WO2005034281A1 - 可変電力分配器並びにその誤差検出方法及び設定値補正方法 - Google Patents
可変電力分配器並びにその誤差検出方法及び設定値補正方法 Download PDFInfo
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- WO2005034281A1 WO2005034281A1 PCT/JP2004/004270 JP2004004270W WO2005034281A1 WO 2005034281 A1 WO2005034281 A1 WO 2005034281A1 JP 2004004270 W JP2004004270 W JP 2004004270W WO 2005034281 A1 WO2005034281 A1 WO 2005034281A1
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- transmission lines
- phase
- variable power
- power distributor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
Definitions
- the present invention relates to a variable power distributor, an error detection method thereof, and a set value correction method.
- the present invention relates to a variable power divider, an error detection method thereof, and a set value correction method, and is particularly suitable for a variable power divider used for a polarization control antenna for microwave transmission and reception.
- Fig. 13 is a drawing referring to these figures, and shows the configuration of a variable power distributor when used in a transmission system.
- the first transmission line 1 and the second transmission line 2 form a pair of transmission lines.
- a 90 ° hybrid circuit 3 is provided on the output side of the pair of transmission lines, and a 90 ° hybrid circuit 4 is provided in accordance with the input power rule.
- the 90 ° hybrid circuit 4 constitutes a two-way divider (phase is shifted 90 ° at the two output terminals) by terminating one input terminal.
- a normal two divider may be provided instead.
- the first transmission line 1 to the hybrid circuit 3 includes a first variable phase shifter 5a, a first variable resistance attenuator 6a, and a first power amplifier 7a. I have.
- the second transmission line 2 between the 90 ° hybrid circuit 4 and the 90 ° hybrid circuit 3 includes a second variable phase shifter 5 b and a second variable resistance attenuator 6 b And a second power amplifier 7b.
- the input signal is distributed to the first transmission line 1 and the second transmission line 2 via the 90 ° hybrid circuit 4 having the other input terminal terminated, and the variable phase shifter 5 a ( 5b), the amplitude and phase of the input signal are variably controlled for each transmission line via the variable resistance attenuator 6a (6b).
- These signals are power-amplified by the power amplifier 7a (7b) and the 90 ° It is distributed via the lead circuit 3.
- a polarization control antenna is connected before the 90 ° hybrid circuit 3 so that the polarization can be set arbitrarily.
- Such a variable power divider generally includes 90 ° hybrid circuits 3 and 4, variable phase shifters 5a and 5b, variable resistance attenuators 6a and 6b, and power amplifiers 7a and 7b. Since errors are included in each component, in order to perform accurate control, it is important to detect errors for each component and to estimate correction values for amplitude and phase settings from the detected errors.
- variable phase shifters 5a and 5b and the variable resistance attenuators 6a and 6b can be arbitrarily varied, errors will not be considered hereafter.
- variable power divider In the conventional variable power divider, each component was evaluated for error before the variable power divider was assembled. For this reason, the evaluation measurement time was multiplied by the number of components, and the evaluation time was enormous. Also, after assembling as a variable power divider, errors could not be estimated for individual components, and it was impossible to estimate errors due to inter-component interference due to assembly.
- the present invention has been made to solve the above problems, and can be calculated as an error between two transmission lines after assembling an amplitude ratio / phase difference as a variable power distributor, and based on the error. It is an object of the present invention to obtain a variable power distributor capable of correcting a set value of amplitude / phase, an error detection method thereof, and a set value correction method. Disclosure of the invention
- a variable power distributor includes: a pair of transmission lines including first and second transmission lines; a two-divider provided on an input side of the pair of transmission lines; and the pair of transmission lines.
- 90 ° hybrid circuit provided on the output side of the 0.
- a variable power distribution device provided in each of a pair of transmission lines between the hybrid circuit and the power transmission device, the variable phase shifter controlling the amplitude and phase of an input signal and amplifying power, a variable resistance attenuator, and a power amplifier
- a monitor mechanism for monitoring an output signal from the 90 ° hybrid circuit, and detecting an error present in each component between the first and second transmission lines based on a monitor output of the monitor mechanism. Error detecting means.
- a variable power distributor includes: a pair of transmission lines including first and second transmission lines; and a 90 ° hybrid mounted on each of the input and output sides of the pair of transmission lines.
- a variable transfer circuit provided on each of a pair of transmission lines between the circuit and the 90 ° hybrid circuit on the input side and the 90 ° hybrid circuit on the output side to control the amplitude and phase of the input signal.
