解调信号的英文
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"解调信号"怎么读用"解调信号"造句
英文翻译手机版
- restituted signal
- "解调"英文翻译 demodulation; countermodulat ...
- "信号"英文翻译 signal; semaphore; gun
- "已解调信号" 英文翻译 : demodulated signal
- "半色调信号" 英文翻译 : halftone signal
- "步调信号" 英文翻译 : cadence
- "空调信号" 英文翻译 : air cond sig air conditioner singnal
- "色调信号" 英文翻译 : tonal signaling
- "失调信号" 英文翻译 : misalignment signal
- "未调信号" 英文翻译 : unmodulated signal; unmodulatedsignal
- "已调信号" 英文翻译 : modulated signal
- "正弦失调信号" 英文翻译 : sinusoidal misalignment signal
- "恒流可调信号源" 英文翻译 : constant current adjustable signal source
- "混合调辐调信号" 英文翻译 : hybrid am-pm signal
- "中音调信号发生器" 英文翻译 : bleeper
- "信号解调" 英文翻译 : signal demodulation; signal demodulator
- "信号解调器" 英文翻译 : demodulator of pm signal pm
- "信号解调器, 调相信号解调器" 英文翻译 : demodulator of pm signal pm
- "q信号解调器" 英文翻译 : q demodulator; q-demodulator
- "彩色信号解调" 英文翻译 : colour signal demodulation
- "电视信号解调" 英文翻译 : television signal demodulation
- "解调输出信号" 英文翻译 : demodulated output
- "色度信号解调" 英文翻译 : chrominance demodulation; chrominance signal demodulation
- "图象 信号解调器" 英文翻译 : video signal demodulator
- "伴音信号解调器" 英文翻译 : audio demodulator; sound demodulator
- "彩色信号解调器" 英文翻译 : chrominance signal demodulator; color signal demodulator
例句与用法
- The movement of the satellites causes doppler frequency to drift , the receiver usually tracks the signal frequency the receiver through phase locked loop , in order to can demodulate the signal
卫星运动造成多普勒频率漂移,接收机一般都采用锁相环来跟踪接收信号频率,以便能正确解调信号。 - Depend on its above , a tow - grade modulation chaos masking communication is put forward in order to improve demodulation signal ' s fidelity . 4 ) a user ' s interface is designed in this paper
在此基础上提出了两西安理工大学硕士学位论文级调制的混沌掩盖通信方式,用以改善解调信号的保真度。 - The radio surveillance digital system can identify the modulation format and parameters by data acquisition and signal processing in the complicated signal environments with noise
无线电监测调制识别系统能够在复杂环境和噪声干扰情况下对信号采集和处理确定信号各种参数,解调信号,从中获取信息。 - From theoretical analysis , we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value , detection or square in the process of generalized demodulation analysis , such phenomenon will result in some superfluous frequency composition on the frequency spectrum , which will puzzle the detec tion of mechanical vibration . if the sampling frequency is selected from a suitable range , the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling
现有的解调分析方法存在以下三种局限性:将不包括调制信息(故障信息)的两时域相加信号,也以其频率之差作为解调信号而解出;广义检波滤波解调分析中,由于取绝对值、检波或平方过程可能产生混频效应,在解调谱中表现为无法分析的频率成分,并由此推导出避免这种混频现象的采样频率的选取范围,从根本上避免此类误诊断的产生;几种细化解调分析新算法中,因为无法在细化分析的选抽时进行数字低通滤波,有可能会出现调制频率的高次谐波成分发生频率混叠而反折到低频部分的现象。 - Secondly , we apply tk operator to the cross - correlation of received signal code and pn code to separate the multi - paths . it comes to a conclusion that tk operator can separate the multi - paths within less than the chip period accurately of spread - spectrum system with space - modulation by simulation . at last , we apply this algorithm to the practical signal collected by gps tap , and from the result we can drop a conclusion the tk algorithm is practical
本文首先阐述了时空调制扩频信号原理以及在多径干扰下时空调制接收机的性能和teager - kaiser接收机的原理;接着对时空调制扩频系统的解调信号与伪码的互相关函数采用tk接收机进行多径分离,仿真结果表明, tk接收机对时延在一个码片内的时空调制扩频通信多径信号有很好的分离效果;最后用数据采集器对一个gps信号进行接收和多径的估计,验证了该算法在实际的运用中对多径的扩频信号有很好的分离效果。 - This dissertation , basing on simulation , makes a deep research on simulating signal of gmsk ( gaussian filtered minimun frequency shift keying ) baseband modulation and demodulation in ais ( automatic identification system ) equipment . the technology related in the following makes the modulation and demodulation of baseband signal into realization by ti dsp , at the same time , provides a key technique to develop ais system inland
本文着重对自动识别系统( ais - automaticidentificationsystem )设备的高斯滤波最小频移键控( gmsk - gaussianfilteredminimunfrequencyshiftkeying )基带调制解调信号进行了仿真研究,并在仿真的基础上,在ti的dsp上实现了基带信号的调制解调,为国内研制ais系统储备了关键技术。
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