这些研究者通过改变光脉冲的强度来重编电码，比如，用高强度来表示1低强度来表示0。
These researchers were encoding digital data by varying the intensity of a pulse of light. For example, high intensity would represent a 1 and low intensity would represent a 0.
4D指四个数据符（2比特），PAM5表示分5个层级的脉冲幅度调制。
The 4D means four data symbols (two bits), the PAM5 is Pulse Amplitude Modulation with five signal levels.
数字式，指一种信号。该信号在一定的时间内，振幅保持不变。通常由一系列的高低脉冲表示。
Digital, Digital refers to a signal whose amplitude remains constant for a finite period of time. Digital signals are commonly represented as a series of high and low pulses.
计算机是一种装置，它接收一系列表示信息的电脉冲，并将其组合，分类。
A computer is a device that takes in a series of electrical impulses representing information, combines them, sorts them.
得到了脉冲宽度的简单解析表示，并对结果进行了讨论。
We obtain the simple analytic expression for the pulse length and discuss the results.
通过理论推导得到脉冲电晕放电等离子体的电子平均能量(用电子温度表示)与同轴电极系统中的击穿电压有成正比的关系。
It is theoretically testified in this paper that the breakdown voltage is in direct proportion to the electron mean energy of pulsed corona plasma in a coaxial-electrode system.
脉冲发生器串行地输出表示数字字的数字的脉冲，首先是最低有效数字。
The pulse generator serially outputs pulses representing digits of a digital word least significant digit first.
表示常规变换器。可指定变频器或脉冲反相器。
Represents a general changer. Frequency changer or pulse inverter can be specified.
屏保中紫色的点表示已探测到的脉冲星*位置。
The purple dots on the celestial sphere mark the locations of pulsars* that have already been detected.
数据“1”则表示在单元间隔的中间有数据脉冲的存在。
A "1" is indicated by a data pulse, occurring in the middle of the bit cell interval.
在一些亚洲国家，它表示一个脉冲星的日产版本。
In some Asian countries, it denotes a version of the Nissan Pulsar.
因此，窄带脉冲光束可以采用复振幅包络和复解析信号两种表示式来研究，而对于宽带脉冲光束，必须采用严格的复解析信号表示式。
It is concluded that both of the representations are applicable to study narrowband pulse, but for broadband pulse only rigorous complex analytical signal representation should be adopted.
但是，如果每个样值中用4位(码)表示，则传输质量会下降，而脉冲的重复速率也将减小到32khz。
However, if only 4-digits per sample value had been used, the quality of transmission would drop, and the repetition rate of the pulses would be reduced to 32khz.
图2B串，每个脉冲的持续时间或脉宽表示M个数据位的组，交替的高和低脉冲表示连续的组。
Fig. 2b, each of whose time durations or pulse widths represents a group of m data bits, with the alternating high and low pulses representing successive groups.
图2B串，每个脉冲的持续时间或脉宽表示M个数据位的组，交替的高和低脉冲表示连续的组。
Fig. 2b, each of whose time durations or pulse widths represents a group of m data bits, with the alternating high and low pulses representing successive groups.
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