- a monitor mechanism for monitoring an output signal from the 90 ° hybrid circuit; and the first and second monitors based on a monitor output of the monitor mechanism.
- Error detecting means for detecting an error existing in each component between the two transmission lines.
- the error detecting means outputs, from the monitor mechanism, respective outputs from the first and second transmission lines when rotating the phase of the variable phase shifter provided in the first transmission line.
- the method is characterized in that an error existing in each component between the first and second transmission lines is detected by applying a vector rotation method.
- the error detecting means outputs, from the monitor mechanism, respective outputs from the first and second transmission lines when rotating the phase of the variable phase shifter provided in the first transmission line.
- the present invention is characterized in that an error existing in each component between the first and second transmission lines is detected by applying a vector rotation method.
- the apparatus further includes control means for correcting the set values of the variable phase shifter and the variable resistance attenuator based on the detection result of the error detection means to control the amplitude and phase. And features.
- control means calculates an amplitude ratio and a phase difference between the first and second transmission lines based on a detection result of the error detection means, and calculates the amplitude of the variable phase shifter and the variable resistance attenuator. It is characterized in that the set value is corrected.
- the error detection method for a variable power splitter is a method for detecting an error of the variable power splitter, comprising: Detecting each output signal, and detecting each output signal from the first and second transmission lines when the phase of the variable phase shifter provided in the second transmission line is rotated, An error present in each component is detected by applying an element electric field vector rotation method from each of the output signals.
- An error detection method for a variable power splitter includes a pair of transmission lines including first and second transmission lines, and a two-distribution circuit provided at an input end of the pair of transmission lines.
- a 90 ° hybrid circuit provided at an output end of the pair of transmission lines; and a pair of transmission lines provided between the two distribution circuit and the 90 ° hybrid circuit, and an amplitude of an input signal.
- a variable phase shifter that controls the phase and amplifies the power, a variable resistance attenuator, and a variable power splitter that includes a power amplifier and detects an error present in each component between the first and second transmission lines.
- the output signals from the first and second transmission lines when the phase of the variable phase shifter provided on the first transmission line is rotated are output. Respectively detected, Each output signal from the first and second transmission lines when the phase of the variable phase shifter provided on the second transmission line is rotated is detected, and the improved element electric field is detected from the output signals. It is characterized by detecting errors existing in each component by applying the vector rotation method.
- an error detection method for a variable power distributor comprising: a pair of transmission lines composed of first and second transmission lines; 0 ° hybrid circuit, provided on each of a pair of transmission lines between the 90 ° hybrid circuit on the input side and the 90 ° hybrid circuit on the output side, and variable to control the amplitude and phase of the input signal.
- Each component between the first and second transmission lines of the variable power splitter having a phase shifter and a variable resistance attenuator exists in each component.
- the method for correcting the set value of the variable power distributor according to the present invention may further comprise: an amplitude ratio between the first and second transmission lines based on a detection result of an error detected by the error detection method of the variable power distributor. And a phase difference are calculated, and set values of the variable phase shifter and the variable resistance attenuator are corrected.
- FIG. 1 is a block diagram showing a configuration of a variable power distributor according to Embodiment 1 of the present invention
- Figure 2 is an explanatory diagram that models the variable power divider shown in Figure 1 from the viewpoint of errors included in each component.
- FIG. 3 is an explanatory diagram for expressing output signals of the first and second transmission lines 1 and 2 as a two-element electric field combining vector
- Fig. 4 is an explanatory diagram of the procedure for detecting the error of each component by applying the REV method
- FIG. 5 is a block diagram showing a configuration of a variable power distributor according to Embodiment 2 of the present invention.
- FIG. 6 is a block diagram showing a configuration of a variable power distributor when used in a transmission system according to Embodiment 3 of the present invention.
- Fig. 7 is an explanatory diagram modeling the variable power divider shown in Fig. 6 from the viewpoint of errors included in each component.
- FIG. 8 is an explanatory diagram of a procedure for detecting an error of each component by applying the improved REV method
- FIG. 9 is a block diagram showing a configuration of a variable power distributor according to Embodiment 4 of the present invention.
- FIG. 10 is a block diagram showing a configuration of a variable power distributor when used in a receiving system according to Embodiment 5 of the present invention.
- FIG. 11 is an explanatory diagram in which the variable power divider shown in FIG. 10 is modeled from the viewpoint of errors included in each component,
- FIG. 12 is a block diagram showing a configuration of a variable power distributor according to Embodiment 6 of the present invention.
