1) ASK/FSK modulation
ASK/FSK调制
3) ASK/BPSK modulation
ASK/BPSK调制
1.
The research and practice of a synthesizer based on fractional technology with no trade offs between step size and phase noise, reference feed through spurs and tuning speed, and the designing and debugging of the ASK/BPSK modulation circuits are achieved in this article.
本文完成了一个基于分数分频技术实现兼顾细步长、低相噪、低杂散及跳频时间等指标的频率源的研制,并完成了信号ASK/BPSK调制模块电路设计、调试和测试工作。
5) FSK modulation
FSK调制
1.
The functions with real-time acquisition,disposal,FSK modulation and transmission of load weight are implemented.
本文介绍无线动态电子抓斗秤中数据采集装置的一种设计方法,实现了对所扎货物重量信号的实时采集、处理和FSK调制发射功能。
2.
the research and realization of this modem is based on FSK modulation and Bluetooth, including microprocessor choose, the build of embeded system, the design of conversion of TCP/IP based on uC/OS-II and PLC, the design of conversion of bluetooth and PLC, and the application program design based on uC/OS-II.
本文在分析了电力线通信系统的信道特性和调制方法的基础上,针对设计要求及开发成本的综合考虑,提出了采用基于FSK调制的调制方法,并对移动终端无线接入到电力线通信网络的实现方案进行了研究,完成了蓝牙无线数据接入到低压电力线通信网络进行传输的任务。
6) FSK / DPSK modulation
FSK/DPSK调制
补充资料：AS
丙烯腈-苯乙烯共聚物是由丙烯腈和苯乙烯通过本体法、悬浮法或乳液法制得。透明或半透明的水白色颗航。相对密度1．06-1．08。折射率1．57。平衡吸水性0．66％。热变形温度82-105℃。具有高光泽、高透明、高冲击、良好的耐热性和机械性能。刚性大，具有较高的化学稳定性，耐水、耐油、耐酸、耐碱、耐醇类。溶于酮类溶剂和某些芳烃、氯代烃。耐候性中等，脆性较大。
拉伸强度 72-78MPa
冲击强度 2．1-2.5kJ/m2
洛氏硬度 R76-80
熔体指数 l. 4-3.3g/10min
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条