color subcarrier
英
美
网络 彩色副载波; 色彩副载波
双语例句
- 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.
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。 - One is that the sampling frequency and the color subcarrier frequency are non-synchronized and the other is that the sampling frequency is three times the subcarrier frequency.
考虑了两种情况：其一是取样频率与彩色副载波频率为非同步的，其二是取样频率为副载波频率的三倍。 - Color synchronous signal is setup to resume subcarrier color signal as same frequency and phase in receive end, which is suppressed in send end.
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。 - Taking color subcarrier as time base and disposing a single-Chip Microcomputer make the accuracy and stability of this meter very high and the auxiliary functions complete.
该频率计采用彩电副载频作为内时基并引进了单片微机系统，因此有很高的频率稳定度及准确度，各种辅助功能强。 - The Beat Interference Of Color Subcarrier And Sound Intercarrier
谈谈彩色副载波和伴音内载波的差拍干扰 - Some considerations of color subcarrier regeneration circuit withoat oscillator are described and a circuit design is given, wherein the f_ ( R-y) and f_ ( B-y) are regenerated with the components of burst obtained through a comb filter.
本文讨论了用无振源再生色副载波的解码电路，并给出一种电路，其中采用色同步分量来分别再生f（R-y）及f（B-y）。 - After understanding the characteristics of the color synchronizing and the subcarrier, the effect of disturbance to signal is analyzed on the basis of spectrum. The methods and strategies of recovering line-to-line inverting subcarrier are tried to find.
在了解色同步和副载波信号特点之后，从信号频谱入手，分析了干扰对信号的影响，并在此基础上经过数学推导和不断实验总结，寻找理想的恢复逐行倒相副载波的方法和策略； - Its main tasks include sync signal abstracting 、 Y/ C separation 、 color subcarrier recovery 、 color demodulation and output format conversion.
其主要任务为：电视同步信号提取、亮色分离、色度副载波恢复及色度解调、输出格式转换等。 - In internally diplexed television transmitter, the nonlinear characteristic of amplifiers results in intermodulation distortion of three frequencies picture carrier frequency, color subcarrier frequency and aural carrier frequency.
合放式电视发射机中，放大器非线性特性的存在，使得共同放大的图像载波、彩色副载波及伴音载波分量相互作用，产生这三个频率的合、差频失真，即互调失真。