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- QAM signal in HF channel 短波幅相调制信号
- Design of Jitter-Free Timing Recovery Scheme with Fast Tracking Capability for High Speed QAM Signal over HF Channel 一种短波高速QAM信号快速无抖动码元同步方案的设计
- A full digital demodulation scheme is proposed for HF QAM signal. 文中针对短波高速QAM信号,提出并实现了一种全数字的解调方案。
- Assuming the suppressing of serious co-channel interference this kind of data modem can realize data transmission by rate of 8KB/s, 16KB/S or 32KB/S in HF channel with bandwidth of 125kHz. 在共信道干扰被抑制的前提下,这种数据调制解调器可在带宽为125kHz的短波信道上实现8KB/s、16KB/s和32KB/s的数据传输。
- One of the important tasks to improve the throughput in HF channel is to find the method to conquer the severe time-varying intersymbol interference(ISI) as well as additive noise. 克服短波信道的时变特性,以及符号间干扰(ISI)和噪声的影响成为提高短波通信数据通过率的一个重要内容。
- New method to pick up sea echo signal in HF radars 高频雷达中提取海洋回波信号的新方法
- Analysis and improvement on DC wave recording in HF channel 高频通道直流录波的分析及改进
- The luminance signal in color video. 彩色电视中的亮度信号。参阅YIQ，YUV。
- The status or condition of being ready to run. A program, task, or hardware device that is in a ready condition needs only a start signal in order to begin operation. 准备就绪即可运行的状态。一个程序、任务或硬件设备在处于就绪状态时，只需要一个起动信号就开始工作。
- Complex Transmission Tech:differential signal in fewer channels. 多路传输技术：多重信号可以以较少的线路传输。
- Suppose you want to create a 256-level QAM signal using a microcontroller and two 10-bit DACs with a parallel input in two’s-complement notation. 假设要操作微处理器和两个带并行输入的10位DAC，创建在两个余角符号中的256级QAM信号。
- First，the pulsar signal in one period is decomposed by multi-SWT. 首先，对一个周期内的脉冲星信号进行多层平稳小波分解。
- Research on Digital Signal Demodulation for HF QAM Signal 短波高速QAM信号解调算法的研究
- The microwave always broadcasts TV signal in straight line. 传播电视信号的微波总是以直线的方式行进.
- According to the characteristic of HF channel, the Watterson model which was CCIR recommended was made. 首先从短波信道的特性分析入手，建立了基于CCIR建议的Watterson模型的短波信道模型。
- The performance of conventional differential demodulator is very poor in bad HF channel. 常规的差分解调器在恶劣的短波信道环境下性能很差。
- For 256-level QAM signals, you need 8 input bits, which exactly fit the width o f a general-purpose-I/O bank on most microcontrollers. 对256级QAM信号，需要8个输入位，精确符合大多数处理器上通用输入输出口的宽度。
- Conversely, intelligent beings which are just beginning to develop on remote worlds may be ready to pick up our signals in thousands of years. 反过来说，其他星球上的刚刚开始进化的智力生命，他们要过几千年之后，也许才可能收到我们的信号。
- Capable of receiving or sending signals in one direction only. 定向的只能从一个方向接收或发射信号的
- I often set my watch by the time signal in the telephone. 我常常按电话里的报时信号对表。
