| 1. | Pulse frequency modulation pfm
脉冲频率调制 |
| 2. | Pfm pulse frequency modulation
脉冲频率调制 |
| 3. | Pl pulse frequency modulation
脉冲频率调制 |
| 4. | Pulse frequency modulation
脉冲频率灯 |
| 5. | The pfm technology includes two kinds modes : constant width pfm and swfm
脉冲频率调制又包括了两种方式，即等宽pfm和swfm 。 |
| 6. | The pfm as the key technology in the pfm optic transmitter is discussed
分析了pfm光发射机设计中的一项关键技术，即脉冲频率调制。 |
| 7. | Hereby , this dissertation present system project with chirp - subpulse stepped frequency signal in
据此,提出了chirp子脉冲频率步进信号在低空动目标检测应用中的系统实现方案。 |
| 8. | Empty affect refers to the frequency at empty electrical motors from lock - in normal circumstances to activate the pulse frequency
空载牵入频率是指步进电机在空载情况下能够从锁定状态正常启动的脉冲频率。 |
| 9. | The output voltage parameters such as amplitude , frequency and duty ratio can be variable in a wide range with programmable digital adjustment
脉冲电压的幅值、脉冲频率和占空比等参数在较大范围内实现可编程数字调节。 |
| 10. | Chirp - subpulse stepped frequency signal is one of the high distance resolution signals with merits of stepped - frequency signal and chirp signal
Chirp子脉冲频率步进信号兼有频率步进信号和线性调频信号的优点,是一种高距离分辨力信号。 |
