相关接收机
- correlation receiver
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提出一种应用于脉冲超宽带相关接收机的新型门控积分方法,它利用简单的线性时不变系统实现带清除的积分。
In this paper a novel gated integrating method for IR-UWB correlation receiver is proposed , which uses linear time-invariant system to approximate integrator with discharging .
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证明当混响、介质传播和目标散射过程的散射函数为对称函数时,相关接收机的最佳参考波形和最佳检测波形相同,最佳检测波形为一非线性齐次积分方程的解。
It is proved that the optimum signal is the solution of a homogeneous nonlinear integral equation and the optimum reference function of the correlation receiver is the same as this signal , if the target and the medium scattering functions and the reverberation distribution are symmetric .
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自适应式自动均衡器判决反馈平均的UWB自相关接收机
Adaptive automatic equalizer UWB Autocorrelation Receiver Based on Decision Feedback Average
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第四章分析了FIR空时解相关接收机存在的充分条件,并且利用几种不同的最优准则,研究了最优FIR空时解相关接收机的设计。
In Chapter Four , sufficient conditions for existence of FIR space-time decorrelating receivers are analyzed and the optimal designs are studied with different optimal criteria .
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借鉴传输参考信号的思想,将其扩展到一组多个信号,提出一种新型超宽带(UWB)差分相关接收机。
By extending the idea of transmitted ~ - reference to multiple signals in a frame , this paper presents a new Ultra-Wideband ( UWB ) differential correlation receiver .
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本文根据广义最大似然比(GLRT)优化准则,提出一种基于BCM方案的新型UWB自相关接收机。
Based on the generalized likelihood ratio test ( GLRT ) optimality criterion , we propose a novel UWB non-coherent autocorrelation receiver combined with BCM scheme .
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基于超宽带(UWB)通信在多个比特数据传输中信道基本不变的特点,提出一种平均传输参考型UWB相关接收机。
By considering the feature that the channel is basically unvaried during the course of transmitting many bits data in ultrawideband ( UWB ) communications , a novel UWB correlation receiver of the average transmitted-reference type was presented .
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平均发射参考(ATR)调制技术和前向纠错(FEC)编码技术都能通过增加冗余信号改善超宽带(UWB)自相关接收机的检测性能。
Both averaged transmitted-reference ( ATR ) modulation technique and forward error correction ( FEC ) coding technique can improve the performance of Ultra-wideband ( UWB ) autocorrelation receiver by adding some redundant signals .
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理论性能分析和UWB室内多径信道仿真表明:该接收机的检测性能优于传统的自相关接收机,尤其是在0~4m近距离时,而且结构复杂度较低,便于实现。
This receiver was analyzed in theory and simulated in the indoor UWB multipath channels . The results show that its performance is better than traditional autocorrelation receiver , especially at 0-4m distance . It also has low complexity and easy to realize .
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理论分析和IEEE多径信道模型的仿真表明:该接收机的比特误码率明显优于传统自相关接收机,在10-2误码率时约有2dB的信噪比增益。
The theoretical analysis and simulation of the IEEE multipath channel models show that BER performance of the receiver is obviously superior to the conventional autocorrelation receivers and has about 2 dB signal-to-noise ratio gain at 10 ~ ( - 2 ) BER .
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光码分多址系统中光学相关接收机判决阈值的分析
Analysis of decision threshold for optical correlation receivers in OCDMA system
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用于双天线干涉实验的数字相关接收机
A Prototype Digital Correlation Receiver for Two-element Interferometer Experiment
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新颖的平均传输参考型超宽带相关接收机的研究
Research on Novel Ultra - Wideband Correlation Receiver of Averaged Transmitted - Reference Type
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一种数字相关接收机的相关损失
The correlating loss of a digital receiver
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在正交正弦相关接收机基础上提出了一种准自适应频率同步方法。
A quasi-adaptive frequency synchronous mechanism based on an orthogonal sinusoidal correlation receiver is proposed .
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本文对传统自相关接收机进行改进,使之无需任何假设,更符合实际情况。
While this thesis improves on the traditional AcR to make it fit the real instance without any assumptions .
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影响自相关接收机性能的主要因素,是接收参考信号中包含的噪声。
The main factor , affecting the performance of the AcR , is the noise contained in the received reference signals .
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在宽带自相关接收机中,自混频后的信号为正弦信号,本文提出了一种综合算法估计正弦信号的频率。
In wideband auto-correlation receiver , signal after self-mixing is sine signal . A synthetic algorithm is proposed for sine signal frequency estimation .
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为了评估相关接收机的性能,对设计脉冲信号的自相关和互相关函数的闭合表达式进行了推导;
Closed form expressions of auto-and cross-correlation functions of the novel pulses are also given , which are used to evaluate the performance of the correlator receiver .
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表明该种接收机误码性能不仅与信噪比有关,而且与噪声输入带宽和积分时间有关,其特性可类推到其他类型的自相关接收机。
The result shows that the receiver performance of BER is relevant to not only signal-to-noise ratio , but also input noise bandwidth and integration time . The characteristics can be applied to other kind of autocorrelation receivers .
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对于采用本地相关检测接收机结构的系统,分析了超宽带系统参数对抗干扰性能的影响,提出了增强超宽带信号抗干扰能力的系统参数选择方法。
For the modulation scheme with local correlation receiver , we analyze the system parameters impact to anti-jamming performance of UWB system . And we propose the method of system parameters selection to improve the anti-jamming performance .
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结合卫星相关技术和接收机相关技术介绍了卫星和接收机技术的发展趋势。
The trend of development of navigation satellite and receiver are brought forward combined with their interrelated techniques .
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相关器是GPS接收机的最核心部分,决定着GPS接收机的性能。
Correlator is the core part of the GPS and it determines the performance of GPS reciever .
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DS-CDMA中基于MMSE相关器的RAKE接收机
MMSE Correlator Based RAKE Receiver for DS-CDMA
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本振相位噪声对相关式毫米波接收机性能的影响
Local Oscillator Phase Noise and its effect on Correlation Millimeter Wave Receiver Performance
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首先介绍了宽带相关成像的理论基础,分析了宽带相关接收机的输出与小波变换在形式上的相似性,给出了基于交互小波变换的宽带相关成像方法。
The fundamentals of wideband correlation imaging are discussed . The form similarity between the output of wideband correlation and wavelet transform is analyzed and the wideband correlation imaging based on cross wavelet .