The resulting limit, given in units of bits per second, is the absolute maximum rate of error-free communication given signal strength and noise level.
在给定信号强度和噪声水平的情况下，以比特每秒为单位给出的最终限制是无差错通信的最大绝对速率。
Experiment results show that in low bit rate environment, the new image compression scheme performs better than JPEG in the aspects of perception and PSNR (Peak Signal Noise Ratio).
实验结果表明该算法在低码率下，相比jpeg，获得了在视觉效果和峰值信噪比方面更好的恢复图像质量。
Signal sampling system of video communication over network usually has a low sampling rate suffering from the limited bandwidth, so aliasing noise is big problem.
受传输带宽限制，网络视频采集系统的采样率低，欠采样噪声严重。
The simulation results showed that the proposed method exhibited better signal to interference plus noise rate and beamforming performances.
模拟表明新方法具有更高的信号干扰噪声比及更强的波束形成与旁瓣抑制能力。
In static X ray sequence images, the inter frame filtering is the one of the best techniques of suppressing noise and improving signal to noise rate.
对于静态X光图像序列，帧间滤波技术是抑制噪声、提高信噪比最为有效的方法之一。
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。
Error multiplication caused by channel noise in eletric transmission system can be demmonstrated by signal to noise ratio between error rate function curve.
误码率与归一化信噪化的函数曲线、可以表征在介质传输系统中，线路噪声所引起的误码增值。
The spread spectrum (SS) signal is modulated by high-rate pseudo noise code, and belongs to typically periodic signal.
被高速伪随机码调制的扩频信号，其伪随机码是具有随机编码信号特征的周期信号。
On the design of classifier, by introducing support vector machine, Chinese tone recognition rate is improved under low signal noise rate conditions.
在分类器设计方面，通过引入支持矢量机，进一步提高低信噪比下的汉语声调识别率。
In a three dimensional X ray coded imaging system, it is effective method to reduce the reduplicate noise of a certain layer image for enhancing the signal noise rate.
x射线编码三维成像系统中，减少观察层上的重叠噪声是提高图像信噪比的有效方法。
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。
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。
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 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。
The spreading signal is a pseudo-noise code sequence that has a chip rate which is orders of magnitudes grater than the data rate of the message.
扩频信号是一个伪随机代码序列，此码片速率比消息数据速率高若干数量级。
Numerical experiments show that our new method can significantly improve the signal-to-noise rate while depressing Pseudo-Gibbs phenomena.
试验表明，本文方法与传统的阈值去噪方法相比在抑制震荡的同时能显著地提高信噪比。
On the same time, we employ digital correlation technique to improve signal-to-noise rate, and get satisfied results.
同时采用数字相关技术提高信噪比，得到了较满意的结果。
In the receiving system, the narrow-band interference filter is introduced in order to reduce the background light, increase the signal transmission rate, and improve the signal-to-noise ratio.
在接收系统中，引进窄带干涉滤光片，减少背景光的干扰，增加信号光透射率，改善信噪比。
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。
Therefore, using this technique in active image sequence, the satisfied results of suppressing noise and improving signal-to-noise rate can be obtained and the blur degree of moving...
对于活动红外图像序列，该技术能够有效地抑制噪声、提高信噪比，也能够降低运动目标的模糊程度。
With the method of over sampling and averaging, the resolution and signal noise rate(SNR)can be raised without extra ADC.
但采用过采样求均值的方法，既可以不采用片外ADC，又能提高ADC测量的分辨率和信噪比，很好地控制了产品成本，又提高了产品的性能。
In the same transmission system, in order to get the same error rate, the coding rate is higher the needed rate of signal to noise is higher.
并且在同一个传输系统中为了得到相同的误码率，码率越高则需要的信噪比就越大。
A vector sensor consists of pressure sensor and particle velocity sensor. Vector array has more advantages in the gain of signal-to-noise rate.
矢量传感器由声压传感器和振速传感器同心复合而成，由它而构成的矢量阵在信噪比增益上体现了更大的优越性。
Besides, in order to evaluate the performance of the OCT system, the relationship between signal noise ratio and image capture rate is studied deeply.
另外，为了更好地评价OCT系统的性能，深入研究了系统信噪比和图像获取速度之间的关系。
Temporal focus can depress the multipath effect and improve the signal noise rate (SNR) of the system.
时间聚焦可以提高通信系统的信噪比、克服复杂环境的多径衰落。
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 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。
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