Word

Meaning

中文

Analog

of a circuit or device having an output that is proportional to the input 

analogue device

模拟

Digital

of a circuit or device that represents magnitudes in digits

digital computer

 数字的

Analogue

using a continuously changing range of physical quantities to measure or store data；

 showing the time using hands on a dial and not with a display of numbers 

模拟的；指针式

digital

using a system of receiving and sending information as a series of the numbers one and zero, showing that an electronic signal is there or is not there

showing information by using figures, rather than with hands that point to numbers

 数字信息系统的；数码的；数字式的

efficiently

in an efficient manner

有效地；效率高地

reliably

n a faithful manner

可靠地；确实地

Electrical Noise

电气噪声，电气噪音

High

HIGH = 1.If for many digital systems HIGH is 3.3V or 5V, but other values are also used.

高电平

Low

LOW = 0. LOW is from 0V to about 0.8V.

低电平

 logic level

The voltages used to represent a 1 (HIGH) and a 0 (LOW) are called logic levels.

逻辑电平

Amplitude

maximum voltage

幅值

Period

Time in seconds for one full cycle

time for one full cycle

周期

frequency

number of cycles per second, measured in Hertz (HZ)

频率

Pulse width

time the waveform is HIGH

脉冲宽度；脉冲持续时间

Negative pulse width

负脉冲宽度

Positive Half

正半周

Negative Half

负半周

Duty Cycle

A duty cycle is the percent of time that an entity spends in an active state as a fraction of the total time under consideration.

工作周期；占空比

negative pulse

negative duty cycle

负脉冲

Pulse Width Modulation (PWM)

脉宽调制

encode

编码

Digital Numbering Systems

数字系统

Decimal 

based on or counted in tens or tenths/ˈdesɪml/

十进制

Binary

using only 0 and 1 as a system of numbers

二进制

Hexadecimal

 a system for representing pieces of data using the numbers 0-9 and the letters A-F

十六进制的

Binary coded decimal (BCD)

二进制编码十进制(BCD)

Twos-complement

二进制补码

one's complement

二进制反码

Floating point

浮点

octal

[数] 八进制的

LSB

least significant bit

最低有效位

MSB

most significant bit

最高有效位