spectral band

Results show the imaging quality is near the diffraction-limitation in visible spectrum and arrived in infrared spectrum. So the off-axis three-mirror reflective is able to work in the multi-band from the visible spectral region to infrared range.

从评价结果来看，在可见光波段，像质接近衍射极限，在红外波段成像质量基本达到了衍射极限，充分说明了离轴三反射光学系统具备从可见光到红外多波段工作的能力。

Total radiation instruments employ some broad spectral band sensors.

全辐射仪器要使用某些宽频带传感器.

This article analyzes the influence of band spectral response function and band width to land surface temperature inversion.

分析了波谱响应函数和波宽对红外数据反演地表温度的影响。

Conventional optical remote sensing is lowed in band and spectral resolution, having much error for large area of soil moisture monitoring.

常规光学遥感监测方法因波段少、光谱分辨率低，对大区域土壤水分监测误差较大。

Study of Novel Active Confocal LLL Night-time Vision System with Broad Spectral Band

新型主动式宽光谱共焦微光夜视系统的研究

A speech enhancement method based on iterative multi-band spectral subtraction algorithm

一种基于迭代多带谱相减的语音增强方法

Firstly, this method performs multi-band spectral subtraction, and then based on the acoustical masking characteristics of human auditory system a processing of weight to feeling is brought to bear upon the subtracted signals.

该方法首先对带噪语音进行多带谱相减，然后根据人的听觉掩蔽特性，对多带谱相减后的信号进行感觉加权，以便进一步降低背景噪声。

Examples of the analysis applied to some typical cases have been illustrated and the emission spectral band broadening originated from junction temperature variation during pulse operation is briefly discussed.

文中利用所得结果结合实例进行了讨论，并讨论了脉冲工作情况由于结温变化所导致的发射频谱展宽效应。

Spectral band replication ( SBR) is a novel technology, which significantly improves the compression efficiency of perceptual audio codecs. SBR has been chosen as Band Extension for MPEG-4 Version 3 audio standardization and now enjoys many applications.

频谱恢复（SBR）压缩技术能够极大地提高感知音频编码器的压缩效率，并且已成为MPEG-4version3的音频频谱扩展标准，在许多场合得到了应用。

These cyclical patterns reflect the thickness variations of preserved depositional cycles, which means the spectral band shifts gradually toward low frequency direction along upward of a borehole, which reflects a thickening upward succession, which means upward net depositional rate increase.

它们的旋回模式反映了被保存沉积旋回的厚度变化，即沿井眼向上方向能谱带逐渐向低频方向转移，反映一个向上变厚的序列，即向上净沉积速率增加；

We employ spectral difference method to reduce the disturbance of noise, and combine subband with full band at probability layer.

先用频谱差分减少噪声的干扰，再将多子带特征识别概率与全带特征识别概率相结合进行综合判决，以得到最终识别结果。

The selection of an optimal spectral working band in television camera systems on board

机载电视摄象系统中最佳光谱工作的选择