- FIG. 13 is a block diagram showing a configuration of a variable power distributor according to a conventional example.
- FIG. 1 is a block diagram showing a configuration of a variable power distributor according to Embodiment 1 of the present invention.
- the variable power distributor illustrated in FIG. 1 includes a pair of transmission lines including a first transmission line 1 and a second transmission line 2 similar to the conventional example illustrated in FIG. 13, and the pair of transmission lines.
- the first transmission between the 90 ° hybrid circuit 3 provided on the output side, the 90 ° hybrid circuit 4 provided on the input side, and the 90 ° hybrid circuit 4 and the 90 ° hybrid circuit 3 provided on the input side A first variable phase shifter 5a, a first variable resistance attenuator 6a and a first power amplifier 7a provided on the line 1, a 90 ° hybrid circuit 4 and a 90 ° hybrid circuit 3, A second variable phase shifter 5b, a second variable resistance attenuator 6b, and a second power amplifier 7b, which are provided on the second transmission line 2 therebetween.
- the 90 ° hybrid circuit 4 constitutes a two-way divider (phase is shifted by 90 ° at two output terminals) by terminating one input terminal.
- a two-way distributor may be provided instead.
- variable power distributor includes a first output signal monitoring mechanism 8a branched from the first transmission line 1 and a branch from the second transmission line 2.
- a second output signal monitoring mechanism 8b provided as an error detection means for detecting an error ratio between the first and second transmission lines 1 and 2 based on monitor outputs from these output signal monitoring mechanisms.
- An error calculation device 9 is further provided.
- the input signal is The signal is distributed to two systems, a first transmission line 1 and a second transmission line 2, via a 90 ° hybrid circuit 4 having the other input terminal terminated, and a variable phase shifter 5a (5b)
- the amplitude and phase of each transmission line are variably controlled by the anti-attenuator 6a (6b).
- These signals are power-amplified by the power amplifier 7 a (7 b) and distributed via the 90 ° hybrid circuit 3.
- the output signal from the hybrid circuit 3 is branched from the first transmission line 1 and the second transmission line 2, respectively, and the first output signal monitoring mechanism 8a and the second output signal
- the signals are input to the monitor mechanism 8b, and the monitor mechanism monitors the amplitude and phase of the output signal from the variable power distributor.
- the variable power divider shown in FIG. 1 is modeled from the viewpoint of errors included in each component, it becomes as shown in FIG.
- the input signal is E 0
- the output signal on the first transmission line 1 is E
- the output signal on the second transmission line 2 is E 2
- the error amplitude value of the circuit 3 is ⁇ 2+ , —
- the error phase value of the 90 ° hybrid circuit 3 in the first and second transmission lines 1 and 2 (+, _
- the 90-degree hybrid circuit 3 input side error amplitude values in the first and second transmission lines 1 and 2 are,,, and.
- the error phase of the input side of the 2 in 9 0 ° Haipuriddo circuit 3 phi kappa, phi have variable resistor attenuator 6 a, 6 amplitude setting value b (without error) a Ro, a L .
- the phase setting values (no error) of the variable phase shifters 5a and 5b are changed. ,.
- Equation (1) When the relationship of Equation (1) is applied to the output signal E have E 2.
- Equation (1) As shown in FIG. 3, it can be said that the output signal is expressed as a two-element electric field composite vector. Therefore, the technical paper "Element Amplitude and Phase Measurement Method for Phased Array Antenna-Element Electric Field Vector Rotation Method-" Trans. IECE '82 / 5 Vol. J65-B No. 5, pp. 555-560
- Each component error can be detected by applying the electric field vector rotation (REV: Rotating element Electric field Vector) method.
- REV Rotating element Electric field Vector
- phase of the first variable phase shifter 5a is rotated by 360 ° to obtain a phase setting value.
- the power value J is recorded by the first output signal monitoring mechanism 8a (STEP 1).
- the second variable phase shifter 5b is not rotated.
- the trajectory of the output signal close to the cosine carp as shown in Fig. 4 (a) is obtained.
- the phase of the first variable phase shifter 5a is rotated by 360 ° to set the phase setting value.
- the output signal (power value P 21 ) from the variable power splitter in (2) is recorded by the second output signal monitoring mechanism 8b (STEP 2).
- the second variable phase shifter 5b is not rotated.
