯示板。
  18. It belongs to multi - carriers modulating technology, and its most remarkable character is the high - speed transmitting ability as well as the excellent resistibility to interface of signal interval and decline of channel selectivity

    它屬于多載波調制技術,其最大的特點是傳輸速率高,對碼間干擾和通道選擇性衰落具有很強的抵抗能力。
  19. Based the research on the laser beam drift feedback control technique, analysing the beam drift and its frequency components, a laser beam directional stability method is studied in the thesis in detail, with its measurement and control circuit system that combines the laser beam intensity modulation and the beam drift feedback control technique. in this method, at first the laser beam intensity is modulated with the acoustooptic modulator, then the lock - in amplifier is applied to detect and demodulate the modulating signal, at last a feedback control signal is generated by the dsp control circuit at last, including : 1

    本文在原有的激光光束漂移量反饋控制準直技術的基礎上,對光束漂移量信號的數據和頻譜進行了分析,重點研究了一種集聲光調制光強與光束漂移量反饋控制準直技術於一體的激光光束方向穩定方法及其測控電路系統,該方法通過聲光調制實現光強調制,接著通過鎖相放大電路檢測並解調調制信號,然後通過dsp控制電路進一步對光束的漂移量進行反饋控制。
  20. The modulating signal is generated in the way of direct digital synthesizer technology. the signal has many characteristics such as ultra wide frequency bandwidth, ultra high frequency resolution and ultra good phasic continuity, etc. thus it can be achieved the high frequency and amplitude stability of the modulating signal

    本文採用了數字頻率合成技術( dds )來產生調制信號,它具有超寬的頻率帶寬、超高的頻率解析度和相位連續性等特點,可以實現聲光調制信號的頻率和振幅的高穩定性。
分享友人