1) analog microwave channel
模拟微波信道
2) HF channel simulator
短波信道模拟器
1.
In this paper, a DSP-based HF channel simulator within audio bandwidth is designed and implemented based on the concerned theory on the effects caused by the ionosphere in radio wave.
根据电离层影响无线电波传输的有关理论，本文设计并实现了一种基于DSP的话音带宽短波信道模拟器。
2.
HF Channel Simulator is an important testing tool of HF communication equipment,which can simulate the main characteristics of HF channel, such as multi-path,Rayleigh fading and Doppler shift.
短波信道模拟器是对短波电台进行测试的重要设备,它能够模拟短波信道的主要特点。
3) analog microwave
模拟微波
1.
The realization of mixed transmission of analog and digital microwave by existing analog microwave transmission path can help to save capital and achieve the aim of digital transmission of signals.
如果利用已有模拟微波传输通道,实现模拟和数字微波信号的混合传输,不仅可以节约资金,又能达到信号数字化传输的目的。
5) channel simulation
信道模拟
1.
Key Techniques of Channel Simulation System for Intermediate Frequency;
中频信道模拟系统关键技术的研究
2.
As atmospheric noise being one of the main factors influencing HF channel characteristics, the method of generating atmospheric noise in line with real channel plays an important role in the research of wide-band HF channel simulation system.
大气噪声是短波天波信道的主要影响因素之一,如何生成符合实际信道特性的大气噪声对于宽带短波信道模拟器研制具有重要作用。
3.
Multi-path delay is an important index of technology research on channel simulation,the paper introduces an processing algorithm based on interpolation and extraction to realize high-precision time-delay.
多径时延是信道模拟中一个重要的研究技术指标。
6) analog signal channel
模拟信道
1.
The analog signal channel of reconnaissance receiver consists of many modules such as amplifiers,filters and mixers.
侦察接收机中的模拟信道由放大器、滤波器及混频器等多级模块构成,每一级模块都在一定程度上存在着非线性失真。
补充资料：三十一祖道信大医禅师《八十八祖道影传赞》
【三十一祖道信大医禅师《八十八祖道影传赞》】
四祖道信大师者。姓司马氏。世居河内。后徙于蕲州广济县。生而超异。幼慕空宗诸解脱门。宛如宿习。既见三祖嗣法。摄心无寐。胁不至席者。盖六十年。隋大业十三载。领徒众抵吉州。值群盗围城。七旬不解。万众惶怖。祖愍之。教念摩诃般若。时贼众望雉堞间。若有神兵。乃相谓曰。城中必有异人。不可攻矣。稍稍引退。唐武德甲申岁。师却返蕲。春住破头山。学侣云臻。一日往黄梅县。路逢女子。携一小儿。骨相奇秀。异乎常童。祖问曰。子何姓。答曰。姓即有不是常姓。祖曰。是何姓。答曰。是佛性。祖曰。汝无姓耶。答曰。性空故无。祖默识其法器。即俾侍者。至其母所。乞令出家。母以夙缘故。殊无难色。遂舍为弟子。以至传法付衣。偈曰。华种有生性。因地华生生。大缘与性合。当生生不生。遂以学徒委之。是为此土四祖。赞曰。少年出家利根捷疾 六十余年胁不至席 学侣云臻何待小儿 以有夙约观者不知
四祖道信大师者。姓司马氏。世居河内。后徙于蕲州广济县。生而超异。幼慕空宗诸解脱门。宛如宿习。既见三祖嗣法。摄心无寐。胁不至席者。盖六十年。隋大业十三载。领徒众抵吉州。值群盗围城。七旬不解。万众惶怖。祖愍之。教念摩诃般若。时贼众望雉堞间。若有神兵。乃相谓曰。城中必有异人。不可攻矣。稍稍引退。唐武德甲申岁。师却返蕲。春住破头山。学侣云臻。一日往黄梅县。路逢女子。携一小儿。骨相奇秀。异乎常童。祖问曰。子何姓。答曰。姓即有不是常姓。祖曰。是何姓。答曰。是佛性。祖曰。汝无姓耶。答曰。性空故无。祖默识其法器。即俾侍者。至其母所。乞令出家。母以夙缘故。殊无难色。遂舍为弟子。以至传法付衣。偈曰。华种有生性。因地华生生。大缘与性合。当生生不生。遂以学徒委之。是为此土四祖。赞曰。少年出家利根捷疾 六十余年胁不至席 学侣云臻何待小儿 以有夙约观者不知
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参考词条