- the trajectories shown in FIG. 4 (b) the output signal close to the cosine curve as shown in P 21 is obtained.
- phase of the second variable phase shifter 5b is rotated by 360 ° to set the phase.
- the output signal (power value 2 ) from the variable power splitter in (1) is recorded by the first output signal monitoring mechanism 8a (STEP 3).
- the first variable phase shifter 5a is not rotated.
- the trajectory of the output signal Pi 2 close to the cosine carp as shown in Fig. 4 (c) is obtained.
- phase of the second variable phase shifter 5 b is rotated by 360 °, and the output signal (power value P 22 ) from the variable power distributor at the phase setting value is output to the second output signal monitoring mechanism 8 Record in b (STEP 4).
- the first variable phase shifter 5a is not rotated.
- the subscripts of the symbols used in this specification have the following relationships.
- the first number “1” in the subscript “1 1" of the power value Pi i corresponds to the output of the first output signal monitoring mechanism 8a
- the next number “1” is the first variable This shows that this corresponds to the case where the phase of the phase shifter 5a is rotated.
- the subscript "21" is a second output signal monitoring mechanism when the phase of the first variable phase shifter 5a is rotated.
- the subscript "12" corresponds to the output of the first output signal moeta mechanism 8a when the phase of the second variable phase shifter 5b is rotated.
- "22" indicates that the output corresponds to the output of the second output signal monitoring mechanism 8b when the phase of the second variable phase shifter 5b is rotated.
- the output signals obtained in the above four steps are actually discrete values corresponding to the number of bits of the variable phase shifters 5a and 5b, but are optimally fitted using least square approximation or the like. Find the cosine curve (Fig. 4). These monitor outputs are passed to the error calculator 9.
- the error calculation device 9 obtains the relative amplitude k and the relative phase X by the following procedure using the values read from the cosine curve shown in FIG.
- a case where the output signal data from the first transmission line 1 is used (FIGS. 4A and 4C) will be described as an example.
- the ratio between the minimum and maximum power values is r composer 2
- the phase setting value of the first variable phase shifter 5a at the maximum value is the minimum and maximum power values of ⁇ i. If n is the intermediate value of, r hailcan be expressed as in equation (2).
- E 10 and ⁇ are the amplitude and phase of the initial composite electric field vector observed in the output signal of the first transmission line 1 (see FIG. 3).
- the ratio of the power minimum and maximum values when the r 12, and the maximum value phase the set value as one delta chi 2 is expressed by equation (5) determine the relative amplitude 12 and the relative phase 2 the procedure in reference with it.
- the sign of r 12 is to note the same this to become a reverse of r ".
- ⁇ 2 . , ⁇ 2 . are the amplitude and phase of the initial composite electric field vector observed in the output signal of the second transmission line 2, respectively.
- the parameters related to the error (amplitude and phase) in the variable power divider can be calculated using the equations (3) and (5) based on the principle of the REV method. , Obtained in the form of equation (6). From these relational expressions, the amplitude error ratio between the first and second transmission lines 1 and 2 of the 90 ° hybrid circuit 3 in the variable power splitter and the first and second signals on the input side of the 90 ° hybrid circuit 3 are shown. The phase difference between the two transmission lines 1 and 2 can be obtained as Eqs. (7) and (8). 2- 1 22 a R ( ⁇ )
- the output signals on the first and second transmission lines 1 and 2 in the variable power distributor are monitored by the monitoring mechanisms 8a and 8b, respectively.
- the monitor data is transmitted to the error calculation device 9 and the calculation process using the REV method is performed to obtain the error for each component in the variable power distributor (between the first transmission line and the second transmission line). Relative value) can be detected.
- the error of each component can be estimated after assembling the variable power divider, so that the evaluation measurement time can be greatly reduced and the cost can be reduced.
- FIG. 5 is a block diagram showing a configuration of a variable power distributor according to Embodiment 2 of the present invention.
- the variable power distributor according to the second embodiment shown in FIG. 5 has a configuration similar to that of the first embodiment shown in FIG.
- a correction value calculating device 10 for calculating correction values of amplitude and phase in the variable phase shifters 5a and 5b, and variable resistance attenuators 6a and 6b based on the output of the correction value calculating device 10.
- An amplitude phase controller 11 for controlling the amplitude correction amount and the phase correction amount of the variable phase shifters 5a and 5b is further provided.
- Equation (9) Applying the force ⁇ equation (1 2) to transform equation (1), and taking the ratio of the two yields the following equation.
