分析了UWB室内衰落信道模型下脉冲幅度位置混合调制（PAPM）最优接收机性能。
The optimum receiver performance of a hybrid pulse phase and position modulation(PAPM) over ultra-wideband(UWB) indoor fading channel model is analyzed.
该文针对发射天线数为偶数的系统，提出了一种降低接收机计算复杂度的差分空时调制方案。
To reduce receiver complexity, a new DUSTM scheme is proposed for systems where the number of transmit antennas is even.
为了对软件无线电进行探索性研究，本论文主要研究了软件无线电接收机中的部分关键技术：包括数字下变频算法，多通道并行接收的信道化模型以及调制解调部分的实现。
In order to make a research on the software radio, this thesis focuses on key techniques for radio receiver including: DDC technology, the channelization model, modulation and demodulation algorithm.
首先介绍并比较分析超宽带信号的波形、调制方式和接收机信号处理方法，讨论了超宽带窄脉冲的产生方法。
Firstly, the waveforms of UWB signal and their modulation modes, signal processing of receiver are introduced and compared. The method for generation of UWB narrow pulse is reviewed.
为避免过量的传输失真，发射机与接收机之间的带宽至少要两倍于数字载波调制的带宽。
To avoid excessive transmission distortion, the bandwidth between transmitter and receiver must be at least twice that with digital carrier modulation.
讨论了卫星导航中BOC调制解调的原理和实现方法，并着重研究了接收机的码跟踪技术。
This paper discusses the theory and the realization approach of BOC modulation and demodulation in satellite navigation system, and focuses on the BOC code tracking technology.
自动调制方式识别应用范围广泛，对于军用软件无线电侦察接收机更具有十分重要的意义。
Automatic identification of the modulation type of a signal has found applications in many areas, especially important for military software radio interception receiver.
OQPS K调制器的不均衡以及放大器的非线性对接收机的性能具有非常大影响。
The OQPSK modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.
调制器的不均衡以及放大器的非线性对接收机的性能具有非常大的影响。
The modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.
为了实现GMSK信号解调，接收机中dsp实现了调制信号的误差频谱估计、位同步恢复及译码。
To demodulate GMSK signal, DSP is used in receiver to achieve error spectrum estimation, bit synchronization recovery and decode.
实现用SDRAM运行nios，同时用SRAM保存摄像头数据，基于多相结构的信道化接收机，随机调制信号下的模拟ppm。
Implemented with SDRAM run nios, while saving camera data SRAM, Channelized receiver based on multi-phase structure, Random PPM modulated analog signal unde.
在分析AWGN信道特性的基础上，通过研究典型调制方式下的超宽带冲激无线电信号(IR -UWB)的接收机结构，找到了一种IR - UWB最佳接收机。
The structure of receiver in typical modulation Impulse Radio Ultra Wide Band (IR-UWB) is discussed, and the best IR-UWB receiver on AWGN cannels is given.
通过对载波脉冲信号作频谱分析和载波接收机接收载波脉冲信号的试验，提出了选取调制脉冲宽度范围的建议。
Through the spectrum analysis of carrier pulse signals and the test results of carrier receivers, the author proposes further a method for selecting the…
通过对载波脉冲信号作频谱分析和载波接收机接收载波脉冲信号的试验，提出了选取调制脉冲宽度范围的建议。
Through the spectrum analysis of carrier pulse signals and the test results of carrier receivers, the author proposes further a method…
在介绍一种基于TH - PPM调制方式的超宽带通信系统的基础上，深入讨论了一种并行检测接收机方案并分析了其工作原理。
On the basis of an introduction of TH-PPM UWB communication system, this paper advances a parallel detection receiver scheme.
对于减少基于残留边带调制(VSB)的数字电视(DTV)接收机的符号间干扰(ISI)，判决反馈均衡器(DFE)是一种简单而有效的方案。
Decision feedback equalizer (DFE) is an efficient and low-cost scheme for suppressing intersymbol interference (isi) in vestigial sideband (VSB) based digital TV (DTV) receivers.
尤其对用数字方法恢复单一载波调制格式中的光相位和偏振的接收机端的先进算法进行了详细的讨论和分析。
The principle of several digital phase and polarization tracking algorithms recently proposed and demonstrated for future spectrally-efficient optical transmission system are discussed in detail.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成，另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成，另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
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