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4.Microwavesareelectromagneticwaveswithwavelengthslongerthanthoseofgigahertz(gHz)frequencies,butrelativelyshortforradiowaves.
Not “gigahertz (gHz)” is the “terahertz”
5.Inanyradiosystem,theallocatedbandwidthisalwayslimited.
6.Withtheincreasinguseofcomputerstheusageandneedofdigitalsignalprocessinghasincreased.
7.Duringacall,otherusercanusethesamefrequencyband.
During a call, no other user can use the same frequency band.
8.ThemainapplicationsofDSPareaudiosignalprocessing,audiocompression,digitalimageprocessing,videocompression,speechprocessing,speechrecognition,digitalcommunications,radar,sonar,seismology,andbiomedicine.
9.Digitalsignalprocessing(DSP)isthestudyofsignalsinadigitalrepresentationandtheprocessingmethodsofthesesignals.
10.Imagesaretwo-dimensional[dɪˈmɛnʃənl]signalsrepresentingspatialdistributionofsomephysicalparameters,typicallylightintensity,andmoregenerallyanyformofenergy.
“电大学员可分为专科学员、本科学员和有优秀学员。”这一命题所犯的逻辑错误是()
下列各组概念依据箭头所指示的推演关系,属于正确限制的是()
下列各组概念不属于全同关系的是()
在“青年人是祖国的希望”和“青年人是应当努力学习的”这两个判断中“青年人”是()
“地球以赤道为界分为南半球和北半球。”这一划分所犯的逻辑错误是()
“昨天,小李去图书馆借了三本书籍。”所犯的逻辑错误是()
“反革命就是反对革命”这一定义所犯的逻辑错误是()
“学员可分为高年级学员,优秀学员金和低年级学员”这一划分所犯的逻辑错误是()
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