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- stereophonic FM broadcasting 立体声调频广播
- FM broadcasting--Stereophonic with supplementary channel GB4311.;3-1984调频广播立体声带附加信道
- Influence of Interferential Wave of E_s Ionosphere on FM Broadcasting Coverage Network and Countermeasures Could Be Taken. E_s层干扰波对调频广播覆盖网的影响及其对策
- Bistatic radar based on regarding FM broadcast as illuminator has potential "four countering" advantages. 摘要利用FM广播照射源的双基地雷达具有良好的“四抗”性能。
- Armstrong had proven that his new high frequency FM broadcasting concept was not only technically feasible, but superior to AM radio in almost every way. 阿姆斯壮证明,他的新高频率FM广播概念是不仅技术上可行的,仅优胜者对上午收音机用几乎每个方式。
- The highest failure probability in EMC test is that radiation disturbance overruns the limitation of specification for FM broadcast receivers. 摘要指出FM广播接收机在出口认证中,EMC测试不合格项出现机率最多的是辐射骚扰超出标准限值。
- Passive location aided with opportunity transmitter is a kind of system which employs a television or FM broadcast transmitter as the illuminator. 基于外辐射源的无源定位系统是以电视或调频广播的发射机作为其辐射源的,具有反侦察、抗干扰、反隐身、抗反辐射导弹的潜在优势,有良好的发展前景。
- You can even operate Amateur radio while receiving FM broadcasts! 也可以在操作业余电台之余守听FM广播。
- In three separate reports issued during 1945, the FCC formally allocated the 88 - 108 MHz portion of the radio spectrum for FM broadcasting, thus creating the FM band as it exists today. 在三个不同报告发布了在1945年期间,FCC正式分配了无线电光谱的88-108兆赫部份为FM广播,如此创造FM带如同它今天存在。
- The concept of PCL(passive coherent location) AEW(airborne early warning) radar system(utilizing) illuminators of opportunity such as FM broadcast is proposed firstly,and then its description and(characteristics) analysis are performed. 提出了利用地面非合作辐射源如FM广播的外辐射源机载预警雷达系统的概念。
- Aimed at FM broadcast signal, this dissertation puts forward to its research model, then under three circumstances analyses math idea and result by and by. At last the simulations show that this method is valid to resolve the problem. 本研究课题针对调频信号提出了自己研究模型,由易到难逐一的对三种情况进行了数学分析和仿真,结果证明了这种方法是有效可行的。
- With the number of FM broadcast pograms increased, the power capacity ofexisting FM antenna-feeder system in various regions, particularly in large and middle-sized cities cannot meet the requirements of development. 随着调频广播的发展,天馈线系统扩容与发射塔的天线安装空间有限的矛盾,成了制约调频广播发展的突出问题。
- FM broadcasting--Dual programmes GB4311.;4-1987调频广播双节目
- Requirement and Choice of FM Broadcasting 频广播的需求和选择
- Exploration of Cable FM Broadcasting 有线调频广播的探索
- The electric part of television and FM broadcasts is horizontally polarized, so an antenna lying in a horizontal plane works best. 电视和调幅广播的电波是水平偏振,因此横放在水平面上的天线效果最佳;
- Engineering Research on FM Broadcast Coverage 调频广播覆盖工程技术研究
- Common Cable Transmission of FM Broadcast and CATV 调频广播与有线电视共缆传输
- FM broadcasting--Stereophonic GB4311.;2-1984调频广播立体声
- Auxiliary Service of FM Broadcast 调频广播的附加业务