副载波产生电路是视频处理系统的重要组成部分。
The subcarrier generation circuit is very important constituent in the video process system.
然后,符号将会映射到副载波,并且经由天线传送。
Symbols are then mapped to subcarriers and transmitted via antennas.
分析了副载波调频技术用于光纤光栅阵列查询的基本原理。
The fundamental principle of sub-carrier frequency modulation used for FBG array interrogation is analyzed.
利用DDFS技术设计出一种改进的副载波产生电路结构。
Designs one kind of improvement subcarrier circuit structure, which used DDFS technology.
利用调频广播副载波可以开展无线寻呼——SCA无线寻呼。
The FM broadcasting subcarrier can be used for radio paging SCA radio paging.
我们研制成功8路时分副载波半导体DFB激光器波长锁定器。
We have successfully developed an 8 channels time division sub-carrier semiconductor DFB laser wavelength locker.
主要介绍卫星电视伴音副载波数据传输系统的组成,以及主要实现技术。
This paper introduces composition and realizing technology of satellite TV aural sub-carrier data transmission system.
每个元素的信号波形可以改变:横向和纵向的频率,水平,阶段,副载波频率。
Each element of the signal waveform can be altered: Horizontal and Vertical frequencies, Level, Phase, and Subcarrier frequency.
综述了用于下一代移动通信的光纤毫米波副载波通信技术(ROF)的研究进展。
Progresses of millimeter wave subcarrier fiber communication technology (ROF) for future generation mobile communication are summarized in this paper.
色同步信号是为了在接收端恢复与发送端被抑制掉的色副载波同频同相的载波而设置的。
Color synchronous signal is setup to resume subcarrier color signal as same frequency and phase in receive end, which is suppressed in send end.
分析了彩色副载波和伴音内载波差拍干扰产生的原因、设计应考虑的问题以及测试方法。
The reason to produce beat interference of color subcarrier and sound intercarrier is analyzed with the introduction of considerable items for design and testing methods.
在光副载波复用(SCM)系统中若使用DOP作为DGD的监测信号将会遇到灵敏度低的问题。
The problem of low sensitivity will become seriously if DOP is used as the monitor signal of DGD in SCM system.
所述方法还包含:如果确定所述符号并非所述活动符号,那么在第二部分副载波上对闲置信息进行编码。
The method also includes encoding idle information on a second portion of subcarriers if it is determined that the symbol in not the active symbol.
分析表明,甚至在载波谱线低于副载波谱线时,该分析器也能把精密跟踪接收机引导到载波上而不致错锁。
It is shown that our analyzer has the ability to guide the receiver to lock on the carrier even when the carrier amplitude is smaller than that of the subsidiary lines of subcarriers.
仿真试验实现了全数字化的主字母指令副载波信号的发送和解调,抗噪性能测试的结果与理论分析的结果相一致。
In the simulation, the transmission and demodulation of all digital HA safety subcarrier signal is realized. The simulated test result of noise suppression performance of HA is con...
仿真试验实现了全数字化的主字母指令副载波信号的发送和解调,抗噪性能测试的结果与理论分析的结果相一致。
In the simulation, the transmission and demodulation of all digital HA safety subcarrier signal is realized. The simulated test result of noise suppression performance...
采用综合的分析方法从理论上分析了适合于微波副载波传输的谐振式光接收机前端的特性,提出了一整套计算公式。
An general analysis for front end performance of turned optical receiver for microwave subcarrier multiplexed lightwave system was presented. Formulas for front end circuits were deduced.
第三,对采用不同调制格式(包括幅移键控和二进制相移键控)的光副载波复用(OSCM)系统中,PMD引起的功率代价进行了量化。
Thirdly, we quantify the power penalty caused by the PMD in optical subcarrier multiplexing (OSCM) system with amplitude shift keying (ASK) and binary phase shift keying (BPSK).
该方案利用频移键控频分复用(FSK FDM)技术进行声频副载波调制,通过光强度调制实现远程在线EDFA监控信息随主信号的传输。
In the scheme, FSK-FDM technique is used in subcarrier modulation, and the EDFA's supervisory information is transmitted by optical intensity modulation.
在目前的OFDM系统中,在任何一个特定的时间,只有一个用户可以在所有副载波上进行传送;利用时分或者频分多路访问机制来支持多个用户。
In current OFDM systems, only a single user can transmit on all of the subcarriers at any given time, and time division or frequency division multiple access is employed to support multiple users.
在目前的OFDM系统中,在任何一个特定的时间,只有一个用户可以在所有副载波上进行传送;利用时分或者频分多路访问机制来支持多个用户。
In current OFDM systems, only a single user can transmit on all of the subcarriers at any given time, and time division or frequency division multiple access is employed to support multiple users.
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