The effect of quantification noise, saturation noise and bit error noise of synthetic aperture radar(SAR)raw data on the signal to noise ratio of distributed targets is analyzed.
定量分析了星载合成孔径雷达(SAR)原始回波信号的量化噪声、饱和噪声以及误码噪声对面目标信噪比的影响;
This paper analyses half hybrid noise of the circulant pre-coding matrix, then proposes full hybrid noise pre-coding matrix and discusses its bit error rate.
本文首先对循环预编码矩阵带来的噪声半混合进行了分析,并进一步提出了噪声全混合的预编码矩阵,分析了其误码率。
The effect of each correction bit trial is to allow the ADC to reduce the DAC error if a large noise event (of either sign) has caused a wrong decision to be made on a previous bit trial.
每个校正位试验的作用是如果(具有任何符号的)大噪声事件已对在前位试验做出了错误的判定,则使得ADC减少DAC误差。
This letter mainly deals with the base of adaptive modulating technique: Channel estimation technology and the signal to noise ratio vs. error bit rate performance of MQAM.
本文主要研究自适应调制技术的基础:信道估计技术、MQAM信噪比误比特率性能。
The simulation results also show that the method can get better balance between bit error rate and code length, and the image can get better anti-noise property.
仿真结果也表明,这种方法能在比特误码率和码长之间取得一个较好的平衡,而且,编码图像能得到很好的抗噪声性能。
By analyzing the bit error rate, the results show that the major factor causing quantum bit errors is quantum noise.
对误比特率分析的结果表明,量子噪声是引起比特错误的主要因素。
The transmission quality of DWDM system is affected by the damages from linear and nonlinear effects so the ratio of optical signal to noise is reduced and the bit error rate is increased.
DWDM系统的传输质量受到线性和非线性两类效应引起的损害影响,导致光信号噪声比下降,误码率增大。
Through the computer model curve, we may clearly obtain the corresponding signal to noise ratio the bit error rate value.
通过计算机的模拟曲线,可以清楚得出对应信噪比的比特误码率值。
The results show that while introducing smart antenna technology in wireless telemetry systems, it can efficiently raise signal-to-noise ratio and improve bit error rate performance of the system.
结果表明,在无线遥测系统中采用智能天线技术,能够有效地提高系统的信噪比,改善系统的误码性能。
In Gaussian noise channel and power line channel, this emulational system calculate out relationship between bit error rates and signal to noise ratios.
以高斯噪声信道和电力线信道为例,用本仿真系统分别计算出了无差错控制编码和有差错控制编码情况下误码率与信噪比的关系。
Simulation results show that the technique can provide better image signal-to-noise rate performance over different bit error rates wireless channels.
在不同误码率的无线信道中的传输实验表明,此方案提供了更好的图像信噪比性能。
Studies also show that the method can get better balance between bit error rate and code length, and the image can get better anti-noise property.
实验结果表明,本文的方法在高噪声信道中可以达到较好的抗噪性能,保证了重建图像的质量。
The bit error probability is estimated by the minimum average Euclidean distance. Through simulation, it is shown that the estimation is usually very accurate at high signal-to-noise ratio.
采用平均最小自由欧氏距离估计误比特率,得到误比特率的封闭式表示,通过计算机模拟,在高信噪比情况下,这种估计方法与实际情况非常接近。
The test data of bit error rate and signal-to-noise ratio show that the performance of the receiver terminal is available, which guarantees the accuracy of the data after the forward error correction.
从比特误码率、信噪比等测试结果数据分析可知,接收终端的性能合格,经过前向纠错后可以保证用户数据的准确性。
We simulated the system in the Additive Gaussian White Noise (AGWN) channel, proved the superiority of this system, and used the convolutional codes to reduce the bit error rate further.
通过在加性高斯白噪声(AGWN)信道中的模拟仿真,其结果说明了此系统的优越性,并通过卷积编码,进一步降低了系统的误码率。
The process-gains of the general receivers of DS/SS can't satisfy a low bit-error-rate if the signal-noise-ratio of input signal is very low.
在输入信噪比极低的直序扩频系统中,常规的接收机获得的处理增益难以满足系统低误码率的要求。
The performance of the system is evaluated when considering the effects of both multi user interference and photo detector shot noise. An upper bound on the bit error rate is derived.
在系统中存在多用户干扰及接收机散粒噪声的情况下,推导出该系统误码率上限,并对该系统特性与无光硬件限幅器的光PPM- CDMA通信系统特性作了比较。
The performance of the system is evaluated when considering the effects of both multi user interference and photo detector shot noise. An upper bound on the bit error rate is derived.
在系统中存在多用户干扰及接收机散粒噪声的情况下,推导出该系统误码率上限,并对该系统特性与无光硬件限幅器的光PPM- CDMA通信系统特性作了比较。
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