巴特沃思 meaning in English
butterworth
Examples
- My section at the admiralty research laboratory was run superbly by stephen butterworth .
我所在的海军部研究实验室的那个组由斯蒂芬巴特沃思出色的领导着。 - My section at the admiralty research laboratory was run superbly by stephen butterworth
我所在的海军部研究实验室的那个组由斯蒂芬?巴特沃思出色的领导着。 - Butterworth - type and bessel function - type two ways are used for design of bandpass filter for receiver , and with the help of eda simulation tools , the bold plot and the group delay characteristics of the filters designed are compared
摘要采用巴特沃思型和贝塞尔函数型2种方法进行接收机带通滤波器设计，借助eda对该滤波器进行波特图和群延迟特性的比较。 - Based on the testing principle of wheatstone bridge , a simple testing system is set up with two cascaded amplifiers and two cascaded butterworth lowpass filters . the varying voltage is tested by the system as the pressure is changed . experiment data are obtained , which also prove the feasibility of the design and the process flow
5 .基于惠斯顿电桥的测量原理,利用两级放大电路和两级巴特沃思低通滤波电路搭建了一简单的测试电路系统,成功地检测出了输出电压的微小变化值并得出了一些初步的实验数据,验证了芯片设计和工艺流程的正确可行性。 - This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology . the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview , the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation , which satisfies the index of performance of dsss . 3 ) the low voltage plc system includes the sc1128 , the specific modulation / demodulation ic , the bpf filter and other circuit components , furthermore , the control function of system is realized by means of the personal computer and the microcontroller
本课题在对低压电力线的传输特性和数字调制技术进行分析的基础上，将通信理论中的直接序列扩频技术( dsss )用于解决低压电力线通信的干扰问题，主要研究内容如下： ( 1 )用通信仿真软件systemview对dsss技术的通信和抗干扰原理进行仿真分析，分别对时域和频域下采用dsss技术前后接收信号的频谱进行分析，验证dsss技术在本系统中的可行性； ( 2 )由dsss技术对滤波系统的要求，根据滤波理论分析了巴特沃思型滤波器的逼近原理并设计了合适的滤波电路； ( 3 )用调制解调芯片sc1128和自行设计的滤波器加之辅助外围电路，构造出低压电力线载波通信系统，并采用atmel公司的单片机设计了接收和发射电路的微控制器； ( 4 )分别对采取抗干扰措施前后输入和输出信号进行对比实验，并对结果进行分析，验证了dsss技术对干扰信号的抑制作用。