| 1. | The number of discrete signal elements that can be transmitted in a given modulation scheme 在给定调制电路中能被传送的离散信号码元数。 |
| 2. | Terminology for telecommunications . discrete signals , telegraphy , facsimile and data communication 电信术语使用离散信号的电信方式电报传真和数据通信 |
| 3. | In this research project we designed some special modules such as synchro / resolver signal transmit & receive card 、 discrete signal output comparison card 、 adi and his adapter cards ect 本课题自行设计制作了同步器信号发送/接收卡、离散量输出比较板、 adi和his适配器卡等专用功能电路板。 |
| 4. | This article elaborated the code technology in the correspondence application , discussed in the discrete signal code process function , as well as code technology security use and error correction function 摘要本文论述了编码技术在通信中的应用,讨论了离散信号的编码过程中的作用,以及编码技术的保密用途和纠错功能。 |
| 5. | The mitogen - activated protein kinases ( mapks ) are focal points of discrete signaling cascades for diverse extracellular stimuli , and function to regulate fundamental cellular processes 丝裂原激活蛋白激酶系统( mitogen - activatedproteinkinase , mapks )是多种细胞外刺激激活各种信号途径的交汇点,调节细胞的基本生命活动。 |
| 6. | In the digital control system , we adopted a new method of svpwm control via six discrete signals from the hall sensor and the digital pid control . the theories and application about the two methods are also introduced 采用了一种基于霍尔元件六个离散位置反馈信号的svpwm控制方法和数字pid控制方法,并对它们的原理及应用方法作了详细的介绍。 |
| 7. | According to different signal forms , we plan for the execution methods of three test items : servosystem performance , discrete signal input , discrete signal output . , and decide the necessary modules which this ate is composed of 按照测试信号流程划分了三类测试项目?随动系统性能检测、离散信号输入测试、离散量输出测试?拟定了相应的实现方案,在此基础上确定了构造这台ate的所需的硬件单元。 |
| 8. | Firstly , a system was developed in functions to collect infrasound data , to transform analog voltage signal from detector into discrete signal by a / d card and to process the data by using methods of digital signal process 首先设计一套数据采集系统,次声波信号通过传感器被转换成模拟电压信号,通过a d板将其转换为离散的数字序列,输入计算机。利用数字信号处理的原理和方法对异常次声信号进行分析处理。 |
| 9. | In the second chapter , wavelet theory , which is the theoretic basis of embedded zero wavelet coding is introduced briefly , including wavelet transform " s local characteristics , multi - resolution analysis , discrete signal ' s fast decomposition and construction , wavelet and filter group 第二章,对小波零树编码算法的理论基础? ?小波理论作了简要的介绍,包括小波变换的时频局部特性、多分辨率分析、离散信号的快速分解与重构以及小波与滤波器组的关系。 |
| 10. | Eddy - current sensor conversion circuit consist amplification circuit , band - pass filter circuit , demodulation circuit , differentiation phase and data sampling circuit . these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process . the microprocessor system that formed of dsp chip is used to data fitting of test system , data displaying and data communicating with personal computer , etc . the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter 硬件电路的设计主要分三大部分来实现:激励源电路部分,由分频电路和频率合成电路组成,产生频率稳定的激励信号以确保检测任务的正常进行;传感器变换电路部分,由放大电路、滤波电路、检波电路、鉴相电路和数据采集电路组成,主要将电涡流传感器检测线圈检测到的信号变换成只含有被测信息的离散信号,易于后续电路处理;由dsp芯片构成的微处理系统,主要完成检测系统的数据拟合、显示及与主机通信等功能。 |