射频噪声的英文

• radio noise
• rf noise

• "射频"英文翻译    radio frequency
• "噪声"英文翻译    noise; stew; swishing; yawp; ...
• "射频噪声场强度" 英文翻译 :    radio-noise field strength
• "单频噪声" 英文翻译 :    single frequency noise; single-frequency noise
• "低频噪声" 英文翻译 :    low-frequency noise; low-frequencynoise; thump
• "调频噪声" 英文翻译 :    fm noise; frequency modulated noise; frequency modulation noise
• "高频噪声" 英文翻译 :    high frequency noise; high-frequency noise; hiss
• "声频噪声" 英文翻译 :    af noise; audible noise; audio frequency noise; audiofrequency noise
• "声频噪声值" 英文翻译 :    audio nuisance value
• "视频噪声" 英文翻译 :    video noise
• "中频噪声" 英文翻译 :    mid-frequency noise
• "点频噪声因数" 英文翻译 :    spot frequency noise factor
• "声频噪声抑制" 英文翻译 :    audio muting
• "视频噪声测试仪" 英文翻译 :    video noise meter
• "转盘的低频噪声" 英文翻译 :    turntable rumble
• "自动视频噪声调整" 英文翻译 :    automatic video noise leveling
• "键击噪声，低频噪声，开机砰声" 英文翻译 :    trump
• "晶体管低频噪声测试仪" 英文翻译 :    tra istor low-frequency noise-meter; transistor low-frequency noise-meter
• "慢扫频噪声调制干扰" 英文翻译 :    slow-sweep noise-modulated jamming
• "自动视频噪声电平调整" 英文翻译 :    automatic video noise leveling
• "声音广播中音频噪声电平的测量" 英文翻译 :    measurement of audio-frequency noise voltage level in sound broadcasting
• "一种低频噪声调制雷达干扰机的监视" 英文翻译 :    dinamate
• "ic射频低噪声放大器" 英文翻译 :    ic rf low noise amplifier
• "一种低频噪声调制雷达干扰机的监视接收机" 英文翻译 :    dinamate
• "射频" 英文翻译 :    [讯] radio frequency◇射频变换器 radio converter; 射频变压器 radio-frequency transformer; [电磁] radio transformer; 射频波道 radio channel; 射频电缆 radio-frequency cable; [电磁] radio-frequency line; 射频电流 radio-frequency current; 射频电流计 radio-frequency ammeter; 射频放大器 [电子学] radio-frequency amplifier (r. f. a.); rf amplifier; 射频放电 radio-frequency discharge; 射频辐射 radio-frequency radiation; 射频干扰 [讯] radio-frequency interference (rfi); 射频脉冲 [讯] radio-frequency pulse; radio pulse; 射频射线 radio-frequency ray; 射频衰减器 radio frequency attenuator; 射频陷波器 radio-frequency trap; 射频线圈 radio-frequency coil; 射频振荡 rf oscillation; 射频振荡器 radio-frequency oscillator; radio frequency generator; 射频质谱计 synchrometer; 射频质谱仪 radio-frequency mass spectrometer; 射频转换开关 radio-frequency switch

• Bandwidth and central frequency are two key factors to it ' s quality
  带宽和中心频率是射频噪声干扰品质的决定因素。
• We modulate the amplitude of the continuous single tune jamming by noise and produce the continuous noise - modulated jamming . this kind of jamming is effective to pc radar including linear frequency - modulated radar and bi - phase coded radar
  在对单频正弦波进行噪声调幅后形成的噪声调幅干扰对线性调频雷达和二相编码雷达都是有效干扰，其干扰特性和射频噪声干扰类似。
• Radio - frequency noise jamming is an effective jamming to pulse compressed ( pc ) radar . it shows the best jam quality when it ' s bandwidth equals to the jammed signal ' s bandwidth and it ' s central frequency equals to that of the jammed radar ' s receiver
  射频噪声干扰对脉冲压缩雷达是一种有效干扰，在其带宽等于雷达信号带宽，中心频率对准雷达的中心频率时具有最佳的干扰品质。
• Then on one hand , author makes researches of anti - jamming against pulse jamming 、 gauss white noise jamming and radio frequency noise jamming from the side of signal processing . author exercises much signal processing knowledge of time - domain sliding window accumulation 、 wavelet analysis 、 time - frequency analysis and linear prediction and carries out many simulation experiments . on the other hand , author proposes the anti - jamming methods of using a sar similar to double - base radar and modulating the amplitude 、 the phase of emission signal and changing the frequency modulation slope from the side of changing sar system model
  作者首先提出了合成孔径雷达抗干扰的定义、分类以及评价抗干扰方法好坏的主客观标准；然后，一方面从信号处理的角度出发对脉冲式干扰、高斯白噪声干扰以及射频噪声干扰进行了抗干扰研究，其中运用了时域滑动窗口积累，小波分析，时频分析以及线性预测等信号处理知识，做了大量的仿真实验；另一方面，本文基于改变合成孔径雷达系统模式提出了利用类似双基地雷达来抗干扰，以及对发射信号进行调幅、调相以及改变调频斜率来抗干扰，同样做了相应的仿真实验。
• Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing , pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction . ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain . ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain
  通过大量的理论分析和仿真实验，得到了一批具有一定价值的结论：从信号处理的角度出发，对于脉冲式干扰，能够运用时域滑动窗口积累的方法去掉，并且通过预测插值得到较好的恢复；对于高斯白噪声干扰，在时频变换域内应用时频分析方法可减小其对分散点目标的干扰；对于射频噪声，通过平均距离频频法和频域陷波的方法可以去掉；从改变合成孔径雷达系统角度出发，类似双基地雷达能够避免各种干扰，对发射信号进行调幅，调相以及改变调频斜率都是较好的抗干扰方法。
• Then by the method of computer simulation , the following jamming patterns are made quantitative analysis , radio - frequency noise jamming , continuous single tune jamming , continuous noise amplitude - modulated jamming , relayed frequency shift jamming , and the key factor which affect the quality of these jamming patterns
  然后在此基础上，通过计算机仿真分析，定量地讨论了射频噪声干扰、连续正弦波干扰、转发移频脉冲干扰以及影响它们干扰品质的因素，并以压制系数为衡量标准，进行了干扰效能分析。