英语翻译I.Please translate the following words and phrases into

英语翻译
I.Please translate the following words and phrases into Chinese.(20 points total,2 point each)
1.exponential function
2.independent identically distributed
3.passive circuit
4.quantization step
5.error-correcting code
6.specialized hardware
7.modulating signal
8.unit step signal
9.bandpass filter
10.sequential logic circuit
II.Please translate the following words and phrases into English.(20 points total,2 point each)
1.线性代数
2.
3.输出阻抗
4.反馈电路
5.差分输入放大器
6.离散时间信号
7.数字信号
8.概率密度函数
9.线性时不变系统
10.图像恢复
III.Translate the following sentences into Chinese.(40 points total,5 points each)
1.A very commonly used method of microwave measurements is based on the study of a standing wave pattern formed along the line because of the interference of incident and reflected waves.
2.In the beginning,computers were used to process only numerical information,but majority of our information is non-numerical in nature and very little is known about its description and processing.
3.Noise and signal distortion are two basic problems of electrical communication.
4.With a user community more than 500,000 strong spread throughout industry,government,and academia,MATLAB is the recognized standard worldwide for technical computing.
5.When feedback is used around an operational amplifier,the closed loop gain of the circuit is determined by a ratio involving the input and feedback impedances used.
6.The main purpose of a natural or technical science is to establish the relationships between the variables involved in the process under consideration and to describe it mathematically.
7.Microwaves are necessary for communication with satellites because it can be represented exactly by mathematical expression.
8.Interest in color image processing has increased significantly in the past few years as a result of growth in the use of digital images for internet applications.
IV.Translate the following passages into English.(20 points total)
电子信息工程专业的培养目标是培养具有适应社会主义现代化建设需要、德智体全面发展、理论基础扎实、工程能力强的高级电子工程技术人才.本专业毕业生将能从事有关电子和信息工程的开发与应用研究,涵盖电子设备与系统、信号和信息处理技术、微电子系统技术、计算机应用和微波技术等领域.主要课程有：电路分析基础、信号与系统、模拟电子线路、脉冲与数字电路、微机原理及应用、数字信号处理、通信原理、单片机原理及应用等.

好多.指数函数,独立同分布,无源电路,?,纠错码,专用硬件电路,调制信号,单位阶跃信号,带通滤波器,时序逻辑电路,