-
公开(公告)号：US5291285A
公开(公告)日：1994-03-01
申请号：US890135
申请日：1992-05-29
申请人： Itoshi Yokoyama , Masaaki Nagai , Kakuya Saito
发明人： Itoshi Yokoyama , Masaaki Nagai , Kakuya Saito
CPC分类号： H04N17/00
摘要： A television signal level meter is provided which is capable of simultaneously displaying levels for a multitude of television channels in a scale having a variable dynamic range. The television meter includes a level image forming means for displaying signal levels of a multitude of channels, a scale forming means for forming a scale suitable for simultaneously displaying the signal levels of the channels, and an image forming means for displaying channel numbers associated with the channels.
摘要翻译： 提供一种电视信号电平计，其能够以具有可变动态范围的量表同时显示多个电视频道的电平。 电视表包括用于显示多个频道的信号电平的电平图像形成装置，用于形成适于同时显示频道的信号电平的标度的标尺形成装置，以及用于显示与频道相关联的频道号的图像形成装置 频道
-
公开(公告)号：US5450623A
公开(公告)日：1995-09-12
申请号：US122281
申请日：1993-09-17
申请人： Itoshi Yokoyama , Masaaki Nagai , Kenichi Ishida , Kakuya Saito
发明人： Itoshi Yokoyama , Masaaki Nagai , Kenichi Ishida , Kakuya Saito
CPC分类号： H04B17/20
摘要： A measuring apparatus is provided which is capable of measuring CN ratio. The measuring apparatus has a measuring band specifying unit for specifying a band under measurement; a display for displaying the spectrum of levels measured in the specified band; first and second noise measuring frequency specifying units; a transmission channel selector; and a CN ratio calculating unit for estimating a noise level at a carrier of a selected transmission channel and for calculating the CN ratio using the estimated level.
摘要翻译： 提供能够测量CN比的测量装置。 测量装置具有用于指定测量带的测量带指定单元; 用于显示在指定频带中测量的频谱的显示; 第一和第二噪声测量频率指定单元; 传输信道选择器; CN比率计算单元，用于估计所选择的传输信道的载波处的噪声电平，并使用估计电平计算CN比。
-
公开(公告)号：US5897608A
公开(公告)日：1999-04-27
申请号：US863292
申请日：1997-05-27
CPC分类号： G01R1/44 , H04N17/00 , G01R31/2839 , Y10S348/909
摘要： A compensating method and apparatus is provided which collectively compensates for variations in a variety of characteristics in respective circuit portions of a signal processing circuit. A correction data generator is provided for generating correction value data for correction to be made for an output signal of the signal processing circuit, in order to compensate for variations in the characteristics of the at least one circuit portion. Also, a compensator is connected to receive an output signal from the signal processing circuit as well as to receive the correction value data from the correction data generating means, for correcting the output signal in accordance with the respective correction value data corresponding to the at least one circuit portion to generate a compensated output signal.
摘要翻译： 提供了一种补偿方法和装置，其一起补偿信号处理电路的各个电路部分中的各种特性的变化。 为了补偿至少一个电路部分的特性的变化，提供校正数据发生器，用于产生用于对信号处理电路的输出信号进行校正的校正值数据。 此外，补偿器被连接以从信号处理电路接收输出信号，以及从校正数据产生装置接收校正值数据，用于根据与至少对应的各个校正值数据校正输出信号 一个电路部分，用于产生经补偿的输出信号。
-
-
搜索结果
3 条记录 (耗时 0.009 秒)