television transmitter

In past over 10 years, the digital television transmitter technology, which is indispensable to the digital television ground broadcast has witnessed a rapid development.

经过近十几年的努力，数字电视地面广播所必需的数字电视发射机技术有了飞速的发展。

The paper design to achieve a television transmitter RF front-end, the base signal will be mix to RF signal, the RF signal will be enlarge before export.

本文设计实现了一个便携式无线电视发射机的射频前端，将调制信号混至738～778MHz的六个频点上，并将混频后的信号功率放大至20dBm输出。

This paper expounds the group delay distortion problem existing in the single-channel IF modulation television transmitter and its negative influence on the pictures, and advances the correcting schemes and the alternative correcting circuits.

阐述了在单通道中频电视发射机中存在的群时延失真问题及其给图像带来的不良影响，提出了校正方案及可选择的校正电路。

This article briefly introduces the research progress in digital television transmitter at home and abroad in recent years and discusses some technology questions which need to be solved in the coming years in our country in aspect of the digital television transmitter research and development.

本文简要介绍了国内外近年在数字电视发射机研制方面的进展，讨论了我国今后几年在数字电视发射机研制方面需要解决的若干技术问题。

The Design of a Local Oscillator for Digital Television Transmitter

数字电视发射机本振频率源的设计

A kind of distributed feedback ( DFB) diode laser module was developed for the use of Amplitude Modulation Cable Television ( AMCATV) transmitter.

开发了一种用于光纤公用天线电视（CATV）的分布反馈激光二极管组件。

Intermodulation distortion is an important factor affecting the property of television transmitter.

互调失真是影响电视发射机性能的一个重要因素。

The Group Delay Distortion in the IF Modulation Television Transmitter and Its Correction

中频调制电视发射机中的群时延失真及其校正

Combined vision-sound amplification type television transmitter

放大色（视觉放大）图像、伴音合成放大式电视发射机

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。

Intermodulation Distortion and Its Automatic Correction of Television Transmitter

电视发射机的互调失真及其自动校正

In the design process, according to the control request of broadcast and television transmitter, combining the structuring programming designing method, the PLC program is divided into 9 parts, and carrying on the design to each mold piece.

在设计过程中，按照广播电视发射机的特点和控制要求，结合结构化程序设计方法。将PLC监控程序分成9个功能模块，并对每个模块进行设计。

The paper compares the passive bistatic radar with the conventional monostatic and bistatic radar when detecting targets at low altitude in some given direction and considers the characteristic of television transmitter fully.

本文主要结合电视发射的特点，将无源双基地雷达与常规单、双基地雷达在特定方向上对低空目标的探测进行仿真计算对比；

The Design of an Amplifier of DVB_T Digital Television Transmitter

DVB T数字电视信号发射机若干问题的研究

One of the basic elements of this study was the development of methods for the assessment of individual exposures to radio and television transmitter radiation one year before the actual diagnosis.

这项研究的基础工作原理之一是发展了一套关于被明确诊断前一年接受无线电和电视发射器辐射的个体的评价方法。

Multi-channel radio and television transmitter automatic monitoring system

多通道广播电视发射机自动监控系统

Simple Discuss of the Progress in Digital Television Transmitter

浅谈数字电视发射机技术的发展