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信道输出
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  channel output
     (2) In respect of slotted-ALOHA with retransmission, we prove that the return point of the channel output figure is the best working point of the channel, and the success ratio at this position is 0.368, then give the methods for detecting success ratio by station.
     (2)对有重发的slotted-ALOHA方式,我们证明了接入信道输出曲线的转折点,就是信道的最佳工作点,该点的随机接入成功率为0.368,并给出了基站检测接入成功率的方法,进而提出了基站调控的slotted-ALOHA随机接入方式。
短句来源
     Conventional blind equalization algorithms are based on high-order statistics or on the over-sampled channel output, but these algorithms couldn't be practically applied in time-varying environment.
     传统的盲均衡算法主要基于高阶统计量(HOS)法或信道输出过采样的二阶统计量 (SOS)算法,而这些算法不能实际应用于时变环境。
短句来源
     acquisition of the equivalent Eb/No data at the channel input; and BER evaluation by the directly error-counting approach and the computational approach at the channel output in simulation.
     在模拟中信道输入端等效的Eb/N0数据的获得以及在模拟中信道输出端BER的估值方法,包括直接误差计数法及计算法。
短句来源
     In this paper,we present a CES(Channel Estimation Standard )-type blind equalization algorithm based on the 3th- and 4th-order cumulants of the channel output.
     本文采用信道评估标准CES(ChannelEstimationStandard),基于信道输出信号的三、四阶累积量,构成了一种实现CES盲均衡的方法。
短句来源
     In the channel output,subspace decomposition is employed. If the signal subspace can be exclusively decided by the channel,the parameter of the channel can be estimated by a constant.
     在信道输出端进行子空间分解,如果信号子空间是由信道唯一决定的,那么信道参数可被唯一估计为一个常数。
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  “信道输出”译为未确定词的双语例句
     The loss nonuniformity is <0.5dB,the insertion loss <8dB,and the channel corsstalk to the neighbouring channels >13dB.The output frequency of the outer most channels has a deviation of 15GHz from the ITU grid.
     功率输出不均匀度<0 5dB,插入损耗<8dB,相邻通道的串扰>13dB,在距离中心频率最远的信道,输出频率偏离ITU标准15GHz.
短句来源
     The relation between the output and input Wigner-Ville spectrums of the channel is discussed and some examples for the specific channel are shown.
     文章还讨论了信道输出Wigner-Ville谱与输入Wigner-Ville谱和信道二维Wigner-Ville谱的关系,并以几种特殊信道为例作了说明。
短句来源
     The signals of 4F4T4PSK system are transmitted in the time-varying channels, and the output of the channels includes additive white noise and the sum of singals on several paths with different time delays, frequency shifts and arrival angles.
     4F4T4PSK系统在时变信道上传输信息,信道输出为加性噪声和多条具有不同时延、不同频移和不同到达角传播路径信号的总和。
短句来源
     The present paper reported the first research on SAW filter group with 20 channels. It features an input, center frequency 200MHz. transient bandwidth 100MHz, and an output with 20 channels.
     本文报道我们研制的一种20信道声表面波滤波器组,它有一个输入端,中心在200MHz中频,瞬时带宽100MHz,20个信道输出,每个信道带宽5MHz.
短句来源
     A New SIMO Model Based on Oversampling IIR Channels
     一种基于IIR信道输出过采样的SIMO模型
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  相似匹配句对
     output of the model.
     模型输出
短句来源
     Channel Characteristics;
     信道特性 ;
短句来源
     Radar channel
     雷达信道
短句来源
     Blind Zero-Forcing Equalization of IIR Channels Based on Oversampling
     基于输出过采样的IIR信道迫零盲均衡
短句来源
     A New SIMO Model Based on Oversampling IIR Channels
     一种基于IIR信道输出过采样的SIMO模型
短句来源
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  channel output
As a result of this consideration, the relationships for the mean gain and the probability distributions of the number of electrons at the channel output in the saturated and nonsaturated operating modes were obtained.
      
The relationships are in good agreement with the measured dependences of the gain on the power-supply voltage and the distributions of the number of electrons at the channel output.
      
A multi-look polarimetric whitening filtering (MPWF) method is presented and extended to form a fully polarimetric filter with multi-channel output.
      
Furthermore, we show that strong superadditivity would follow from multiplicativity of the maximal channel output purity for quantum filtering operations, when purity is measured by Schatten p-norms for p tending to 1.
      
