1) lower band
低频带下限
2) lower limit
下限;低限
3) low limit
下限，下限值;低限
4) lower frequency limit
频率下限
1.
In view of the possible problem of frequency conversion adjustment air compressor air valve working condition, this article carries on the mathematical analysis and the simulation to air valve when low frequency working,the lower frequency limit causes the compressor air valve normal work and does not have the detention closure had been determined.
针对应用变频调节的空压机气阀工作状况可能产生的问题,对空压机在低频运行时的气阀进行工作特性的数学分析与模拟,确定了使压缩机气阀正常工作及不发生延迟关闭的频率下限,对变频调节压缩机频率范围选择有一定参考作用。
2.
The lower frequency limit was determined when the compressor air valve works normally and does not presents delay closure.
对空气压缩机在低频运行时气阀工作特性进行了数学分析与模拟,确定了使压缩机气阀正常工作及不发生延迟关闭的频率下限,可供变频调节压缩机选择频率范围作参考。
5) low limit frequency
下限频率
1.
The methods for calculating low limit frequency and coupling capacitance are discussed in detail.
详细讨论了下限频率和耦合电容的计算方法。
6) low frequency sub-band
低频子带
1.
Choosing proper orthogonal wavelet function,the low frequency sub-band was enhanced obviously and the high frequency sub-band was restrained moderately to realize image enhancing via the modulation of information entropy window.
采用信息熵窗小波低频子带分析的方法,目的是对缺乏足够能量的低照度和低对比度图像进行增强。
2.
By analysis on coefficient characteristic after discrete wavelet transform,multiple description coding method based on discrete wavelet transform is proposed,the method generates multiple description bit-stream by restructuring and assigning wavelet coefficients of low frequency sub-band after discrete wavelet transform.
在分析离散小波变换后系数特性的基础上,提出了一种基于离散小波变换的多描述编码方法,它通过将离散小波变换后的低频子带的小波系数进行重组赋值产生多描述码流。
补充资料：下限
下限
lower limit
下限(lower limit)在测定差别闽限时，刚刚感觉到小于标准刺激的刺激强度，其操作定义为5()%次感觉小于标准刺激和50%次感觉等于标准刺激的刺激强度。例如用最小变化法的递增法测定差别闽限时，最后一次感觉小于标准刺激和最初一次感觉等于标准刺激的刺激强度的平均数，就是这次测量的下限。 (金志成撰林仲肾审)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条