环路

基于H∞环路成形的控制器设计及简化方法研究

Controller Design Based on H_ ∞ Loop Shaping and Reduction Methods Research

一种基于块调整的GPS码跟踪环路硬件设计方法

A Block-Adjustment Based Methodology for GPS Code Tracking Loop Hardware Design

一条新的绕城环路正在建设当中。

A new bypass around the city is being built .

这是环绕市区的环路。

This is the ring road that circles the city .

九溪十八涧则以“曲曲环环路，叮叮咚咚泉”著称。

Andand eighteen dales is famous for its crooked path and tinkling spring .

软件部分实现了GPS载波和码的跟踪环路算法。

Software realized the GPS carrier and the code tracking algorithm .

利用反馈环路稳定CO2激光器的功率

CO _ 2 laser power stabilization by feedback loop

本文报导CO2激光器功率稳定环路的构成与性能。

The design and the performances of a CO2 laser power stabilization loop are described .

无线adhoc网络中防止路由环路方案

Scheme for Avoiding Routine-cycling in Wireless Ad hoc Network

CO2/R170混合物作为复叠式制冷系统低温环路制冷剂的性能

Performance of binary mixture of CO_2 / R170 as low temperature circuit refrigerant in cascade refrigeration system

双环路模拟预失真器在3G功放中的研究

Study on double loop analog predistorter used in 3G RF power amplifiers

仿真和实验分析了DSP的延迟对环路设计的影响。

Through the simulation and experiment , the impact of DSP delay on loop design is analysed .

CDMA本地无线环路的设计与实现

The Design and Practice of CDMA Wireless Local Loop

在陀螺解调电路中采用FPGA进行数字信号处理，实现了两级反馈环路。

Digital signal is processed by FPGA in the demodulation circuit . Two feedback loops are realized .

传统多环反馈控制每一环路中使用的都是PID控制器，在稳态精度方面存在缺陷。

Steady-state error can not be eliminated because controller used in each control loop is usually a PID controller .

基于判决反馈的OFDM载波频率同步环路

A Decision-Directed OFDM Carrier Frequency Synchronization Loop

结果表明，将PE线做成环路的方法可以取代重复接地。

The result indicates that the method making the PE wire to be circuit can replace the repeatedly grounding .

~（18）F-FDGPET显像观察强迫症患者内囊前肢毁损术后脑内环路的改变

~ ( 18 ) F-FDG PET study after bilateral capsulotomy in obsessive-compulsive disorder

电压反馈型BUCK变换器环路补偿设计

Design of Compensation Network for Voltage Mode Buck Regulators

跳频通信中变通带锁相环路（PLL）的研究

Research of Changeable Frequency-Band PLL in Frequency Hopping ( FH ) Communication

测试结果也表明，采用了双向环路冗余方案的LED显示屏控制系统，数据传输的容错能力增强，可靠性增加。

The test results also showed that the fault-tolerance and reliability of the control system which used bidirectional loop redundancy program was largely improved .

结果表明，长春市道路交通CO污染严重的区域主要集中在一环路以内。

The result revealed that the severe areas of CO pollution derived from urban traffic were mainly concentrated within the first-ring road .

用于中频数字AGC环路的高效检波方法

Highly effective digital demodulation technique used in digital AGC

LEO小卫星突发数据通信系统中载波恢复环路的误捕获分析

Analysis of False Lock in Phase Recovery Loop for LEO Micro-Satellite Burst-Mode Communication System

导出了单个AM/FM的MAP估计方程，在此基础上构造了带有幅度闭环控制的锁相环路，并给出环路的数学模型。

First based on MAP estimation of a AM / FM signal a phase locked loop with closed amplitude control and its mathematical model arc introduced ;

研究了时域有限差分（FDTD）法的三维细孔缝模拟问题，推导出基于环路（CP）法的三维细孔缝仿真算法。

Subcellular models of thin slots in the finite-difference time-domain ( FDTD ) method are investigated .

基于残点识别的环路积分校正InSAR相位展开方法

Modified Loop-Integration InSAR Phase Unwrapping Based on Residues Recognition

用于光纤传输系统的CRC必须满足抖动要求。如果用简单的锁相环（PLL）来满足这一要求的话，将意味着非常窄的环路带宽和非常小的锁定范围。

Normally , a phase-locked loop has a very narrow loop bandwidth for good jitter attenuation .

设计了一种基于DSP和FPGA的软件接收机，并把SINS的信息接入接收机环路。

A design of GPS software receiver based on FPGA and DSP is presented to import the imformation of SINS into receiver loop .

一种简单的自适应快收敛LSP环路预防算法

A simple LSP loop prevention algorithm with adaptability and fast convergence