| 1. | Pstn public switched telephone network
公用电话交换网 |
| 2. | The process of setting up a data transfer on a pstn line
在公用电话交换网( pstn )线路上建立数据传输的过程。 |
| 3. | Public switched telephone network
公用电话交换网 |
| 4. | Up to now , there are many systems over pstn which are already in use in many fields of our everyday life
目前已经有很多应用于公用电话交换网( pstn )的成型系统，并且已经在我们生活的各个领域得到了应用。 |
| 5. | The author innovates and designs long - distance distributed three level monitoring system in the paper by using pstn as channel according to require
本文针对现场的需求，利用无处不在的公用电话交换网，作为传输通道，创新性地设计了远程分布式三级监测系统。 |
| 6. | Modem operating at data signalling rates of up to 33600 bit s for use on the general switched telephone network and on leased point - to - point 2 - wire telephone - type circuits
公用电话交换网和点对点二线专线电路上使用的数据信号速率高达33600 bit s的调制解调器 |
| 7. | In the end , it is verified by experiments and application that the design of hardware and software is feasible in the monitor and collection system for water pressure of pipe network in cities
系统还利用由modem和公用电话交换网( pstn )组成的通讯线路进行远程数据传输。最后，通过实验和实际应用验证了本系统软硬件设计的可行性。 |
| 8. | But with the development of image compressing technique , which reduces band width for transferring condensed image data quite a lot , transmitting static images in public switched telephone network ( pstn ) becomes possible
而近年来由于图像压缩技术的发展,压缩后图像数据可大大的降低传输所需带宽。这使得在公用电话交换网( pstn )中进行静止图像的传输成为可能。 |