- variable power divider is used by using the error (the relative value between the first transmission line and the second transmission line) for each component in the variable power divider. It is possible to derive a value for correcting the amplitude and phase set values in consideration of the error in the above.
- control can be performed so as to correct the set values of the variable resistance attenuators 6a and 6b and the variable phase shifters 5a and 5b.
- the derivation and control system of the amplitude and phase correction values is wired so that feedback can be applied to the system of the variable power distributor, so that these operations are automatically fed back. It is possible to control.
- FIG. 6 is a diagram illustrating a variable power distributor when used in the transmission system according to Embodiment 3 of the present invention.
- FIG. 3 is a block diagram showing the configuration of FIG.
- the variable power distributor illustrated in FIG. 6 includes a pair of transmission lines including a first transmission line 1 and a second transmission line 2 similar to the conventional example illustrated in FIG. 13, and the pair of transmission lines.
- a 90 ° hybrid circuit 3 provided on the output side of the first circuit, a two-divider 13 provided on the input side, and a first transmission line 1 between the two-divider 13 and the 90 ° hybrid circuit 3
- the two-way divider 13 may be provided with a 90 ° hybrid circuit that forms a two-partition circuit (phase is shifted by 90 ° at two output ends) by terminating one input end.
- variable power distributor includes a first output signal monitoring mechanism 8a branched from the first transmission line 1 and a branch from the second transmission line 2. Provided second output signal monitoring mechanism 8b, and error detection means for detecting an error ratio between the first and second transmission lines 1 and 2 based on the monitor from these output signal monitoring mechanisms. And an error calculation device 9 as the first embodiment.
- the input signal is split into two systems of a first transmission line 1 and a second transmission line 2 via a two-way splitter 13, a variable phase shifter 5 a (5 b), a variable resistance attenuator 6 a ( 6b) controls the amplitude and phase of each transmission line variably.
- These signals are power-amplified by the power amplifier 7 a (7 b) and distributed via the 90 ° hybrid circuit 3.
- the output signal from the 90 ° hybrid circuit 3 is branched from the first transmission line 1 and the second transmission line 2, respectively, to form the first output signal monitoring mechanism 8a and the second output signal monitoring mechanism. 8b, and the monitor mechanism monitors the amplitude and phase of the output signal from the variable power distributor.
- variable power divider shown in FIG. 6 is modeled from the viewpoint of errors included in each component, it becomes as shown in FIG. In Fig. 7, the input signal is E.
- the output signal on the first transmission line 1 is E i and the output signal on the second transmission line 2 is
- the error electric field ⁇ t on the output side (output end and £ 2 side) from the 90 ° hybrid circuit 3 in the first and second transmission lines 1 and 2 is ⁇
- the first and second transmission lines 1 and 90 in two the first and second transmission lines 1 and 90 in two.
- the miscalculated electric field value of the hybrid circuit 3 is ⁇ 2
- the error electric field value 12 on the input side (two divider 13 side) of the 90 ° hybrid circuit 3 in the first and second transmission lines 1 and 2 is ⁇ 3 I do.
- FIG. 8 is a vector diagram showing the transition of the electric field value E 1Rm at this time.
- the output signal (electric field value E 2Rm ) from the variable power distributor at A Rm is recorded by the second output signal monitor mechanism 8b. At this time, the second variable phase shifter 5b is not rotated.
- phase of the second variable phase shifter 5b is rotated by 360 °, and the output signal (electric field value E 1Lm ) from the variable power distributor at the phase set value A Lm is monitored by the first output signal monitor. Record with mechanism 8a. At this time, the first variable phase shifter 5a is not rotated.
- the phase of the second variable phase shifter 5b is rotated by 360 °, and the output signal (electric field value E 2Lm ) from the variable power distributor at the phase set value A Lm is converted to the second output signal. Record with the monitor mechanism 8b. At this time, the first variable phase shifter 5a is not rotated. From the output signals obtained by the above four procedures, the electric field value of each system when the phase of the variable phase shifter is rotated is expressed by equation (18).
- M represents the set number of phase shifters.
- J 1 RM is by 3 60 ° rotating the phase of the first variable phase shifter 5 a, the output signal from the variable power distributor at the phase set value A Rm (the electric field value E 1 RM) first output This is the electric field value of the first transmission line 1 when recorded by the signal monitoring mechanism 8a.
