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digital phase moudlation 数字调相
Automated wide-band tuning of five-bit L-band digital phase shifter. L波段五位数字移相器的宽带自动修调。
The digital phase shifter is the most important component of T/R section. 数字移相器是T/R组件的关键部分。
Section five describes the design and measure of the whole digital phase shifter and switch section. 第五部分是对整个数字移相开关组件的设计与测试。
As we all know, digital phase shifter is the necessary key component of phased-radar. 众所周知，移相器是相控阵雷达部件不可缺少的重要组成部分。
Products listed on the latest digital phase baskets, computer camera, mops and other new features. 最新上市产品有数码相筐、电脑摄像头、新功能拖把等。
TMS320F240 DSP is used to realize the digital Phase Locked Loop(PLL) and real-ize the hot-swap function of the parallel system. 采用TMS320F240型DSP芯片实现数字锁相同步,实现并联系统的热插拔功能。
This paper discusses a method to demodulate FSK signal, on the basis of FPGA chip, by applying all- digital phase locked loop. 本文研究了一种采用全数字锁相环实现频移键控FSK信号解调的新方案。
This paper presents a digital phase lock technique for UPS inverter output control to meet the trend of UPS digital control. 针对不间断电源(UninterruptedPowerSupply,UPS)控制的数字化趋势,提出了一种应用于数字化UPS的逆变锁相控制技术。
Chapter 5 discusses the design and test of S-band multichip module (MCM) 4-bit digital phase shifter and switch section ,including five sections. 第五章论述S波段四位MCM数字移相器开关组件的设计和测试，包括五部分内容。
This dissertation is mainly on the research of S-band multichip module (MCM) 4-bit digital phase shifter and switch section. 本论文主要是对S波段MCM四位数字移相器开关组件进行研究。
Chapter 3 dissertates the work principle of several microstrip digital phase shifter respectively, and describes their characteristics. 第三章对几种微带数字移相器的工作原理分别进行论述，并描述它们各自的特点。
A responsive multiple frequency ranging system is designed by utilizing digital phase discrimination,based on FFT,and phase double principle. 利用基于FFT的数字鉴相方法和自乘倍相原理设计了一种应答式侧音测距系统。
Feeding error comprizes phase quantization error produced by digital phase shifter, array tolerance and the error produced by failure element. 馈电误差包括由数字移相器的使用引入的相位量化误差、阵列公差和失效单元引起的误差。
The construction of automated laser tuning system and the tuning process are presented with the automated wide-band tuning of a five-bit L-band digital phase shifter as example. 以L波段五位数字移相器的宽带自动修调为例，介绍了激光自动修调系统的组成和工作过程，讨论了移相器的可修调设计和修调算法的设计。
Newly developed semi automatic grinding wheel balancer for precise grinder detects unbalance vibrative signal by digital phase sensitive detection technique. 介绍新研制成功的精密磨床砂轮半自动平衡仪。
In view of DSP real-time operation, an optimized digital phase locking technique is proposed in the paper to implement high precise synchronous azimuth transform. 从易于DSP实时实现的角度，提出了一种快速收敛的数字锁相优化迭代技术，实施高精度的亚成像。
Several blocks such as ELST, CRC coder/decoder, Bit synchronousdigital phaselocked loop and jitter attenuate digital phase locked loop aredescribed in detail. 论文对作者所设计实现的部分模块作了较为详细的介绍，包括弹性存储器的设计和CRC编解码的设计以及位同步数字锁相环和抖动衰减锁相环的设计。
In chapter 1, the microwave planar integrated circuits and its development, and the meaning of the research on MCM digital phase shifter are dissertated. 在第一章中，首先论述微波集成电路及其发展趋势和MCM数字移相器研究的意义。
The theory to extract angular error is described and the realization of millimeter radar's digital phase comparator and extracting method of angular error's sign are discussed. 分析了角误差信号提取的原理,并详细分析了毫米波雷达的数字比相的实现及角误差符号信息的提取方法。