We have mainly researched two FM signal demodulation techniques called Frequency Spectrum Separation and Phase Lock Loop in the first part.
一次解调中研究了频谱分离法和锁相法两种实现鉴频的技术。
Study is carried out on the separation of harmful solar spectrum in the solar collection system consisting of lens and light pipe.
本文针对以透镜为采光系统，导光管为传光系统的太阳能采光系统进行有害光谱分离的研究。
The effect and mechanism of BK501 depressor in the separation of diaspore from kaolinite by reverse flotation was investigated by flotation test, EDS, electrokinetic potential and infrared spectrum.
通过浮选试验，EDS、动电位和红外光谱测定，考察了BK 501抑制剂在一水硬铝石与高岭石反浮选分离中的作用效果和机理。
The derivative spectrum of saccharin sodium, benzoic acid and sorbic acid were seriously overlapping, so they can not be determined individually by spectrophotometry without prior separation.
糖精钠、苯甲酸和山梨酸的导数光谱彼此严重重叠，未经分离无法作单一成分分析。
By gas chromatography, infrared spectrum and GC - MS quantitative and qualitative analysis, cyclopentanol was con firmed as the purposive product and it was more than 99% in content after separation.
对产物进行气相色谱、红外光谱、GC-MS定性定量分析，确认目的产物为环戊醇，经分离目的产物环戊醇含量大于99%。
The experimental results show that this algorithm can deal with the spectrum with undulating background noise, and get more accurate separation result than the traditional method.
实验结果证明，该算法能够较好地处理背景噪声起伏不平的频谱，分离结果与传统方法相比有较大的改善。
The changes of crystal absorption spectrum and coloring were analyzed, and the correlative parameters such as separation coefficient, concentration and absorption cross section were calculated.
分析了晶体真空退火前后的吸收光谱和着色等变化，并根据吸收系数变化计算了晶体分凝系数、浓度和吸收截面等参数。
The changes of crystal absorption spectrum and coloring were analyzed, and the correlative parameters such as separation coefficient, concentration and absorption cross section were calculated.
分析了晶体真空退火前后的吸收光谱和着色等变化，并根据吸收系数变化计算了晶体分凝系数、浓度和吸收截面等参数。
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