- J 2Rm rotates the phase of the first variable phase shifter 5 a by 360 °, and outputs the output signal (electric field value E 2Rm ) from the variable power divider at the phase set value A Rm to the second output. This is the electric field value of the first transmission line 1 when recorded by the signal monitoring mechanism 8b.
- J 1Lm rotates the phase of the second variable phase shifter 5 b by 360 ° to convert the output signal (electric field value E 1 Lm ) from the variable power divider at the phase set value A Lm to the first. This is the electric field value of the second transmission line 2 when recorded by the output signal monitoring mechanism 8a.
- J 2Lm rotates the phase of the second variable phase shifter 5 b by 360 °, and outputs the output signal (electric field value E 2Lm ) from the variable power divider at the phase set value A Lm to the second output signal. This is the electric field value of the second transmission line 2 when recorded by the monitor mechanism 8b.
- the error electric field on the output side (output end J and J 2 side) of the 90 ° hybrid circuit 3 in the first and second transmission lines 1 and 2 is 10 0.
- the erroneous electric field value of the 90 ° hybrid circuit 3 in the first and second transmission lines 1 and 2 is ⁇ 2
- the input side of the 90 ° hybrid circuit 3 in the first and second transmission lines 1 and 2 is expressed by Equation (19), Equation (20), and Equation (21), respectively.
- ⁇ ' JlLm
- the output signals on the first and second transmission lines 1 and 2 in the variable power distributor are monitored by the monitoring mechanisms 8a and 8b, respectively.
- the error for each component in the variable power distributor (the relative transmission between the first transmission line and the second transmission line) is obtained. Value) can be detected.
- the error of each component can be estimated after assembling the variable power divider, so that the evaluation measurement time can be greatly reduced and the cost can be reduced.
- FIG. 9 is a block diagram showing a configuration of a variable power distributor according to Embodiment 4 of the present invention.
- the variable power distributor according to the fourth embodiment shown in FIG. 9 has the same configuration as that of the third embodiment shown in FIG. 6, and further includes variable resistance attenuators 6a and 6b based on the output of the error calculation device 9. And a variable value attenuator 6a, 6b based on the output of the correction value calculation device 10 for calculating the correction value of the amplitude and phase in the variable phase shifters 5a and 5b.
- the apparatus further includes an amplitude phase controller 11 for controlling the amplitude correction amount and the phase correction amount of the variable phase shifters 5a and 5b.
- the operation of the variable power distributor according to Embodiment 4 will be described.
- the detection of the error (the relative value between the first transmission line and the second transmission line) for each component in the variable power distributor is described.
- the amplitude and phase set values in the variable power distributor are corrected based on this error, and the amplitude and phase are controlled.
- the error of each component in the variable power splitter (the relative value between the first transmission line and the second transmission line)
- correct the amplitude and phase settings taking into account the error in the variable power splitter
- the values are obtained by the correction value calculator 10 and the correction values are sent to the amplitude and phase controller 11 to set the variable resistance attenuators 6a and 6b and the variable phase shifters 5a and 5b.
- the correction value calculation device 10 calculates a correction value so as to cancel out the error obtained by the error calculation device 9. As shown in FIG. 9, since the amplitude and phase correction value derivation and control system is wired so that feedback can be applied to the variable power distributor system, feedback is automatically provided for these operations. It is possible to control. ,
- FIG. 10 is a block diagram showing a configuration of a variable power distributor when used in a receiving system according to Embodiment 5 of the present invention.
- the variable power distributor according to the fifth embodiment shown in FIG. 10 includes a pair of transmission lines configured of a first transmission line 1 and a second transmission line 2 similar to the conventional example shown in FIG.
- 90 ° hybrid circuit 17 provided on the output side of the pair of transmission lines, 90 ° hybrid circuit 16 provided on the input side, 90 ° hybrid circuit 16 and 90 ° hybrid
- a first variable phase shifter 5a and a first variable resistance attenuator 6a provided on the first transmission line 1 between the circuit 17 and the circuit 17; the 90 ° hybrid circuits 16 and 90; °
- variable power distributor includes a first output signal monitoring mechanism 8a provided by branching from the first transmission line 1, and a branch from the second transmission line 2. Provided second output signal monitoring mechanism 8b, and error detection means for detecting an error ratio between the first and second transmission lines 1 and 2 based on the monitor from these output signal monitoring mechanisms. And an error calculation device 9 as the first embodiment.
