您要查找的是不是:
- A digital data network (DDN) is a data transmission network within which digital channels are utilized for data signal transmission. 数字数据网(DDN)是采用数字信道来传输数据信号的数据传输网。
- Digital data network(DDN) is contrived to transmit data signals with digital channels( optical cable or digital microwave) and digital cross connect(DXC) equipment. 数字数据网(DDN)是利用数字信道(光缆或数字微波)及数字交叉连接(DXC)设备来传送数据信号的数据传输网。
- The interface between the data processing terminal and data communication equipment. It involves not only digital data signals, but also signals for controlling the modem and the data link. 数据处理终端设备与数据通信设备之间的接口,它不仅包含数字式数据信号,而且还有控制调制解调器和数据链路的信号。
- digital data signal 数字数据信号
- Data bits are allocated to the channels through a highly efficient modulation technique that converts digital data to electrical signal pulses. 数据通过一种高效的调制技术(即把数字数据变成电信号脉冲)分配给各个信道。
- Codec is a device or program capable of performing encoding and decoding on a digital data stream or signal. 编解码器是一个设备或程序能够执行的编码和解码数字数据流或信号。
- No conversion from analogue to digital data is needed. 没有必要把模拟转换为数字数据。
- A change from one significant condition to another in a telegraph or a data signal. 在电报或数据信号中,从一个有效状态到另一个有效状态的一种变化。
- CK Composite with Check Digits data type. 具检核值的合成资料型态。
- Digital data are encoded by means of pits on the recording layer of the disc. 对数字化资料进行编码,是通过光盘记录层面上的凹坑来实现的。
- Modulate: To mix a voice or data signal onto a carrier for transmission in a communications network. 调制:把声音或数据信号混入承载体内,以便在通信网络内传送的情况。
- The input alleyway setting of analog data, the confine setting of input signal, the conversion process of analog data to digital data and a part of programs in specific environment are discussed. 并针对具体的应用环境详细讨论了模拟量输人通道设置、输人信号范围设置,模拟量到数字量转换的过程及其部分程序;
- Today, signaling systems transport not only voice, but also video and data signals throughout both analog and digital networks. 现今,信令系统传输的不仅仅是语音,而且还包括视频以及整个模拟和数字网络中的数据信令。
- When the temperate has changed greatly .The system will also transmit one reversal data signal in order to control the vidicon on site . 同时为了实现对现场摄像机的控制,还需回传一路数据信号。
- The left and right channels are combined to one digital data string via a multiplexor. 通过多路转换器将左右声道合成一个声道。
- All modulus switch (ADC) and the d/a converter (DAC) all needs a datum signal, usually is the voltage datum. 所有模数转换器(ADC)和数模转换器(DAC)都需要一个基准信号,通常为电压基准 。
- Digital Data Network(DDN) is a data network designed to transmit data on digita! channels. 数字数据网(DDN)是利用数字信道来传输数据信号的数字传输网。
- Today,signaling systems transport not only voice,but also video and data signals throughout both analog and digital networks. 现今,信令系统传输的不仅仅是语音,而且还包括视频以及整个模拟和数字网络中的数据信令。
- In WLANs, a third type of modulation called phase modulation is used to superimpose the data signal onto the carrier signal that is broadcast by the transmitter. 在WLAN中,第三种调变称为相位调变,使用来附加资料讯号到传送器广播出的载波讯号。
- Generally,digital data in blocks of fixed bit length is combined with a digital encryption key. 一般而言,固定位长的字块中数字化数据是与数字密钥混合在一起的。