信号源

X公司信号源生产线精益生产再造研究

Study on Signal Source Production Line Lean Reengineering of X Company

都市条件下GPS信号源接收机仿真及链路分析

Simulation of Receiver and the Calculation of GPS Signal Source under Urban Environment

基于FPGA的直接数字波形合成宽带信号源的设计与实现

The Generation of WB LFM Signal by Direct Digital Waveform Synthesis Based on FPGA

基于DSP和DDS的商品防窃监视器扫频信号源

Scanning signal source of EAS based on DSP and DDS

利用优化的系统设计方法，根据测速雷达对信号源的要求，设计的X波段介质振荡器达到了预定的设计指标。

Using the system optimization method , designed the X band DRO , which reached the desired specification .

根据其特性，利用FPGA设计了高准确度的数字频率信号源。

According to its characteristic , a high accuracy digital frequency supply oscillator has been designed using FPGA .

给电路加上适当信号源，检测电路的输出波形，并对西安理工大学硕士学位论文电路进行FFT分析，验证了设计的正确性。

Maked the FFT analysis for this circuit , prove the design is right .

WSN中移动单点信号源的重建算法

Reconstruction Algorithm for Mobile Point Signal Source in WSN

数字电视机顶盒STB（SetTopBox）是一个连接电视机与外部信号源的设备。

Digital TV set-top box STB ( Set Top Box ) is a connected TV set with an external signal source equipment .

采用DDS技术的高性能雷达信号源

High Performance Radar Signal Generator with Technology of DDS

实现了两路相位完全正交的DDS信号源。

The DDS signal source whose two phases are in quadrature is realized .

基于DDS技术的可叠加谐波的正弦信号源设计

Design of Sine Signal Source Which can Overlapped Harmonic Based on DDS Technology

基于微波锁相环的Ka波段锁相信号源

Ka-band phase locked frequency source based on microwave phase locked loops

可控IPM的PWM信号源及IPM测试系统的研究

Research on Test System of IPM and PWM Signal Source

互补SPWM波信号源死区时间的控制

The control of the dead time in the complement SPWM signal source

宽带信号源个数估计频域bootstrap方法

Frequency-domain bootstrap method for source number estimation of wideband signals

采用FPGA实现了线性调频连续波信号源的实时数字式闭环线性校正网络，利用SYSTEMVIEW完成了系统的仿真，并用VHDL完成了软件的设计。

The FPGA is used to implement real-time digital closed loop linear revise network , and use System View to simulate system , then design software with VHDL language .

工作表明，DDS技术在信号源设计领域有广阔的应用前景。

The work in this paper shows the DDS technique has excellent apply fortune in signal generator design .

基于PC机平台的HDTV信号源

HDTV signal source based on PC platform

本文将讨论Sigma-Delta技术用于产生校准激励信号源。

Sigma-Delta technology will be used to generate stimuli signals .

在FPGA程序的控制下，光信号源可以模拟信头进行实验，也可以作为大功率直流激光源使用。

This optical signal source can simulate header under the control of FPGA program in the experiment , and can also be used as a high-power DC source .

并根据DDS的特点，开发了FPGA+DAC的雷达信号源板卡。

According to the characteristics of DDS , the board of radar signal source based on FPGA + DAC structure is developed .

基于以上工作本文按照毫米波对信号源的要求，着力于解决系统内各部件的相互协调，完成Ka频段信号可调功率输出，实现了微波频率源的毫米波扩展。

Based the above work , we can extend the frequency range of microwave signal source to millimeter wave band .

采用直接数字合成（DDS）技术产生高精度激励信号源，用相敏解调方法实现数据获取。

Based on the DDS technique , the exciting signal source has high accuracy , and the data can be acquired by phase-sensibility demodulation .

在无源定位系统中，对信号源的DOA估计是一个关键问题，它将直接关系到系统定位的准确性。

In passive location system , the DOA estimation is an important issue which will decide whether the object could be located or not .

结合数字直接合成技术（DDS）和锁相环技术（PLL）的各自性能特点，介绍了一种实现C波段频率信号源的设计方案，并给出主要的硬件选择及具体的实现。

This paper presents a design scheme of C-band frequency signal source through their separate characteristics of DDS and PLL , gives the main hardware devices and specific implementation .

利用相干信号源的性质，提出利用FFT方法估计阵列信号的DOA，并与MUSIC算法进行了比较。

Based on the property of coherent signal source , a rapid DOA estimating algorithm employing FFT has been proposed . Comparison with MUSIC algorithm is performed by computer simulation .

在信号源为BPSK和MASK的情况下，提出了一种波达方向（DOA）估计方法。

A new ESPRIT-like method is presented to estimate the direction-of-arrival ( DOA ) angle from one-dimensional signal sources such as BPSK and MASK .

仿真实验结果表明，这种分布式目标DOA估计方法具有分布参数门限现象，DOA估计性能对其他信号源的分布参数不敏感。

Numerical results show that performance threshold of distributed parameter is present and performance of DOA estimation is insensitive to distributed parameter s of other sources .

本文论述了基于PCI总线的导引头电子舱检测系统的硬件模块和板卡驱动程序的设计与实现，其中包括了可编程信号源的设计与实现和基于PCI总线的数据采集卡的设计与实现。

The paper discuss how to design the hardware of the electronic cabin testing system based on PCI bus , which includes the programmable signal subsystem and the data acquisition subsystem .