- the input signal is split into two systems, a first transmission line 1 and a second transmission line 2, via a 90 ° hybrid circuit 16, a variable phase shifter 5 a (5 b), a variable resistance attenuator 6
- the amplitude and phase of each transmission line are variably controlled by a (6 b), and the transmission line is divided via the 90 ° hybrid circuit 17.
- the output signal from the 90 ° hybrid circuit 17 is branched from the first transmission line 1 and the second transmission line 2, respectively, to form a first output signal monitoring mechanism 8a and a second output signal monitoring mechanism 8 b, and the monitor mechanism monitors the amplitude and phase of the output signal from the variable power distributor.
- the variable power distributor shown in FIG. 10 is modeled from the viewpoint of errors included in each component, it becomes as shown in FIG.
- the input signal on the first transmission line 1 is E.
- E is the input signal on the second transmission line 2.
- the output signal on the first transmission line 1 is E
- the output signal on the second transmission line 2 is E 2
- First and second transmission lines 1 and transmission lines 1 and 2 the error field value ⁇ have first and second input side of the 90 ° hybrid circuit 16 in 2 (input E 01 and E.
- the miscalculated electric field value of the 90 ° hybrid circuit 16 at ⁇ hl is the error in the first transmission line 1 between the 90 ° hybrid circuit 16 and the 90 ° hybrid circuit 17 in the first and second transmission lines 1 and 2. Let the electric field value be C R , and let the error electric field value in the second transmission line 2 be C. Further, the miscalculated electric field value of the 90 ° hybrid circuit 16 in the first and second transmission lines 1 and 2 is S h2 , and the output side of the 90 ° hybrid circuit 17 in the first and second transmission lines 1 and 2 is ( the error field value of the output terminal ⁇ Pi £ 2 side) and [delta] 3.
- the output signal from the variable power divider at the phase set value A Lm (electric field value E 1Lm- . J) is recorded by the first output signal monitoring mechanism 8a .
- the first variable The phase shifter 5a is not rotated.
- C ′ 1Rm rotates the phase of the first variable phase shifter 5 a by 360 °, and outputs the output signal from the variable power divider at the phase set value A Rm .
- This is the electric field value of the first transmission line 1 when the (electric field value E 1Rm — 01 ) is recorded by the first output signal monitoring mechanism 8a .
- C ′ 1Lm is the phase of the second variable phase shifter 5 b when input from the input terminal E 01. Rotate 360 ° to set phase ⁇ ⁇ Output signal from variable power divider at A Lm
- Electric field value E 1Lm- Electric field value of the second transmission line 2 when J is recorded by the first output signal monitoring mechanism 8a .
- C ′ 2Lm rotates the phase of the second variable phase shifter 5 b by 360 °, and outputs the output signal from the variable power splitter at the phase set value A Lm .
- E 1Rm — 02 is the electric field value of the first transmission line 1 when recorded by the first output signal monitoring mechanism 8a .
- the phase of the second variable phase shifter 5 b is rotated by 360 °, and the output signal from the variable power divider at the phase set value A Lm is output.
- the error electric field value C R at 1, the error electric field value C at the second transmission line 2, and the 90 ° hybrid at the first and second transmission lines 1 and 2 Miscalculated electric field value ⁇ h 2 of the load circuit 16, 90 in the first and second transmission / lines 1 and 2.
- the error electric field value ⁇ 3 on the output side is calculated by the equations (22), (23), (24), (25) and (25), respectively. 26), and is expressed by equation (27).
- This calculation process is performed by the error calculation device 9 and detected.
- the output signals on the first and second transmission lines 1 and 2 in the variable power distributor are monitored by the monitoring mechanisms 8a and 8b, respectively, and the Is transmitted to the error computing device 9, and is subjected to an arithmetic processing using the improved REV method, thereby obtaining an error (a relative value between the first transmission line and the second transmission line) for each component in the variable power distributor. ) Can be detected.
- the error of each component can be estimated, so that the evaluation measurement time can be greatly reduced and the cost can be reduced.
- FIG. 12 is a block diagram showing a configuration of a variable power distributor according to Embodiment 6 of the present invention.
- the variable power distributor according to the sixth embodiment shown in FIG. 12 is similar to the fourth embodiment shown in FIG. 9 in addition to the configuration of the fifth embodiment shown in FIG.
- Correction calculation device 10 that calculates amplitude and phase correction values that are measured by variable resistance attenuators 6a and 6b and variable phase shifters 5a and 5b based on output, and correction value calculation device 10 And an amplitude and phase control device 11 for controlling the amplitude correction amount and the phase correction amount of the variable resistance attenuators 6a and 6b and the variable phase shifters 5a and 5b based on the output of the variable resistance attenuators 6a and 6b.
