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    • 1. 发明专利
    • Wave observing apparatus
    • 波形观察装置
    • JP2005156192A
    • 2005-06-16
    • JP2003391310
    • 2003-11-20
    • Japan Radio Co Ltd日本無線株式会社
    • HAKODA YUSAKU
    • G01S13/95
    • Y02A90/18
    • PROBLEM TO BE SOLVED: To display the amount of variation in a wave direction in a wave observing apparatus. SOLUTION: A wave arithmetic processing section 14 acquires a wave direction Wd on the basis of a signal from a radar device 12. A section 16 for acquiring the amount of change in the wave direction acquires a wave direction change amount output ΔWdav on the basis of the wave direction Wd. A control section 18 generates display information so that display according to the wave direction change amount output ΔWdav is made at a display section 20. More detailed conditions of waves on the surface of the sea, the surface of a lake, or the like can be determined from display output on the basis of this sort of display information. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:在波观测装置中显示波方向的变化量。 解决方案:波运算处理部分14基于来自雷达装置12的信号获取波方向Wd。用于获取波方向的变化量的部分16获取波方向改变量输出ΔWdavon 波方向Wd的基础。 控制部分18产生显示信息,使得根据波方向改变量输出ΔWdav的显示在显示部分20处进行。在海面,湖面等上的波浪的更详细的条件可以是 基于这种显示信息从显示输出确定。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Radar wave measuring device
    • 雷达波测量装置
    • JP2005003611A
    • 2005-01-06
    • JP2003169722
    • 2003-06-13
    • Japan Radio Co Ltd日本無線株式会社
    • HAKODA YUSAKU
    • G01S13/95G01S13/50
    • Y02A90/18
    • PROBLEM TO BE SOLVED: To improve precision of a measured wave height by correcting a wave height obtained by a wave processor, which processes a radar image to provide wave information including a wave height, to be an approximate value of a wave height measured using an ultrasonic wave gauge by utilizing other wave information.
      SOLUTION: Based on a fact such that variation in wave directions show a strong correlation with wave height, calculated wave height information is calculated to become large when an average wave direction variation signal becomes small, and small when the average wave direction variation signal becomes large. In addition, the amount of the calculated result is calculated to become large corresponding to its wavelength. Regression correction is conducted to the obtained result using a regression correction means, and the corrected result is output.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了通过校正由处理雷达图像以提供包括波高的波信息的波处理器获得的波高来提高测量波高的精度,作为波高的近似值 使用超声波波表通过利用其他波信息测量。 解决方案:基于波浪方向的变化与波高相关的事实,当平均波方向变化信号变小时,计算出的波高信息被计算为变大,当平均波方向变化 信号变大。 此外,计算结果的量被计算为对应于其波长变大。 使用回归校正装置对所得结果进行回归校正,输出校正后的结果。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • WAVE OBSERVATION RADAR
    • JPH03262990A
    • 1991-11-22
    • JP6332190
    • 1990-03-13
    • JAPAN TECH RES & DEV INSTJAPAN RADIO CO LTD
    • ISHIHARA MASAYUKIARAKI TATSUOMARUSHIMA TERUHAKODA YUSAKU
    • G01S13/95
    • PURPOSE:To accurately and stably grasp a wave state by providing an A/D converter which derives a sea surface reflection signal, a video memory, a distance correcting circuit, a process gate signal generating circuit, a two-dimensional FFT circuit, a wave direction/wavelength/wave speed arithmetic circuit, etc. CONSTITUTION:A radio wave which is sent by the transmitter 16 of the radar RD is amplified logarithmically by a receiver 18, then detected and supplied as a sea surface reflected video signal Sb to an A/D converting circuit 20, and stored in a video memory 22. The signal Sb is supplied to the distance correcting circuit 24 and a distance corrected signal Sc which is converted into a constant signal is supplied to an XY coordinate converting circuit 26 and converted into an orthogonal coordinate signal Sd. Its image has its processing range of the two-dimensional FFT set with a process gate signal Se. The two-dimensional FFT circuit 30 performs two-dimensional Fourier transform for each of sea surface reflected signals of two rotations to derive a two-dimensional Fourier-transformed signal Sf. The signal is supplied to a cross- spectrum arithmetic circuit 32 to derive an arithmetic signal Sg. The signal Sg is supplied to the wave direction/wavelength/wave sped arithmetic circuit 34 and a detection signal Sh of wavelength and a wave speed is supplied to a sea surface reflection detecting circuit 36.
    • 9. 发明专利
    • RADAR DISTANCE TRACKING APPARATUS
    • JPS61178681A
    • 1986-08-11
    • JP2068785
    • 1985-02-05
    • JAPAN RADIO CO LTD
    • HAKODA YUSAKU
    • G01S7/36G01S13/66G01S13/70
    • PURPOSE:To enable one tracking by performing distance tracking at a high speed and discriminating target separation, by comparing the output of a high sped distance counter with tracking gate position data set by a microcomputer to output a target distance in the form of a distance numerical value and a tracking gate form. CONSTITUTION:The output of a high speed distance counter 10 counting the clock of a clock generator 9 started by a transmission trigger is compared with the set tracking position gate of a microcomputer 27 by a distance comparator 1. When both of them coincide, a tracking gate pulse having a width including a target is outputted from a tracking gate generator 12 and converted to a high accuracy tracking gate width by a shift register 13 and a change-over circuit 14 for changing over a shift amount and a gate 20 is controlled by this width and the video signal passing through an A/D converter 25 is compared with a set threshold value by the microcomputer 27 while a video signal center value is detected by a lock-on detection circuit 24 to track a target distance at a high speed. In the similar way, two targets are separated by two sets of gate pulse widths and front and rear targets are selectively tracked corresponding to the indication of the microcomputer 27 through FF 18, a gate 22 and FF 19.