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different snr
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  不同信噪比
     The demodulation BERs under different SNR conditions are simulated with Matlab 6.5.Theoretical analysis and simulative results show that the BER is exponential times of frequency differential.
     使用Matlab6.5仿真了数字方案解调在不同信噪比下的误比特率,理论分析与仿真实验结果表明:误比特率随着频率偏差的增加呈指数增加。
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     Based on the literature [1], the paper further presented the block diagrams of the ST-FSK transmitter and receiver, and for the different SNR it discussed the performance of ST-FSK noncoherent ML detector in the presence of different carrier frequency offset.
     在文献[1]的基础上,本文进一步给出了ST-FSK的发送机和接收机框图,讨论了在不同信噪比下不同载波频偏对ST-FSK非相干ML检测器的性能影响。
     Simulations showed that the pitch extracting results of the LP-CEP are superior to that of the conventional cepstrum algorithm both for different speeches and in different SNR of a speech.
     仿真研究结果表明,该算法相对于传统倒谱基音检测算法(CEP法) ,无论是对不同的干净语音还是对不同信噪比的含噪语音,其基音检测结果都有明显的改善。
短句来源
     For AM, ASK, FSK, BPSK, QPSK and MSK, the recognition algorithm is researched and the flow is given. , in which included single signal's recognition and two signals' recognition. The program simulates the recognition correctness under different SNR.
     针对AM、ASK、FSK、BPSK、QPSK和MSK六种具体的信号,进行信号调制模式的识别的算法研究,给出了具体的识别算法和流程,包括对单一信号的自动识别以及存在AM或QPSK信号的两种信号的自动识别,并在不同信噪比下进行了识别准确率的仿真。
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     Performances of these algorithms under different SNR conditions and effect of particle number are analyzed.
     通过仿真分析了各个算法在不同信噪比下的跟踪性能与检测性能,以及它们受粒子数影响的程度。
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  “different snr”译为未确定词的双语例句
     The result shows that the comparatively accurate speech endpoints can be detected by the above method in different SNR environments.
     通过对3种典型噪声环境下信噪比从-5 dB到20 dB的带噪语音信号进行的仿真实验结果表明,所提方法能更为准确地检测到语音端点。
短句来源
     Simulations showed that the pitch extracting results of the improved method are superior to that of the conventional AMDF and LV-AMDF both for different speeches (man and woman speech) and in different SNR of a speech.
     实验结果证明:无论是对不同的语音(男、女音),还是在不同的信噪比情况下,其检测结果都优于传统的AMDF法和LV-AMDF法。
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     The algorithm performance is shown by analysis and simulation using MAILAB in the condition of different SNR, different maximum Doppler frequency shift and different normalized sampling rate.
     以上算法的性能均运用MATLAB在不同SNR,不同最大多普勒频移,不同的归一化采样率的情况下进行仿真,并通过性能曲线来证明此算法的有效性。
短句来源
     The experimental results showed that wavelet transform can effectively eliminate different noise under different SNR.
     实验结果表明,小波变换能够有效的在各种噪声类型和信噪比条件下去除噪声。
短句来源
     Under different SNR, compare these two ways and the traditional detection method-match filter detector.
     在不同的信噪比,比较传统的方法与基于时频分析方法的检测性能。
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  相似匹配句对
     The different O.
     不同的O.
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     In addition, the separation performance under different SNR is discussed.
     文章中进一步研究了水声信号在不同信噪比条件下,基于两个频点盲源分离方法 的分离性能。
短句来源
     China is different.
     中国则不然。
短句来源
     So the effects of additive and multiplicative noise on the output SNR are different.
     因此,加性噪声和乘性噪声对输出信噪比的影响是不同的.
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  different snr
We plot the entire boundary by repeating this procedure with different SNr firing rates.
      
With different designs, we are able to achieve different SNR ratios for various audio applications.
      
We simulated 5 different SNR scenarios, adding up to 50 minutes total simulated time.
      
The parameter vector was chosen in the direction of a high-variance measurement, and its magnitude was varied to obtain different SNR values.
      
The focus is on different SNR levels and different Doppler spreads.
      
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The identification of modal parameters by using time series analysis istudied in this paper. The principle of identification of modal parameters byARMA and ARMAV models is introduced, the abilities identifying modalparameters in seperate modes, different SNR, high damping, close modes byusing simulated experiments are checked, the conclusion is that the ARMAVmodel is an efficient method identifying modal parameters.

本文对时间序列分析方法识别模态参数进行了研究。重点介绍了ARMA和ARMAV模型识别模态参数的原理,并用大量模拟实验检验了两种模型在分离模态、不同信噪比、大阻尼、密集模态等复杂情况下识别模态参数的能力,从结果可以看出ARMAV模型是一种有效的识别方法。

The algorithm of the Improved Multi Band Excitation (IMBE) vocoder is thoroughly studied, designed and implemented including software implementation on PC/DOS, SUN/UNIX workstation system and hardware real time implementation on TMS320C31 DSP. In order to explore the performance of IMBE vocoder in GSM environment, a GSM radio interface software simulation platform is built and a series of tests are run on four languages (Chinese, English, German, Swedish) and different channel models (urban, hilly and...

The algorithm of the Improved Multi Band Excitation (IMBE) vocoder is thoroughly studied, designed and implemented including software implementation on PC/DOS, SUN/UNIX workstation system and hardware real time implementation on TMS320C31 DSP. In order to explore the performance of IMBE vocoder in GSM environment, a GSM radio interface software simulation platform is built and a series of tests are run on four languages (Chinese, English, German, Swedish) and different channel models (urban, hilly and rural areas) with different SNR. Finally simulation result is analyzed which is useful for the performance analysis of IMBE and the application of vocoders with bit rate of 4kbps order in GSM environment.

SoftwareSimulationinGSMEnvironmentandHardwareImplementationofImprovedMultibandExcitationVocoderKuangJingmingLiFengLiuBotao(E...

In this paper, we use Cross-correlation algorithm in solving the problem of parameters estimationof moving target. This paper analyzes the Cross-correlation algorithm. The scheme of this algorithm is given outas well. By adopting the concept of adaptive filter, this paper puts forwards a new algorithm for parameters estimation in time domain. By simulation, we give out the estimation results in the condition of different SNR (SignalNoise Ratio) and different velocities. And the two algorithms are...

In this paper, we use Cross-correlation algorithm in solving the problem of parameters estimationof moving target. This paper analyzes the Cross-correlation algorithm. The scheme of this algorithm is given outas well. By adopting the concept of adaptive filter, this paper puts forwards a new algorithm for parameters estimation in time domain. By simulation, we give out the estimation results in the condition of different SNR (SignalNoise Ratio) and different velocities. And the two algorithms are compared. Some useful conclusions are obttainedin the paper.

本文针对合成孔径雷达运动目标的运动参数估计问题,将方位向频谱相关法用于运动目标的参数估计,本文详细探讨了频谱相关法,给出了相应的框图,在此基础上,利用自适应滤波的概念,引入了时域估计的方法,将两者在计算量进行了比较,并采用在原始数据中注入运动目标的方法,通过计算机模拟,给出了不同信噪比和不同运动速度下的参数估计曲线,将两方法进行了比较,得出了一些有参考意义的结论。

 
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