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programs
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    Amendments to Two FFT Programs in Programs for Digital Signal Processing
    对“Programs for Digital Signal Processing”中两个快速付立叶变换程序的修正意见
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    Design of Digital Filters by Optimization Algorithms and Programs
    利用优化方法设计数字滤波器(算法及程序)
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    Moreover,some numeric valuescalculated by Microsoft Visual C++ programs are presented and analyzed.
    此外,通过编制Microsoft Visual C++程序,算出了具体的数值,并对之进行分析。
    All programs in this paper are implemented in Matlab5.2.
    本论文的所有程序是在Matlab5.2上实现的。
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    All primary programs in this article are realized with VC++ and Matlab.
    本文所有重要程序均用VC++和Matla编程实现。
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  节目
    Computer Management for SAT's TV Programs Receiving System
    卫星电视节目接收系统的计算机管理
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    Research on receiving teletext TV programs by common color television
    普通彩色电视接收机接收图文电视节目的研究
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    How to Edit VCD Programs by Linear Editing Machine
    怎样用线性编辑机编辑VCD节目
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    The Technology of Playing Satellite multi-TV Programs Based on DirectShow
    基于DirectShow的卫星电视多路节目播放技术
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    Design and Realization of Multi-Channel Digital Collection System for Satellite Programs
    多路全数字卫星节目收录系统的设计与实现
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  “programs”译为未确定词的双语例句
    Principles of Designing Diagnosis Programs for SPC Switching Systems
    程控交换机诊断程序的设计原理
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    SWFM-IM Optical Fiber Transmission System with Two Sound Channels for Colour TV Programs
    SWFM-IM彩色电视双伴音光纤传输系统
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    Automatic TV Programs Tuning System
    电视节目自动调谐系统
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    The application of the virtual studio system is more and more universal in the production of television programs,and keying technology is the core of the system.
    虚拟演播室系统在电视节目制作中的应用越来越普遍,而键控技术是该系统的核心。
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    As the combination of virtual reality and digital image technologies, VSS (Virtual Studio System) has important applications in convenient and flexible making of TV programs.
    作为虚拟现实和图像技术的有机结合,虚拟演播室系统(Virtual Studio System,VSS)在方便灵活的电视节目制作方面具有重要应用。
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  programs
Based on the properties of the generalized geometric programming, the dual programs of these two problems are derived.
      
Furthermore, the duality theorems and related Kuhn-Tucker conditions for two pairs of the prime-dual programs are also established by the duality theory.
      
An inexact lagrange-newton method for stochastic quadratic programs with recourse
      
In the semi-arid area of the Loess Plateau, Caragana korshinski, a leguminous shrub, is the dominant plant species widely used in vegetation rehabilitation programs.
      
In the semi-arid Horqin sandy land of north China, Caragana microphylla, a leguminous shrub, is the dominant plant species and is widely used in vegetation reestablishment programs to stabilize shifting sand.
      
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The acoustical effects in the stalls in the average theatres are often not satisfactory. This is primarily results of unfavourable time and intensity distribution of the short-delay reflected sounds which arrive after the direct sound.In this experiment, delayed sounds produced artificially were made use of to imitate nine different reflected sounds (20-110ms), combined into several delayed sound combinations. Subjective evaluations by paired comparisons were made in open air among these combinations. Two musical...

The acoustical effects in the stalls in the average theatres are often not satisfactory. This is primarily results of unfavourable time and intensity distribution of the short-delay reflected sounds which arrive after the direct sound.In this experiment, delayed sounds produced artificially were made use of to imitate nine different reflected sounds (20-110ms), combined into several delayed sound combinations. Subjective evaluations by paired comparisons were made in open air among these combinations. Two musical and one speech programs recorded in open air were used as the sound signals.Based on the analysis of the statistical results of this preliminary experiment, the acoustical effects of different delayed sounds to tonal quality under the condition of no reverberation are discussed, and the relationship among the criteria of various evaluations is also investigated.

一般剧场的一楼中部地区音质常常不好,这和直达声后的短延迟反射声的分布状况有关.本试验用电声模拟几个不同延迟(20~110毫秒)的反射声,组成若干种延迟声的组合,在露天条件下对各种组合进行了“成对比较”的主观音质评价.声源采用了在露天录制的音乐、语音等三种节目. 从初步试验结果的统计分析中,讨论了在没有混响的情况下,不同的延迟声对于音质效果的影响.除此之外,还讨论了各项评价指标之间的相关趋势.

At the present paper the available properties of the linear FM signal are summed up. And the transfer function of the compression network analogous to a matched filter is discussed. It is suggested that the program for the active pulse compression system can be accomplished by using a wire-type dispersive ultrasonic delay line. The experimental results of the active system are also given. Following the discussion of the principle for the passive pulse compression system, the practical program of...

At the present paper the available properties of the linear FM signal are summed up. And the transfer function of the compression network analogous to a matched filter is discussed. It is suggested that the program for the active pulse compression system can be accomplished by using a wire-type dispersive ultrasonic delay line. The experimental results of the active system are also given. Following the discussion of the principle for the passive pulse compression system, the practical program of the passive system used in the laboratory is introduced. The experimental results of the passive system are given. The research work on the active pulse compression system with the compression ratio of 100 and the passive one with that of 140 has succeeded. The compressed-pulse width of the former is 5μs, and that of the latter, 3μs. The experimental results, agree with the theoretical estimations.

本文总结了线性调频信号的许多有用特性,讨论了近似于匹配滤波器的压缩网络传递函数。提出了用金属丝色散型超声延迟线完成有源脉冲压缩方案,报道了有源系统的实验结果。在讨论了无源压缩的工作原理之后,报道了实验室采用的无源脉冲压缩的实现方案,给出了无源系统的实验结果。有源压缩100倍和无源压缩140倍的工作系统已经研究成功,前者压缩脉冲宽度为5微秒,后者压缩脉冲宽度为3微秒,实验结果和理论预计非常吻合。

A new method used for analysis of infrasound signals recorded on paper in the as a function of time is presented. The principle and technique of this method are described, and some spectrograms processed by computer are presented. The DGC-FORTRAN-IV program used for this method is also given.

本文提出了应用小型数字计算机和快速傅氏变换作次声信号动态频谱的分析方法,实验证明这种方法行之有效,且容易实施,从而克服了模拟分析器难以克服的困难。本文介绍数字化频谱分析的一般原理,着重讨论记录在纸上的次声信号的采样和分析方面的有关问题,给出了用FORTRAN语言编写的动态谱分析计算程序和绘图程序,和一个实际例子的分析结果。

 
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