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- video signal bandwidth 视频信号带宽
- A T/H stage is added in the front for high signal bandwidth. 电路的最前端加入了采样保持单元来提高电路的带宽。
- There is no video signal. 没有视频信号。
- DSP card is used for video signal sampling and image data processing. DSP高速数字信号处理板做从机,主要负责图像信号的实时采集和图像数据的实时处理。
- Is there any delay between receiving the audio signal and the video signal? 接收声音信号和可视信号之间是否有时间间隔?
- This article presents a composite video signal sampling system based on CPLD. 介绍了一个以CPLD为控制单元的黑白全电视信号采集系统。
- Even with improvements to the phone system allowing higher speeds, this splitting of available phone signal bandwidth still imposed a half-speed limit on modems. 通过改进电话系统可以允许更高的速度,分离的可用电话信号带宽依然受到Modem强制半速限制。
- The signal spectra width is worked out in the range of phase-mismatching and the curve of signal bandwidth along with the signal wavelength is obtained by numerical calculation. 推导了在允许相位失配范围内谱线宽度表达式。通过数值计算,得到谱线宽度与输出光波长关系曲线。
- The required signal bandwidth is 1.25MHz.This modulator uses MASH2-1-1mbit architecture with 4 bit quantizer in the last stage and OSR of 16 which means 40MHz sampling frequency. 调制器信号带宽要求为1.;25MHz,结构采用MASH2-1-1mbit结构,最后一级采用4位量化,过采样率为16,采样频率为40MHz。
- Abstract]: Auto tracking( ATR) is the key technique for VCR to ensure the quality of the replayed video signal. 自动磁迹跟踪是保证录像机重放图像质量的关键技术之一。
- In key effects, the video signal which fills the hole cut in the background video. 在键效果中,在背景图像中填充进切割空洞的视频信号。
- The use of balanced transmission lines can help but if the signal bandwidth extends to DC there will be a need for a very high performance instrumentation amplifier at the receiving end to restore a ground referenced signal. 采用平衡传输线有助于改善信号完整性,但是对于带宽延伸到dc的信号,接收端要靠超高性能的仪表放大器来还原参考电平。
- Applicable to transmission of various video signal in close circuit TV monitoring system and sound engineering. 适用于在各类闭路电视监控系统、音响工程中传输视频信号。
- No, by merely using a video distribution system, one can bring the existing video signal to our analysers. 答:不用。只需使用一个视频分配系统,就可以轻松地将现有的视频信号送给我们的分析系统。
- The RF Power Amplifier(PA)in the transmission path which so far have been modelled as frequency independent(without memory effects) show memory effects due to the large signal bandwidth. 在宽带应用中,由于传输信号带宽增加,RF功率放大器不同于窄带输入下的无记忆特性,将表现出与频率有关的记忆非线性特性。
- The video signal is directed to the CRT through a sound trap which eliminates the sound-carrier frequency. 视频信号通过声音陷波电路,消除声音载波频率,直达CRT。
- Auto tracking (ATR) is the key technique for VCR to ensure the quality of the replayed video signal. 自动磁迹跟踪是保证录像机重放图像质量的关键技术之一。
- High definition component video signals contain sync on each channel.! 高分辨率的分量视频信号在其每一个通道中都包含了同步信息!
- Then select cam2 signal and identify which type of video signal is coming from the camera. 然后,选择Cam2信号,并查明从摄像机里发出的是何种视频信号。
- In television, a short duration variation in the luminance following a step change in the video signal. 电视技术中,电视信号在出现一个阶跃变化后引起亮度的短时间闪烁。