- the amplitude and phase are set in consideration of the error in the variable power divider.
- the value for correcting the value is obtained by the correction value calculation device 10 and the correction value is sent to the amplitude and phase control device 11 so that the variable resistance attenuators 6 a and 6 b and the variable phase shifters 5 a and 5 b Control can be performed so as to correct the set value.
- the correction value calculating device obtains a correction value so as to cancel out the error obtained by the error calculating device 9.
- the derivation and control system of the amplitude and phase correction values is a wiring that can feed back to the system of the variable power distribution device, so that Automatically apply feedback control
- an amplitude ratio-phase difference can be calculated as an error between two transmission lines after assembling it as a variable power distributor, and the amplitude / phase can be set based on the error.
- a variable power divider capable of correcting the error, a method of detecting an error thereof, and a method of correcting the set value.
Landscapes
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005514347A JP4166787B2 (ja) | 2003-09-30 | 2004-03-26 | 可変電力分配器並びにその誤差検出方法及び設定値補正方法 |
US10/567,925 US7587652B2 (en) | 2003-09-30 | 2004-03-26 | Variable power distributor, error detection method thereof, and set value correction method |
EP04723747A EP1670092A4 (en) | 2003-09-30 | 2004-03-26 | VARIABLE ENERGY DISTRIBUTOR, ERROR DETECTION PROCEDURE THEREFOR AND SETPOINT CORRECTION METHOD |
Applications Claiming Priority (2)
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PCT/JP2003/012543 WO2005034350A1 (ja) | 2003-09-30 | 2003-09-30 | 可変電力分配器並びにその誤差検出方法及び設定値補正方法 |
JPPCT/JP03/12543 | 2003-09-30 |
Publications (1)
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WO2005034281A1 true WO2005034281A1 (ja) | 2005-04-14 |
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PCT/JP2003/012543 WO2005034350A1 (ja) | 2003-09-30 | 2003-09-30 | 可変電力分配器並びにその誤差検出方法及び設定値補正方法 |
PCT/JP2004/004270 WO2005034281A1 (ja) | 2003-09-30 | 2004-03-26 | 可変電力分配器並びにその誤差検出方法及び設定値補正方法 |
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PCT/JP2003/012543 WO2005034350A1 (ja) | 2003-09-30 | 2003-09-30 | 可変電力分配器並びにその誤差検出方法及び設定値補正方法 |
Country Status (4)
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US (1) | US7587652B2 (ja) |
EP (1) | EP1670092A4 (ja) |
JP (1) | JP4166787B2 (ja) |
WO (2) | WO2005034350A1 (ja) |
Cited By (1)
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JP2009081792A (ja) * | 2007-09-27 | 2009-04-16 | Nippon Telegr & Teleph Corp <Ntt> | 無線送信機及び無線送信方法 |
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US8843088B2 (en) | 2008-10-15 | 2014-09-23 | Apple Inc. | Minimum feedback radio architecture with digitally configurable adaptive linearization |
US8213880B2 (en) * | 2008-10-15 | 2012-07-03 | Rockstar Bidco, LP | Minimum feedback radio architecture with digitally configurable adaptive linearization |
JP5828069B2 (ja) | 2011-07-27 | 2015-12-02 | パナソニックIpマネジメント株式会社 | 電力分配回路 |
US9831549B2 (en) | 2014-08-15 | 2017-11-28 | Honeywell International Inc. | Systems and methods for high power microwave combining and switching |
WO2017141367A1 (ja) * | 2016-02-17 | 2017-08-24 | 三菱電機株式会社 | ポリフェーズフィルタおよびフィルタ回路 |
WO2022073597A1 (en) * | 2020-10-07 | 2022-04-14 | Huawei Technologies Co., Ltd. | Antenna device with collaborative radiators for parameter control |
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Also Published As
Publication number | Publication date |
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EP1670092A4 (en) | 2007-05-16 |
JP4166787B2 (ja) | 2008-10-15 |
US20060234869A1 (en) | 2006-10-19 |
JPWO2005034281A1 (ja) | 2006-12-14 |
EP1670092A1 (en) | 2006-06-14 |
US7587652B2 (en) | 2009-09-08 |
WO2005034350A1 (ja) | 2005-04-14 |
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