| 1. | Serial vs . parallel communication
串行对并列通信 |
| 2. | Lift controller ' s fault diagnosis system ' s cost is largely reduced by using the board , which was replaced the parallel communication board
用它代替并行数据采集板，大大降低了系统的成本。 4 、设计并实现了电梯控制系统故障诊断软件。 |
| 3. | The parallel communication and mcu are introduced , and the system structure , image process arithmetic and program flow chart are presented also
同时还详细介绍了并口通讯以及单片机控制板，并给出了系统结构、图像处理算法以及程序流程图。 |
| 4. | The database management and configuration module performed in the software designing . modem communication technology also gets skilled application to achieve the multicast parallel communication
在软件设计中，实现了数据库管理及组态功能，并且使用modem通信技术，实现了多端口并行通信。 |
| 5. | The circuit designing of data acquisition board , especially of the parallel communication interface is thoroughly analyzed and the protocol of communication between pc and the data acquisition board is defined
本文重点论述了数据采集板硬件电路的设计，特别是并行通信接口电路的设计，定义了上下位机相互间通信的协议。 |
| 6. | Through calling various function of the mscomm activex control provided by vb to realize serial - parallel communication and programming the modem . it can realize the function of establishing data link circuit and gathering the electrical parameters of transformer by pstn and so on
本文通过对vb提供的用于串行通信的mscomm控件所提供的各种功能的调用以及对modem编程，实现了从数据链路的建立到通过公用电话网对变压器电量数据采集等多项功能。 |
| 7. | In this paper , according to communication technology of bus and interface in atm system and its applications in the real world , the paper discussed of two aspects about the communication , one side of them is converting of ethernet and serial communication ; the other is conversion of ethernet and parallel communication
本文围绕自动测试系统中总线接口通信技术，做出了两个方面的研究和设计：以太网与串行通信之间的转换和以太网与并行通信之间的转换。 |
| 8. | The system abandons the serial communication that is low speed and low effect , but change to use the printing port , realizes the high speed , efficient parallel communication , further more choose to use to the ecp ( extended capabilities port , ) mode of parallel communication . according to the outside physical transfer ability , this mode can automatic adjust the transfer speed , and realize the data communication with the arbitrary speed
该系统在上下位机的数据传输中，摒弃了低速、低效的串行通讯，而改用打印口，实现了高速、高效的并行通讯，并且选用了并口的ecp （ extendedcapabilitiesport ,扩展功能接口）模式，可以根据外设的实际传输能力自动调整传输速度，实现任意速度的数据通讯。 |
| 9. | However , the paralleling communication can meet the requirements of high speed and fidelity in underwater signal transmissions . ofdm is a kind of novel paralleling transmission technology . the principle of ofdm is that the whole bandwidth can be divided into some subchannels , the high - speed serial signal stream is modulated by some orthogonal subcarriers
正交频分复用( ofdm )是近年来数字通信中流行的一种并行传输新技术，其核心思想是将整个可用频带分割成多个正交子信道，将待传输的高速串行码流并行的调制在这些子信道载波上。 |