Blind channel identification exploits the measurable channel output signal and
      
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The relation between three main factors (waveform, channel and receiver) of active sonar is discussed in this paper. The models of active sonar channel, which include marine reverberation, signal propagation and object scattering in sonar processes, are described, by generalized scattering function and generalized coherence function. Physical significance and measuring method of both function are explained with aid of channel output corralation function and matched filter output. Finally, the fundamental principles...

The relation between three main factors (waveform, channel and receiver) of active sonar is discussed in this paper. The models of active sonar channel, which include marine reverberation, signal propagation and object scattering in sonar processes, are described, by generalized scattering function and generalized coherence function. Physical significance and measuring method of both function are explained with aid of channel output corralation function and matched filter output. Finally, the fundamental principles for design of the optimum waveform and the optimum receiver are presented.

本文讨论了有源声呐设计中的三大要素(声呐波形、声呐信道和接收机)之间的相互关系,着重讨论有源声呐信道(包括混响、传播和目标散射过程的信息模型),提出用统一的推广散射函数和相干函数来描述,并通过对信道输出相关函数以及匹配滤波输出的分析指出这两个函数的物理意义和测量方法,最后还讨论声呐最佳波形和最佳接收机设计的基本原则。

In this paper, the ocean acoustic channel is taken as a time-variant channel, and the two-dimensional Wigner-Ville spectrum (TDWVS) of the time-variant channel is used to analyse the conjoint time-shift-frequency-dalay distrubution or the fading and spread statistical characteristics of the channel. The relation between the output and input Wigner-Ville spectrums of the channel is discussed and some examples for the specific channel are shown. Finally, applications on the detection using the WVS and TDWVS are...

In this paper, the ocean acoustic channel is taken as a time-variant channel, and the two-dimensional Wigner-Ville spectrum (TDWVS) of the time-variant channel is used to analyse the conjoint time-shift-frequency-dalay distrubution or the fading and spread statistical characteristics of the channel. The relation between the output and input Wigner-Ville spectrums of the channel is discussed and some examples for the specific channel are shown. Finally, applications on the detection using the WVS and TDWVS are given. The advantage is obvious, when the signal is a linear frequency-modulated signal.

本文将海洋声传输信道考虑为线性随机时变信道,提出时变信道的二维Wigner-Ville谱并直接用来分析信道由于多途和起伏效应引起的时频衰落和扩展的联合统计特性或信道的时间-频移-频率-延迟的联合分布特性。文章还讨论了信道输出Wigner-Ville谱与输入Wigner-Ville谱和信道二维Wigner-Ville谱的关系,并以几种特殊信道为例作了说明。最后还就信道二维WV谱在检测中的应用进行了讨论,指出用线性调频信号作为检测信号的特点。

The Gilbert-Elliot Markov digital channel model (GE model) is used for the channel model in digital mobile communication. The statistical characterization of burst error for this model is analyzed. The performance of the speech signal output under the condition of channel different average bit error rates p and the channel outputby the use different interleaving factors s with speech coding methods--the CCITTstandard PCM with the bit rate of 64kb/s and ADPCM with the rate of 32kb/s, are calculated. For a comparison,...

The Gilbert-Elliot Markov digital channel model (GE model) is used for the channel model in digital mobile communication. The statistical characterization of burst error for this model is analyzed. The performance of the speech signal output under the condition of channel different average bit error rates p and the channel outputby the use different interleaving factors s with speech coding methods--the CCITTstandard PCM with the bit rate of 64kb/s and ADPCM with the rate of 32kb/s, are calculated. For a comparison, the output performance of the Bernoulli model (BR model) with the statiatic independent error characterization under the condition of the above mentioned speech coding, is studied. The two channel model have similar SNR performance in their output speech signals with the above speech coding method under coditions of lower channel average bit error rates.

以Gilbert-Elliot数字信道模型(GE模型)作为数字移动通信信道模型,分析了该模型的突发误差(Burst Error)统计特性.用PCM及ADPCM编码方法,研究了在信道各种不同平均比特误差率p条件下的语音信号输出性能,以及使用不同交错(Intereaving)因子s条件下信道输出特性.同时还研究了产生统计独立误差的Bernoulli(BR模型)信道在上述语音编码条件下的输出特性.得出在较低信道平均比特误差率的条件下,两种信道模型有接近相同的输出信噪比。

 
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